138185927711

Names of 138185927711

• Cardinal: 138185927711 can be written as One hundred thirty-eight billion, one hundred eighty-five million, nine hundred twenty-seven thousand, seven hundred eleven.

Scientific notation

• Scientific notation: 1.38185927711 × 10¹¹

Factors of 138185927711

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 535

Divisors of 138185927711

• Number of divisors d(n): 72
• Complete list of divisors:
  1 13 17 37 67 221 289 401 481 629 871 1139 1369 2479 3757 5213 6817 8177 10693 14807 14837 17797 19363 23273 26867 32227 42143 88621 91723 115889 139009 192881 251719 252229 302549 349271 395641 456739 547859 548969 716431 994079 1192399 1506557 1559291 3278977 4287893 5143333 5937607 7136597 7764563 9313603 9332473 12923027 16899343 20270783 26507947 36780923 55742609 100939319 121322149 158652041 219691459 287288831 344603311 478151999 625275691 2062476533 3734754803 8128583983 10629686747 138185927711
• Sum of all divisors σ(n): 165308610096
• Sum of proper divisors (its aliquot sum) s(n): 27122682385
• 138185927711 is a deficient number, because the sum of its proper divisors (27122682385) is less than itself. Its deficiency is 111063245326

Bases of 138185927711

• Binary: 10000000101100100001011110110000011111₂
• Hexadecimal: 0x202C85EC1F
• Base-36: 1RHCC07Z

Squares and roots of 138185927711

• 138185927711 squared (138185927711²) is 19095350617349717699521
• 138185927711 cubed (138185927711³) is 2638708740025287312432266125326431
• The square root of 138185927711 is 371733.6784729089
• The cube root of 138185927711 is 5169.9690060335

Scales and comparisons

• 138,185,927,711 seconds is equal to 4,393 years, 46 weeks, 3 hours, 55 minutes, 11 seconds.
• To count from 1 to 138,185,927,711 would take you about eight thousand, seven hundred eighty-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 138185927711 cubic inches would be around 430.8 feet tall.

Recreational maths with 138185927711

• 138185927711 backwards is 117729581831
• The number of decimal digits it has is: 12
• The sum of 138185927711's digits is 53
• More coming soon!