3997791847845

Names of 3997791847845

• Cardinal: 3997791847845 can be written as Three trillion, nine hundred ninety-seven billion, seven hundred ninety-one million, eight hundred forty-seven thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 3.997791847845 × 10¹²

Factors of 3997791847845

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 109

Divisors of 3997791847845

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 9 15 19 27 29 45 53 57 87 95 135 145 159 171 261 265 285 361 435 477 513 551 783 795 855 1007 1083 1305 1431 1537 1653 1805 2385 2565 2755 2809 3021 3249 3915 4611 4959 5035 5415 6859 7155 7685 8265 8427 9063 9747 10469 13833 14045 14877 15105 16245 19133 20577 23055 24795 25281 27189 29203 31407 34295 41499 42135 45315 48735 52345 53371 57399 61731 69165 74385 75843 81461 87609 94221 95665 102885 126405 135945 146015 148877 157035 160113 172197 185193 198911 207495 244383 262827 266855 282663 286995 308655 363527 379215 407305 438045 446631 471105 480339 516591 554857 596733 733149 744385 788481 800565 860985 925965 994555 1014049 1090581 1221915 1314135 1339893 1413315 1441017 1547759 1664571 1790199 1817635 2199447 2233155 2401695 2582955 2774285 2828663 2983665 3042147 3271743 3665745 3942405 4019679 4317433 4643277 4993713 5070245 5370597 5452905 6699465 7205085 7738795 8322855 8485989 8950995 9126441 9815229 10542283 10997235 12952299 13929831 14143315 14981139 15210735 16358715 19266931 20098395 21587165 23216385 24968565 25457967 26852985 27379323 29407421 31626849 38856897 41789493 42429945 45632205 49076145 52711415 53744597 57800793 64761495 69649155 74905695 76373901 82031227 88222263 94880547 96334655 116570691 127289835 136896615 147037105 158134245 161233791 173402379 194284485 208947465 246093681 264666789 268722985 284641641 289003965 381869505 410156135 441111315 474402735 483701373 520207137 558740999 582853455 738281043 794000367 806168955 867011895 1021147343 1230468405 1323333945 1423208205 1451104119 1558593313 1676222997 2214843129 2418506865 2601035685 2793704995 3063442029 3691405215 3970001835 4675779939 5028668991 5105736715 7255520595 7792966565 8381114985 9190326087 11074215645 14027339817 15086006973 15317210145 23378899695 25143344955 27570978261 29613272947 42082019451 45951630435 70136699085 75430034865 88839818841 137854891305 148066364735 210410097255 266519456523 444199094205 799558369569 1332597282615 3997791847845
• Sum of all divisors σ(n): 7909902720000
• Sum of proper divisors (its aliquot sum) s(n): 3912110872155
• 3997791847845 is a deficient number, because the sum of its proper divisors (3912110872155) is less than itself. Its deficiency is 85680975690

Bases of 3997791847845

• Binary: 111010001011001110111101101000010110100101₂
• Hexadecimal: 0x3A2CEF685A5
• Base-36: 1F0K61NZ9

Squares and roots of 3997791847845

• 3997791847845 squared (3997791847845²) is 15982339658695939631144025
• 3997791847845 cubed (3997791847845³) is 63894067197024467120989839416080876125
• The square root of 3997791847845 is 1999447.8857537147
• The cube root of 3997791847845 is 15871.0889628013

Scales and comparisons

• 3,997,791,847,845 seconds is equal to 127,117 years, 21 weeks, 3 days, 23 hours, 30 minutes, 45 seconds.
• To count from 1 to 3,997,791,847,845 would take you about three hundred seventeen thousand, seven hundred ninety-three 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 3997791847845 cubic inches would be around 1322.6 feet tall.

Recreational maths with 3997791847845

• 3997791847845 backwards is 5487481977993
• The number of decimal digits it has is: 13
• The sum of 3997791847845's digits is 81
• More coming soon!