138681662352

Names of 138681662352

• Cardinal: 138681662352 can be written as One hundred thirty-eight billion, six hundred eighty-one million, six hundred sixty-two thousand, three hundred fifty-two.

Scientific notation

• Scientific notation: 1.38681662352 × 10¹¹

Factors of 138681662352

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 24666

Divisors of 138681662352

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 29 48 58 87 116 174 232 348 464 696 1392 5101 10202 15303 19531 20404 30606 39062 40808 58593 61212 78124 81616 117186 122424 147929 156248 234372 244848 295858 312496 443787 468744 566399 591716 887574 937488 1132798 1183432 1699197 1775148 2265596 2366864 3398394 3550296 4531192 6796788 7100592 9062384 13593576 27187152 99627631 199255262 298882893 398510524 597765786 797021048 1195531572 1594042096 2391063144 2889201299 4782126288 5778402598 8667603897 11556805196 17335207794 23113610392 34670415588 46227220784 69340831176 138681662352
• Sum of all divisors σ(n): 370706422080
• Sum of proper divisors (its aliquot sum) s(n): 232024759728
• 138681662352 is an abundant number, because the sum of its proper divisors (232024759728) is greater than itself. Its abundance is 93343097376

Bases of 138681662352

• Binary: 10000001001010000100100011101110010000₂
• Hexadecimal: 0x204A123B90
• Base-36: 1RPJHBIO

Squares and roots of 138681662352

• 138681662352 squared (138681662352²) is 19232603472714134171904
• 138681662352 cubed (138681662352³) is 2667209420952844200246015652958208
• The square root of 138681662352 is 372399.8688936395
• The cube root of 138681662352 is 5176.1439571071

Scales and comparisons

• 138,681,662,352 seconds is equal to 4,409 years, 33 weeks, 4 days, 19 hours, 59 minutes, 12 seconds.
• To count from 1 to 138,681,662,352 would take you about eight thousand, eight hundred nineteen 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 138681662352 cubic inches would be around 431.3 feet tall.

Recreational maths with 138681662352

• 138681662352 backwards is 253266186831
• The number of decimal digits it has is: 12
• The sum of 138681662352's digits is 51
• More coming soon!