668748936240

Names of 668748936240

• Cardinal: 668748936240 can be written as Six hundred sixty-eight billion, seven hundred forty-eight million, nine hundred thirty-six thousand, two hundred forty.

Scientific notation

• Scientific notation: 6.6874893624 × 10¹¹

Factors of 668748936240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 13958

Divisors of 668748936240

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 17 18 20 21 22 24 27 28 30 33 34 35 36 40 42 44 45 48 51 54 55 56 60 63 66 68 70 72 77 80 84 85 88 90 99 102 105 108 110 112 119 120 126 132 135 136 140 144 153 154 165 168 170 176 180 187 189 198 204 210 216 220 231 238 240 252 255 264 270 272 280 289 297 306 308 315 330 336 340 357 360 374 378 385 396 408 420 432 440 459 462 476 495 504 510 528 540 560 561 578 594 595 612 616 630 660 680 693 714 720 748 756 765 770 792 816 840 867 880 918 924 935 945 952 990 1008 1020 1071 1080 1122 1155 1156 1188 1190 1224 1232 1260 1309 1320 1360 1386 1428 1445 1485 1496 1512 1530 1540 1584 1680 1683 1734 1785 1836 1848 1870 1890 1904 1980 2023 2040 2079 2142 2160 2244 2295 2310 2312 2376 2380 2448 2520 2601 2618 2640 2772 2805 2856 2890 2970 2992 3024 3060 3080 3179 3213 3366 3465 3468 3570 3672 3696 3740 3780 3927 3960 4046 4080 4158 4284 4335 4488 4590 4620 4624 4752 4760 5040 5049 5202 5236 5355 5544 5610 5712 5780 5940 6069 6120 6160 6358 6426 6545 6732 6930 6936 7140 7344 7480 7560 7803 7854 7920 8092 8316 8415 8568 8670 8976 9180 9240 9520 9537 10098 10115 10395 10404 10472 10710 11088 11220 11560 11781 11880 12138 12240 12716 12852 13005 13090 13464 13860 13872 13913 14280 14960 15120 15606 15708 15895 16065 16184 16632 16830 17136 17340 18207 18360 18480 19074 19635 20196 20230 20790 20808 20944 21420 22253 22440 23120 23562 23760 24276 25245 25432 25704 26010 26180 26928 27720 27826 28560 28611 30345 31212 31416 31790 32130 32368 33264 33660 34680 35343 36414 36720 38148 39015 39270 40392 40460 41580 41616 41739 42840 44506 44880 47124 47685 48552 50490 50864 51408 52020 52360 54621 55440 55652 57222 58905 60690 62424 62832 63580 64260 66759 67320 69360 69565 70686 72828 76296 78030 78540 80784 80920 83160 83478 85680 85833 89012 91035 94248 95370 97104 97391 100980 104040 104720 109242 111265 111304 114444 117810 121380 124848 125217 127160 128520 133518 134640 139130 141372 143055 145656 152592 153043 156060 157080 161840 166320 166956 171666 176715 178024 182070 188496 190740 194782 200277 201960 208080 208695 218484 222530 222608 228888 235620 236521 242760 250434 254320 257040 267036 273105 278260 282744 286110 291312 292173 306086 312120 314160 333795 333912 343332 353430 356048 364140 375651 381480 389564 400554 403920 417390 429165 436968 445060 457776 459129 471240 473042 485520 486955 500868 534072 546210 556520 565488 572220 584346 600831 612172 624240 626085 667590 667824 686664 706860 709563 728280 751302 762960 765215 779128 801108 834780 858330 873936 876519 890120 918258 942480 946084 973910 1001385 1001736 1068144 1071301 1092420 1113040 1144440 1168692 1182605 1201662 1224344 1252170 1335180 1373328 1377387 1413720 1419126 1456560 1460865 1502604 1530430 1558256 1602216 1655647 1669560 1716660 1753038 1780240 1836516 1878255 1892168 1947820 2002770 2003472 2128689 2142602 2184840 2288880 2295645 2337384 2365210 2403324 2448688 2504340 2601731 2629557 2670360 2754774 2827440 2838252 2921730 3004155 3005208 3060860 3204432 3213903 3311294 3339120 3433320 3506076 3547815 3673032 3756510 3784336 3895640 4005540 4020857 4132161 4257378 4285204 4369680 4382595 4591290 4674768 4730420 4806648 4966941 5008680 5203462 5259114 5340720 5356505 5509548 5676504 5843460 6008310 6010416 6121720 6386067 6427806 6622588 6866640 6886935 7012152 7095630 7346064 7513020 7791280 7805193 8011080 8041714 8264322 8278235 8514756 8570408 8765190 9182580 9460840 9613296 9641709 9933882 10017360 10406924 10518228 10643445 10713010 11019096 11353008 11686920 12016620 12062571 12243440 12772134 12855612 13008655 13147785 13245176 13773870 14024304 14191260 14900823 15026040 15610386 16022160 16069515 16083428 16528644 16556470 17029512 17140816 17530380 18212117 18365160 18921680 19283418 19867764 20104285 20660805 20813848 21036456 21286890 21426020 22038192 23373840 23415579 24033240 24125142 24834705 25544268 25711224 26017310 26295570 26490352 27547740 28145999 