138961976976

Names of 138961976976

• Cardinal: 138961976976 can be written as One hundred thirty-eight billion, nine hundred sixty-one million, nine hundred seventy-six thousand, nine hundred seventy-six.

Scientific notation

• Scientific notation: 1.38961976976 × 10¹¹

Factors of 138961976976

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6844121

Divisors of 138961976976

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 47 48 54 72 94 108 141 144 188 216 282 376 423 432 564 752 846 1128 1269 1692 2256 2538 3384 5076 6768 10152 20304 6844069 13688138 20532207 27376276 41064414 54752552 61596621 82128828 109505104 123193242 164257656 184789863 246386484 321671243 328515312 369579726 492772968 643342486 739159452 965013729 985545936 1286684972 1478318904 1930027458 2573369944 2895041187 2956637808 3860054916 5146739888 5790082374 7720109832 8685123561 11580164748 15440219664 17370247122 23160329496 34740494244 46320658992 69480988488 138961976976
• Sum of all divisors σ(n): 407359046400
• Sum of proper divisors (its aliquot sum) s(n): 268397069424
• 138961976976 is an abundant number, because the sum of its proper divisors (268397069424) is greater than itself. Its abundance is 129435092448

Bases of 138961976976

• Binary: 10000001011010110001110111111010010000₂
• Hexadecimal: 0x205AC77E90
• Base-36: 1RU6DFO0

Squares and roots of 138961976976

• 138961976976 squared (138961976976²) is 19310431045078354104576
• 138961976976 cubed (138961976976³) is 2683415674282813861196065208242176
• The square root of 138961976976 is 372776.0413116703
• The cube root of 138961976976 is 5179.6290906785

Scales and comparisons

• 138,961,976,976 seconds is equal to 4,418 years, 29 weeks, 1 day, 5 hours, 9 minutes, 36 seconds.
• To count from 1 to 138,961,976,976 would take you about eight thousand, eight hundred thirty-seven 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 138961976976 cubic inches would be around 431.6 feet tall.

Recreational maths with 138961976976

• 138961976976 backwards is 679679169831
• 138961976976 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138961976976's digits is 72
• More coming soon!