31281953742

Names of 31281953742

• Cardinal: 31281953742 can be written as Thirty-one billion, two hundred eighty-one million, nine hundred fifty-three thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 3.1281953742 × 10¹⁰

Factors of 31281953742

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 164

Divisors of 31281953742

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 9 13 17 18 19 26 31 34 38 39 51 57 62 78 79 93 102 114 117 153 158 169 171 186 221 234 237 247 279 306 323 338 342 403 442 474 494 507 527 558 589 646 663 711 741 806 969 1014 1027 1054 1178 1209 1326 1343 1422 1482 1501 1521 1581 1767 1938 1989 2054 2197 2223 2418 2449 2686 2873 2907 3002 3042 3081 3162 3211 3534 3627 3978 4029 4199 4394 4446 4503 4743 4898 5239 5301 5746 5814 6162 6422 6591 6851 7254 7347 7657 8058 8398 8619 9006 9243 9486 9633 10013 10478 10602 12087 12597 13182 13351 13509 13702 14694 15314 15717 17238 17459 18486 19266 19513 19773 20026 20553 22041 22971 24174 25194 25517 25857 26702 27018 28899 30039 31434 31837 34918 37349 37791 39026 39546 40053 41106 41633 41743 44082 45942 46531 47151 51034 51714 52377 54587 57798 58539 60078 61659 63674 68107 68913 74698 75582 76551 80106 83266 83486 89063 90117 93062 94302 95511 99541 104754 109174 112047 117078 120159 123318 124899 125229 130169 136214 137826 139593 153102 157131 163761 173563 175617 178126 180234 191022 199082 204321 224094 226967 229653 240318 249798 250458 253669 260338 267189 279186 286533 298623 314262 327522 331721 336141 347126 351234 374697 375687 390507 408642 413881 418779 453934 459306 491283 507338 520689 534378 541229 573066 597246 604903 612963 663442 672282 680901 709631 749394 751374 761007 781014 791027 801567 827762 837558 895869 982566 995163 1041378 1082458 1157819 1171521 1209806 1225926 1241643 1294033 1361802 1419262 1522014 1562067 1582054 1603134 1623687 1692197 1791738 1814709 1990326 2042703 2128893 2283021 2315638 2343042 2373081 2483286 2588066 2950571 2985489 3124134 3247374 3297697 3384394 3473457 3629418 3724929 3882099 4085406 4257786 4312373 4566042 4746162 4871061 5076591 5380453 5444127 5901142 5970978 6386679 6595394 6946914 7035977 7119243 7449858 7764198 7863739 8624746 8851713 9742122 9893091 10153182 10283351 10420371 10760906 10888254 11646297 12773358 12937119 14071954 14238486 15229773 15727478 16141359 17703426 19786182 20566702 20840742 21107931 21998561 23292594 23591217 25874238 26555139 29679273 30459546 30850053 32282718 38811357 42215862 43997122 47182434 48424077 53110278 56060849 59358546 61700106 63323793 65995683 70773651 77622714 91467701 92550159 96848154 102228607 112121698 126647586 131991366 133683563 141547302 168182547 182935402 185100318 197987049 204457214 267367126 274403103 306685821 336365094 395974098 401050689 504547641 548806206 613371642 802101378 823209309 920057463 1009095282 1203152067 1646418618 1737886319 1840114926 2406304134 3475772638 5213658957 10427317914 15640976871 31281953742
• Sum of all divisors σ(n): 85542912000
• Sum of proper divisors (its aliquot sum) s(n): 54260958258
• 31281953742 is an abundant number, because the sum of its proper divisors (54260958258) is greater than itself. Its abundance is 22979004516

Bases of 31281953742

• Binary: 11101001000100011001011101111001110₂
• Hexadecimal: 0x7488CBBCE
• Base-36: EDCGTZI

Squares and roots of 31281953742

• 31281953742 squared (31281953742²) is 978560629916627802564
• 31281953742 cubed (31281953742³) is 30611288358794332236438156994488
• The square root of 31281953742 is 176867.0510355165
• The cube root of 31281953742 is 3150.8758374845

Scales and comparisons

• 31,281,953,742 seconds is equal to 994 years, 34 weeks, 5 days, 15 hours, 35 minutes, 42 seconds.
• To count from 1 to 31,281,953,742 would take you about one thousand, nine hundred eighty-nine 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 31281953742 cubic inches would be around 262.6 feet tall.

Recreational maths with 31281953742

• 31281953742 backwards is 24735918213
• The number of decimal digits it has is: 11
• The sum of 31281953742's digits is 45
• More coming soon!