138929176815

Names of 138929176815

• Cardinal: 138929176815 can be written as One hundred thirty-eight billion, nine hundred twenty-nine million, one hundred seventy-six thousand, eight hundred fifteen.

Scientific notation

• Scientific notation: 1.38929176815 × 10¹¹

Factors of 138929176815

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 705

Divisors of 138929176815

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 5 11 13 15 33 39 55 65 121 143 165 169 195 363 429 507 605 673 715 845 1573 1815 1859 2019 2145 2535 3365 4719 5577 7403 7865 8749 9295 10095 20449 22209 23595 26247 27885 37015 43745 61347 81433 96239 102245 111045 113737 131235 244299 288717 306735 341211 407165 452929 481195 568685 1058629 1221495 1251107 1358787 1443585 1706055 2264645 3175887 3753321 4982219 5293145 5888077 6255535 6793935 13762177 14946657 15879435 17664231 18766605 24911095 29440385 41286531 54804409 64768847 68810885 74733285 76545001 88321155 164413227 194306541 206432655 229635003 274022045 323844235 382725005 712457317 822066135 841995011 971532705 1148175015 2137371951 2525985033 3562286585 4209975055 9261945121 10686859755 12629925165 27785835363 46309725605 138929176815
• Sum of all divisors σ(n): 264965842008
• Sum of proper divisors (its aliquot sum) s(n): 126036665193
• 138929176815 is a deficient number, because the sum of its proper divisors (126036665193) is less than itself. Its deficiency is 12892511622

Bases of 138929176815

• Binary: 10000001011000110100110000000011101111₂
• Hexadecimal: 0x2058D300EF
• Base-36: 1RTMUEWF

Squares and roots of 138929176815

• 138929176815 squared (138929176815²) is 19301316170493533544225
• 138929176815 cubed (138929176815³) is 2681515967012714807579768647143375
• The square root of 138929176815 is 372732.0442556557
• The cube root of 138929176815 is 5179.2215306621

Scales and comparisons

• 138,929,176,815 seconds is equal to 4,417 years, 26 weeks, 6 days, 14 hours, 15 seconds.
• To count from 1 to 138,929,176,815 would take you about eight thousand, eight hundred thirty-five 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 138929176815 cubic inches would be around 431.6 feet tall.

Recreational maths with 138929176815

• 138929176815 backwards is 518671929831
• The number of decimal digits it has is: 12
• The sum of 138929176815's digits is 60
• More coming soon!