664720749420

Names of 664720749420

• Cardinal: 664720749420 can be written as Six hundred sixty-four billion, seven hundred twenty million, seven hundred forty-nine thousand, four hundred twenty.

Scientific notation

• Scientific notation: 6.6472074942 × 10¹¹

Factors of 664720749420

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 414

Divisors of 664720749420

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 31 35 37 39 42 49 52 59 60 62 65 70 74 78 84 91 93 98 105 111 118 124 130 140 147 148 155 156 177 182 185 186 195 196 210 217 222 236 245 257 259 260 273 294 295 310 354 364 370 372 390 403 413 420 434 444 455 465 481 490 514 518 546 555 588 590 620 637 651 708 735 740 767 771 777 780 806 826 868 885 910 930 962 980 1028 1036 1085 1092 1110 1147 1180 1209 1239 1274 1285 1295 1302 1365 1443 1470 1519 1534 1542 1554 1612 1652 1770 1799 1813 1820 1829 1860 1911 1924 2015 2065 2170 2183 2220 2294 2301 2405 2418 2478 2548 2570 2590 2604 2730 2821 2886 2891 2940 3038 3068 3084 3108 3185 3255 3341 3367 3441 3540 3598 3626 3658 3822 3835 3855 3885 4030 4130 4340 4366 4557 4588 4602 4810 4836 4956 5140 5180 5369 5397 5439 5460 5487 5642 5735 5772 5782 6045 6076 6195 6370 6510 6549 6682 6734 6882 7196 7215 7252 7316 7595 7644 7670 7710 7770 7967 8029 8060 8260 8463 8673 8732 8995 9065 9114 9145 9204 9509 9555 9620 10023 10101 10738 10794 10878 10915 10974 11284 11470 11505 11564 12090 12390 12593 12740 12803 13020 13098 13364 13468 13764 14105 14430 14455 14911 15163 15190 15281 15340 15420 15540 15934 16058 16107 16705 16835 16926 17205 17346 17990 18130 18228 18290 19018 19110 19747 20046 20202 21476 21588 21756 21830 21948 22785 22940 23010 23387 23569 23777 23901 24087 24180 24780 25186 25606 26196 26845 26985 27195 27435 28210 28379 28527 28860 28910 29822 30326 30380 30562 31868 32116 32214 32745 33410 33670 33852 34410 34692 35980 36260 36580 37583 37779 38036 38220 38409 39494 39835 40092 40145 40404 42315 43365 43660 44733 45489 45570 45843 46020 46774 47138 47545 47554 47802 48174 50115 50372 50505 51212 53690 53970 54390 54870 55769 56203 56420 56758 57054 57820 59241 59644 60652 61124 62965 64015 64428 65490 66563 66820 67340 67673 68820 70161 70707 71331 74555 75166 75558 75815 76405 76818 78988 79670 80290 80535 84630 85137 86730 89466 89621 90978 91140 91686 93548 94276 95090 95108 95604 96348 98735 100230 101010 103571 104377 106141 106967 107380 107940 108780 109740 111538 112406 112749 113516 114108 116935 117845 118482 118885 119505 120435 123617 125930 128030 130980 133126 135346 140322 141414 141895 142635 142662 149110 150332 151116 151630 152810 153636 159340 160580 161070 163709 166439 167307 168609 169260 170274 173460 178932 179242 181956 183372 187915 188895 190180 192045 197119 197470 198653 199689 200460 202020 203019 207142 208754 212282 213934 223076 223665 224812 225498 227445 229215 233870 235690 236964 237770 239010 240870 247234 251860 256060 266252 268863 270692 278845 280644 281015 282828 283790 285270 285324 294779 296205 298220 303260 305620 310713 313131 318423 320901 322140 327418 332815 332878 334614 337218 338365 340548 350805 353535 356655 358484 370851 375830 377790 384090 390383 394238 394940 397306 399378 406038 414284 417508 424564 425685 427868 447330 448105 450996 454890 458430 465941 467740 470053 471380 473711 475540 478020 481740 491127 494468 499317 517855 521885 530705 534835 537726 557690 561031 562030 563745 567580 570540 589558 591357 592410 595959 618085 621426 626262 636846 641802 654836 665630 665756 669228 674436 676730 701610 707070 713310 724997 730639 741702 742987 751660 755580 768180 780766 788476 794612 798756 812076 818545 832195 836535 843045 851370 865319 879749 884337 894660 896210 909780 916860 931882 940106 947422 982254 985595 993265 998445 998634 1015095 1035710 1043770 1061410 1069670 1075452 1115380 1122062 1124060 1127490 1165073 1171149 1179116 1182714 1184820 1191918 1236170 1242852 1252524 1273692 1283604 1331260 1344315 1353460 1379833 1390571 1397823 1403220 1410159 1414140 1421133 1426620 1449994 1461278 1473895 1483404 1485974 1553565 1561532 1565655 1592115 1604505 1637090 1664390 1673070 1683093 1686090 1702740 1730638 1759498 1768674 1792420 1854255 1863764 1880212 1894844 1951915 1964508 1971190 1986530 1996890 1997268 2030190 2063453 2071420 2087540 2122820 2139340 2174991 2191917 2228961 2244124 2254980 2329705 2330146 2342298 2350265 2365428 2368555 2383836 2455635 2472340 2496585 2595957 2639247 2688630 2759666 2781142 2795646 2805155 2820318 2842266 2899988 2922556 2947790 2956785 2971948 2979795 3107130 3131310 3184230 3209010 3274180 3290371 3315977 3328780 3346140 3366186 3372180 3461276 3495219 3518996 3537348 3624985 3653195 3708510 3714935 3832127 3903830 3927217 3942380 3973060 3993780 4060380 4126906 4139499 4171713 4326595 4349982 4383834 4398745 4421685 4457922 4659410 4660292 4684596 4700530 4737110 4911270 4993170 5074979 5191914 5278494 5377260 5519332 5562284 5591292 5610310 5640636 5684532 5825365 5855745 5895580 5913570 5959590 6057233 