161428049640

Names of 161428049640

• Cardinal: 161428049640 can be written as One hundred sixty-one billion, four hundred twenty-eight million, forty-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.6142804964 × 10¹¹

Factors of 161428049640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 316

Divisors of 161428049640

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 18 20 22 24 26 30 31 33 36 39 40 44 45 52 55 60 62 65 66 72 78 88 90 93 99 104 110 117 120 124 130 132 143 155 156 165 169 180 186 195 198 220 234 248 251 260 264 279 286 310 312 330 338 341 360 372 390 396 403 429 440 465 468 495 502 507 520 558 572 585 620 660 676 682 715 744 753 780 792 806 845 858 930 936 961 990 1004 1014 1023 1116 1144 1170 1209 1240 1255 1287 1320 1352 1364 1395 1430 1506 1521 1560 1612 1690 1705 1716 1859 1860 1922 1980 2008 2015 2028 2046 2145 2232 2259 2340 2418 2510 2535 2574 2728 2761 2790 2860 2883 3012 3042 3069 3224 3263 3380 3410 3432 3627 3718 3720 3765 3844 3960 4030 4056 4092 4290 4433 4518 4680 4805 4836 5020 5070 5115 5148 5239 5522 5577 5580 5720 5766 6024 6045 6084 6138 6435 6526 6760 6820 7254 7436 7530 7605 7688 7781 8060 8184 8283 8580 8649 8866 9036 9295 9610 9672 9789 10040 10140 10230 10296 10478 10571 11044 11154 11160 11295 11532 12090 12168 12276 12493 12870 13052 13299 13640 13805 14415 14508 14872 15060 15210 15345 15562 15717 16120 16315 16566 16731 17160 17298 17732 18072 18135 18590 19220 19578 20280 20460 20956 21142 22088 22165 22308 22590 23064 23343 24180 24552 24849 24986 25740 26104 26195 26598 27610 27885 28830 29016 29367 30120 30420 30690 31124 31434 31713 32630 33132 33462 34596 35464 35893 36270 37180 37479 38440 38905 39156 39897 40920 41415 41912 42284 42419 43245 44330 44616 45180 46686 47151 48360 48945 49698 49972 51480 52390 52855 53196 55220 55770 57629 57660 58734 60840 61380 62248 62465 62868 63426 65260 66264 66495 66924 69192 70029 71786 72540 74360 74958 77810 78312 78585 79794 82830 83655 84568 84838 85591 86490 88660 90360 93372 94302 95139 97890 99396 99944 101153 104780 105710 106392 107679 110440 111540 112437 115258 115320 116715 117468 122760 124245 124930 125736 126852 127257 130520 132990 133848 137423 140058 143572 145080 146835 149916 155620 157170 158565 159588 162409 165660 167310 169676 171182 172887 172980 177320 179465 186744 187395 188604 190278 195780 198792 199485 202306 209560 211420 212095 215358 223080 224874 230516 233430 234936 235755 241211 248490 249860 253704 254514 256773 265980 274846 280116 287144 288145 293670 299832 303459 311240 314340 317130 319176 323037 324818 331320 334620 339352 342364 345774 345960 350145 358930 374790 377208 380556 381771 391560 398970 404612 412269 422840 424190 427955 430716 449748 461032 466609 466860 471510 475695 482422 487227 496980 499720 505765 509028 513546 518661 531960 538395 549692 560232 562185 576290 587340 606918 628680 634260 636285 646074 649636 669240 684728 687115 691548 700290 717860 723633 749580 761112 763542 770319 797940 809224 812045 824538 848380 855910 861432 864435 899496 910377 933218 933720 943020 951390 964844 974454 993960 1011530 1018056 1027092 1037322 1076790 1099384 1112683 1124370 1152580 1174680 1206055 1213836 1236807 1268520 1272570 1283865 1292148 1299272 1314989 1374230 1383096 1399827 1400580 1435720 1447266 1461681 1499160 1517295 1527084 1540638 1595880 1615185 1624090 1649076 1696760 1711820 1728870 1786499 1820754 1866436 1886040 1902780 1908855 1929688 1948908 2023060 2054184 2061345 2074644 2153580 2170899 2225366 2248740 2305160 2333045 2412110 2427672 2436135 2473614 2545140 2567730 2584296 2593305 2629978 2653321 2748460 2799654 2801160 2894532 2923362 3034590 3054168 3081276 3135743 3230370 3248180 3298152 3338049 3423640 3457740 3572998 3618165 3641508 3732872 3805560 3817710 3851595 3897816 3944967 