28382520 28925127 29801646 30052080 31220772 31930335 32139030 32166856 33057288 33112940 34059024 35060760 36187713 36424234 36730320 38566836 39025965 39735528 40208570 41321610 41627696 42072912 42573780 42852040 44229427 44702469 46831158 48066480 48208545 48250284 49669410 51088536 51422448 52034620 52591140 54636351 55095480 56291998 56765040 57850254 59603292 60312855 62441544 63860670 64278060 64333712 66114576 66225880 70121520 70246737 72375426 72848468 74504115 77133672 78051930 79471056 80417140 82643220 84437997 85147560 85704080 88458854 89404938 91060585 93662316 96417090 96500568 99338820 102177072 104069240 105182280 108563139 109272702 110190960 112583996 115700508 117077895 119206584 120625710 124883088 127721340 128556120 132451760 132688281 140493474 140729995 144625635 144750852 145696936 149008230 154267344 156103860 160834280 163909053 165286440 168875994 170295120 176917708 178809876 180938565 182121170 187324632 192834180 193001136 198677640 208138480 210364560 217126278 218545404 221147135 223512345 225167992 231401016 234155790 238413168 241251420 253313991 255442680 257112240 265376562 273181755 280986948 281459990 289251270 289501704 291393872 298016460 309605989 312207720 321668560 327818106 330572880 337751988 351233685 353835416 357619752 361877130 364242340 374649264 385668360 397355280 398064843 422189985 434252556 437090808 442294270 447024690 450335984 462802032 468311580 482502840 491727159 506627982 510885360 530753124 542815695 546363510 561973896 562919980 578502540 579003408 596032920 619211978 624415440 655636212 663441405 675503976 702467370 707670832 715239504 723754260 728484680 759941973 771336720 796129686 819545265 844379970 868505112 874181616 884588540 894049380 928817967 936623160 965005680 983454318 1013255964 1061506248 1085631390 1092727020 1123947792 1125839960 1157005080 1192065840 1194194529 1238423956 1266569955 1311272424 1326882810 1351007952 1404934740 1447508520 1456969360 1519883946 1548029945 1592259372 1639090530 1688759940 1737010224 1769177080 1788098760 1857635934 1873246320 1966908636 1990324215 2026511928 2123012496 2171262780 2185454040 2251679920 2314010160 2388389058 2458635795 2476847912 2533139910 2622544848 2653765620 2786453901 2809869480 2895017040 3039767892 3096059890 3184518744 3278181060 3377519880 3538354160 3576197520 3715271868 3799709865 3933817272 3980648430 4053023856 4342525560 4370908080 4644089835 4776778116 4917271590 4953695824 5066279820 5307531240 5572907802 5619738960 5970972645 6079535784 6192119780 6369037488 6556362120 6755039760 7430543736 7599419730 7867634544 7961296860 8359361703 8685051120 9288179670 9553556232 9834543180 10132559640 10615062480 11145815604 11941945290 12159071568 12384239560 13112724240 13932269505 14861087472 15198839460 15922593720 16718723406 18576359340 19107112464 19669086360 20265119280 22291631208 23883890580 24768479120 27864539010 30397678920 31845187440 33437446812 37152718680 39338172720 41796808515 44583262416 47767781160 55729078020 60795357840 66874893624 74305437360 83593617030 95535562320 111458156040 133749787248 167187234060 222916312080 334374468120 668748936240
• Sum of all divisors σ(n): 3050946155520
• Sum of proper divisors (its aliquot sum) s(n): 2382197219280
• 668748936240 is an abundant number, because the sum of its proper divisors (2382197219280) is greater than itself. Its abundance is 1713448283040

Bases of 668748936240

• Binary: 1001101110110100100010101111010000110000₂
• Hexadecimal: 0x9BB48AF430
• Base-36: 8J7VULO0

Squares and roots of 668748936240

• 668748936240 squared (668748936240²) is 447225139722131585337600
• 668748936240 cubed (668748936240³) is 299081336448960866879824781274624000
• The square root of 668748936240 is 817770.7112877057
• The cube root of 668748936240 is 8744.8903445909

Scales and comparisons

• 668,748,936,240 seconds is equal to 21,264 years, 7 weeks, 4 days, 17 hours, 24 minutes.
• To count from 1 to 668,748,936,240 would take you about forty-two thousand, five hundred twenty-eight 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 668748936240 cubic inches would be around 728.7 feet tall.

Recreational maths with 668748936240

• 668748936240 backwards is 042639847866
• 668748936240 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668748936240's digits is 63
• More coming soon!