6110689 6158243 6190359 6214260 6262620 6368460 6418020 6580742 6631954 6732372 6899165 6952855 6989115 6990438 7050795 7105665 7249970 7293403 7306390 7417020 7429870 7664254 7807660 7854434 8253812 8278998 8343426 8415465 8653190 8699964 8767668 8797490 8843370 8915844 9318820 9401060 9474220 9658831 9822540 9871113 9947931 9986340 10149958 10317265 10383828 10556988 10874955 10959585 11144805 11220620 11496381 11650730 11711490 11781651 11827140 11919180 12114466 12221378 12316486 12380718 12979785 13161484 13196235 13263908 13798330 13905710 13978230 13980876 14101590 14211330 14444171 14499940 14586806 14612780 14859740 15224937 15328508 15708868 16451855 16557996 16579885 16686852 16830930 17306380 17391961 17476095 17594980 17686740 18171699 18332067 18474729 19160635 19317662 19636085 19742226 19895862 20299916 20634530 20697495 20858565 21749910 21880209 21919170 22289610 22992762 23032597 23301460 23422980 23563302 24228932 24442756 24632972 24761436 25374895 25959570 26392470 26824889 27490519 27596660 27811420 27956460 28203180 28422660 28888342 28976493 29173612 30286165 30449874 30553445 30791215 30951795 32903710 33159770 33661860 34783922 34952190 36343398 36467015 36664134 36949458 38321270 38635324 39272170 39484452 39791724 41269060 41394990 41717130 42774823 43107701 43332513 43499820 43760418 43838340 44579220 45985524 46065194 47126604 48294155 49355565 49739655 50749790 51053821 51919140 52175883 52784940 53649778 54981038 57481905 57776684 57952986 58908255 60572330 60899748 61106890 61582430 61903590 65807420 66319540 69097791 69567844 69904380 72220855 72686796 72934030 73328268 73898916 76124685 76642540 78544340 80474667 82471557 82789980 83434260 85549646 86215402 86665026 86959805 87520836 90858495 91660335 92130388 92373645 96588310 98711130 99479310 101499580 102107642 104351766 107299556 109401045 109962076 114963810 115162985 115905972 117816510 121144660 121743727 122213780 123164860 123807180 128324469 129323103 134124445 137452595 138195582 144441710 144882465 145868060 152249370 153161463 160949334 164943114 171099292 172430804 173330052 173919610 181716990 183320670 184747290 187774223 193176620 197422260 198958620 204215284 208703532 213874115 215538505 216662565 218802090 226095493 229927620 230325970 235633020 243487454 255269105 256648938 258646206 260879415 268248890 274905190 276391164 288883420 289764930 299423761 304498740 306322926 321898668 329886228 345488955 347839220 357376747 363433980 365231181 366641340 369494580 375548446 402373335 412357785 427748230 431077010 433325130 437604180 452190986 460651940 486974908 510538210 513297876 517292412 521758830 536497780 549810380 563322669 579529860 598847522 608718635 612645852 641622345 646615515 678286479 690977910 714753494 730462362 751096892 765807315 804746670 824715570 852206089 855496460 862154020 866650260 898271283 904381972 938871115 1021076420 1043517660 1072130241 1126645338 1130477465 1197695044 1217437270 1283244690 1293231030 1356572958 1381955820 1429506988 1460924724 1497118805 1531614630 1582668451 1609493340 1649431140 1704412178 1786883735 1796542566 1826155905 1877742230 2144260482 2253290676 2260954930 2434874540 2556618267 2566489380 2586462060 2713145916 2816613345 2994237610 3063229260 3165336902 3391432395 3408824356 3573767470 3593085132 3652311810 3755484460 4261030445 4288520964 4491356415 4521909860 4748005353 5113236534 5360651205 5633226690 5988475220 6330673804 6782864790 7147534940 7304623620 7913342255 8522060890 8982712830 9496010706 10226473068 10721302410 11078679157 11266453380 12783091335 13565729580 15826684510 17044121780 17965425660 18992021412 21442604820 22157358314 23740026765 25566182670 31653369020 33236037471 44314716628 47480053530 51132365340 55393395785 66472074942 94960107060 110786791570 132944149884 166180187355 221573583140 332360374710 664720749420
• Sum of all divisors σ(n): 2523577835520
• Sum of proper divisors (its aliquot sum) s(n): 1858857086100
• 664720749420 is an abundant number, because the sum of its proper divisors (1858857086100) is greater than itself. Its abundance is 1194136336680

Bases of 664720749420

• Binary: 1001101011000100011100011011001101101100₂
• Hexadecimal: 0x9AC471B36C
• Base-36: 8HD9KKTO

Squares and roots of 664720749420

• 664720749420 squared (664720749420²) is 441853674709486430336400
• 664720749420 cubed (664720749420³) is 293709305786870720756532430704888000
• The square root of 664720749420 is 815304.0840201893
• The cube root of 664720749420 is 8727.2967877271

Scales and comparisons

• 664,720,749,420 seconds is equal to 21,136 years, 3 weeks, 2 days, 4 hours, 37 minutes.
• To count from 1 to 664,720,749,420 would take you about forty-two thousand, two hundred seventy-two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 664720749420 cubic inches would be around 727.3 feet tall.

Recreational maths with 664720749420

• 664720749420 backwards is 024947027466
• The number of decimal digits it has is: 12
• The sum of 664720749420's digits is 51
• More coming soon!