4046120 4122690 4149288 4199481 4307160 4341798 4450732 4497480 4551885 4666090 4824220 4872270 4947228 5090280 5135460 5186610 5259956 5306642 5359497 5496920 5563415 5599308 5789064 5846724 6069180 6162552 6184035 6271486 6460740 6496360 6574945 6676098 6915480 6999135 7145996 7236330 7283016 7308405 7635420 7703190 7889934 7959963 8245380 8398962 8683596 8901464 8932495 9103770 9332180 9407229 9648440 9744540 9894456 10014147 10270920 10373220 10519912 10613284 10718994 10854495 11126830 11198616 11693448 11834901 12138360 12368070 12542972 12921480 13149890 13266605 13352196 13998270 14291992 14464879 14472660 14616810 15270840 15406380 15678715 15779868 15919926 16078491 16490760 16690245 16797924 17367192 17864990 18207540 18664360 18814458 19489080 19724835 20028294 20746440 20997405 21226568 21437988 21708990 22253660 23669802 23879889 24736140 25085944 26299780 26533210 26704392 26797485 27996540 28221687 28929758 28945320 29233620 30812760 31357430 31559736 31839852 32156982 33380490 33595848 34493173 35729980 36415080 37628916 39449670 39799815 40056588 40764659 41994810 42875976 43394637 43417980 44507320 47036145 47339604 47759778 49472280 50070735 52599560 53066420 53594970 55993080 56443374 57859516 58467240 59174505 62714860 63679704 64313964 66760980 68986346 71459960 72324395 75257832 78899340 79599630 80113176 80392455 81529318 83989620 86789274 86835960 94072290 94679208 95519556 100141470 103479519 106132840 107189940 112886748 115719032 118349010 119399445 122293977 125429720 128627928 130183911 133521960 137972692 141108435 144648790 157798680 159199260 160784910 163058636 167979240 172465865 173578548 188144580 191039112 200282940 203823295 206959038 214379880 216973185 225773496 236698020 238798890 244587954 260367822 275945384 282216870 289297580 310438557 318398520 321569820 326117272 344931730 347157096 366881931 376289160 400565880 407646590 413918076 433946370 448411249 473396040 477597780 489175908 517397595 520735644 564433740 578595160 611469885 620877114 643139640 650919555 689863460 733763862 815293180 827836152 867892740 896822498 955195560 978351816 1034795190 1041471288 1128867480 1222939770 1241754228 1301839110 1345233747 1379726920 1467527724 1552192785 1630586360 1735785480 1793644996 1834409655 2069590380 2242056245 2445879540 2483508456 2603678220 2690467494 2935055448 3104385570 3587289992 3668819310 4035701241 4139180760 4484112490 4891759080 5207356440 5380934988 6208771140 6726168735 7337638620 8071402482 8968224980 10761869976 12417542280 13452337470 14675277240 16142804964 17936449960 20178506205 26904674940 32285609928 40357012410 53809349880 80714024820 161428049640
• Sum of all divisors σ(n): 642936359520
• Sum of proper divisors (its aliquot sum) s(n): 481508309880
• 161428049640 is an abundant number, because the sum of its proper divisors (481508309880) is greater than itself. Its abundance is 320080260240

Bases of 161428049640

• Binary: 10010110010101110111001000111011101000₂
• Hexadecimal: 0x2595DC8EE8
• Base-36: 225Q3CA0

Squares and roots of 161428049640

• 161428049640 squared (161428049640²) is 26059015210574304129600
• 161428049640 cubed (161428049640³) is 4206656000982103819941525793344000
• The square root of 161428049640 is 401781.0966683227
• The cube root of 161428049640 is 5444.9387643725

Scales and comparisons

• 161,428,049,640 seconds is equal to 5,132 years, 47 weeks, 3 days, 4 hours, 54 minutes.
• To count from 1 to 161,428,049,640 would take you about ten thousand, two hundred sixty-five 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 161428049640 cubic inches would be around 453.7 feet tall.

Recreational maths with 161428049640

• 161428049640 backwards is 046940824161
• 161428049640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 161428049640's digits is 45
• More coming soon!