138990865167

Names of 138990865167

• Cardinal: 138990865167 can be written as One hundred thirty-eight billion, nine hundred ninety million, eight hundred sixty-five thousand, one hundred sixty-seven.

Scientific notation

• Scientific notation: 1.38990865167 × 10¹¹

Factors of 138990865167

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 40

Divisors of 138990865167

• Number of divisors d(n): 168
• Complete list of divisors:
  1 3 7 9 11 19 21 27 33 57 63 77 81 99 133 171 189 209 231 243 297 361 399 513 567 627 693 729 891 1083 1197 1463 1539 1701 1881 2079 2527 2673 3249 3591 3971 4389 4617 5103 5643 6237 6859 7581 8019 9747 10773 11913 13167 13851 16929 18711 20577 22743 27797 29241 32319 35739 39501 48013 50787 56133 61731 68229 75449 83391 87723 96957 107217 118503 130321 144039 152361 185193 204687 226347 250173 263169 321651 355509 390963 432117 528143 555579 614061 679041 750519 912247 964953 1066527 1172889 1296351 1433531 1584429 1666737 1842183 2037123 2251557 2476099 2736741 2894859 3518667 3889053 4300593 4753287 5000211 6111369 6754671 7428297 8210223 10034717 10556001 11667159 12901779 14259861 17332693 18334107 20264013 22284891 24630669 27237089 30104151 31668003 35001477 38705337 42779583 51998079 55002321 66854673 73892007 81711267 90312453 95004009 116116011 128338749 155994237 190659623 200564019 221676021 245133801 270937359 348348033 385016247 467982711 571978869 601692057 665028063 735401403 812812077 1045044099 1403948133 1715936607 1805076171 2206204209 2438436231 4211844399 5147809821 6618612627 7315308693 12635533197 15443429463 19855837881 46330288389 138990865167
• Sum of all divisors σ(n): 274246116480
• Sum of proper divisors (its aliquot sum) s(n): 135255251313
• 138990865167 is a deficient number, because the sum of its proper divisors (135255251313) is less than itself. Its deficiency is 3735613854

Bases of 138990865167

• Binary: 10000001011100100000000100101100001111₂
• Hexadecimal: 0x205C804B0F
• Base-36: 1RUNKLXR

Squares and roots of 138990865167

• 138990865167 squared (138990865167²) is 19318460599871173937889
• 138990865167 cubed (138990865167³) is 2685089552470696274371134431612463
• The square root of 138990865167 is 372814.7866796595
• The cube root of 138990865167 is 5179.9879892065

Scales and comparisons

• 138,990,865,167 seconds is equal to 4,419 years, 24 weeks, 6 days, 13 hours, 39 minutes, 27 seconds.
• To count from 1 to 138,990,865,167 would take you about eight thousand, eight hundred thirty-eight 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 138990865167 cubic inches would be around 431.7 feet tall.

Recreational maths with 138990865167

• 138990865167 backwards is 761568099831
• 138990865167 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138990865167's digits is 63
• More coming soon!