399981165934

Names of 399981165934

• Cardinal: 399981165934 can be written as Three hundred ninety-nine billion, nine hundred eighty-one million, one hundred sixty-five thousand, nine hundred thirty-four.

Scientific notation

• Scientific notation: 3.99981165934 × 10¹¹

Factors of 399981165934

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 834

Divisors of 399981165934

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 7 14 37 61 74 122 167 229 259 331 334 427 458 518 662 854 1169 1603 2257 2317 2338 3206 4514 4634 6179 8473 10187 12247 12358 13969 15799 16946 20191 20374 24494 27938 31598 38243 40382 43253 55277 59311 71309 75799 76486 85729 86506 97783 110554 118622 141337 142618 151598 171458 195566 267701 282674 376919 386939 516853 530593 535402 747067 753838 773878 1033706 1061186 1414991 1494134 2045249 2332823 2638433 2804563 2829982 3371897 3617971 4090498 4623739 4665646 5229469 5276866 5609126 6743794 7235942 9247478 9904937 10458938 12658433 14316743 16329761 19631941 19809874 23603279 25316866 28633486 32366173 32659522 39263882 47206558 64732346 86314451 88609031 124760189 171078343 172628902 177218062 249520378 342156686 468362021 604201157 772164413 873321323 936724042 1197548401 1208402314 1544328826 1746642646 2395096802 3278534147 5405150891 6557068294 10810301782 28570083281 57140166562 199990582967 399981165934
• Sum of all divisors σ(n): 725373573120
• Sum of proper divisors (its aliquot sum) s(n): 325392407186
• 399981165934 is a deficient number, because the sum of its proper divisors (325392407186) is less than itself. Its deficiency is 74588758748

Bases of 399981165934

• Binary: 101110100100000101111000011110101101110₂
• Hexadecimal: 0x5D20BC3D6E
• Base-36: 53QYGIUM

Squares and roots of 399981165934

• 399981165934 squared (399981165934²) is 159984933101922042092356
• 399981165934 cubed (399981165934³) is 63990960073979769652474777789000504
• The square root of 399981165934 is 632440.6422218611
• The cube root of 399981165934 is 7367.9473533117

Scales and comparisons

• 399,981,165,934 seconds is equal to 12,718 years, 8 weeks, 3 days, 15 hours, 25 minutes, 34 seconds.
• To count from 1 to 399,981,165,934 would take you about twenty-five thousand, four hundred thirty-six 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 399981165934 cubic inches would be around 614 feet tall.

Recreational maths with 399981165934

• 399981165934 backwards is 439561189993
• The number of decimal digits it has is: 12
• The sum of 399981165934's digits is 67
• More coming soon!