40397953986

Names of 40397953986

• Cardinal: 40397953986 can be written as Forty billion, three hundred ninety-seven million, nine hundred fifty-three thousand, nine hundred eighty-six.

Scientific notation

• Scientific notation: 4.0397953986 × 10¹⁰

Factors of 40397953986

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1992

Divisors of 40397953986

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 9 13 18 23 26 27 31 39 43 46 54 62 69 78 86 93 117 129 138 186 207 234 258 279 299 351 387 403 414 558 559 598 621 702 713 774 806 837 897 989 1118 1161 1209 1242 1333 1426 1674 1677 1794 1877 1978 2139 2322 2418 2666 2691 2967 3354 3627 3754 3999 4278 5031 5382 5631 5934 6417 7254 7998 8073 8901 9269 10062 10881 11262 11997 12834 12857 15093 16146 16893 17329 17802 18538 19251 21762 23994 24401 25714 26703 27807 30186 30659 33786 34658 35991 38502 38571 43171 48802 50679 51987 53406 55614 58187 61318 71982 73203 77142 80711 83421 86342 91977 101358 103974 115713 116374 129513 146406 155961 161422 166842 174561 183954 219609 231426 242133 250263 259026 275931 311922 347139 349122 388539 398567 439218 467883 484266 500526 523683 551862 561223 658827 694278 726399 756431 777078 797134 827793 935766 1047366 1049243 1122446 1165617 1195701 1317654 1338301 1452798 1512862 1571049 1655586 1683669 1856353 2098486 2179197 2269293 2331234 2391402 2502041 2676602 3142098 3147729 3367338 3587103 3712706 4014903 4358394 4538586 5004082 5051007 5569059 6295458 6807879 7174206 7506123 8029806 9443187 10102014 10761309 11138118 12044709 13615758 15012246 15153021 16707177 17397913 18886374 20423637 21522618 22518369 24089418 24132589 28329561 30306042 32526533 33414354 34795826 36134127 40847274 45036738 48265178 50121531 52193739 56659122 57546943 65053066 67555107 72268254 72397767 97579599 100243062 104387478 115093886 135110214 144795534 156581217 172640829 195159198 217193301 292738797 313162434 345281658 434386602 469743651 517922487 585477594 651579903 748110259 878216391 939487302 1035844974 1303159806 1496220518 1553767461 1756432782 2244330777 3107534922 4488661554 6732992331 13465984662 20198976993 40397953986
• Sum of all divisors σ(n): 106615111680
• Sum of proper divisors (its aliquot sum) s(n): 66217157694
• 40397953986 is an abundant number, because the sum of its proper divisors (66217157694) is greater than itself. Its abundance is 25819203708

Bases of 40397953986

• Binary: 100101100111111001111101101111000010₂
• Hexadecimal: 0x967E7DBC2
• Base-36: IK3WCSI

Squares and roots of 40397953986

• 40397953986 squared (40397953986²) is 1631994686254973288196
• 40397953986 cubed (40397953986³) is 65929246240724917560201124949256
• The square root of 40397953986 is 200992.4227079221
• The cube root of 40397953986 is 3431.2560172131

Scales and comparisons

• 40,397,953,986 seconds is equal to 1,284 years, 27 weeks, 3 days, 21 hours, 53 minutes, 6 seconds.
• To count from 1 to 40,397,953,986 would take you about two thousand, five hundred sixty-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 40397953986 cubic inches would be around 285.9 feet tall.

Recreational maths with 40397953986

• 40397953986 backwards is 68935979304
• The number of decimal digits it has is: 11
• The sum of 40397953986's digits is 63
• More coming soon!