9394902138

Names of 9394902138

• Cardinal: 9394902138 can be written as Nine billion, three hundred ninety-four million, nine hundred two thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 9.394902138 × 10⁹

Factors of 9394902138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 288

Divisors of 9394902138

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 23 37 46 69 74 111 138 222 223 446 669 851 1338 1369 1702 2553 2738 4107 5106 5129 8214 8251 10258 15387 16502 24753 30774 31487 49506 49729 62974 94461 99458 149187 188922 189773 298374 305287 379546 569319 610574 915861 1138638 1143767 1831722 1839973 2287534 3431301 3679946 5519919 6862602 7021601 11039838 14043202 21064803 42129606 42319379 68079001 84638758 126958137 136158002 204237003 253916274 408474006 1565817023 3131634046 4697451069 9394902138
• Sum of all divisors σ(n): 20241754848
• Sum of proper divisors (its aliquot sum) s(n): 10846852710
• 9394902138 is an abundant number, because the sum of its proper divisors (10846852710) is greater than itself. Its abundance is 1451950572

Bases of 9394902138

• Binary: 1000101111111110101101010001111010₂
• Hexadecimal: 0x22FFAD47A
• Base-36: 4BDHCVU

Squares and roots of 9394902138

• 9394902138 squared (9394902138²) is 88264186182596971044
• 9394902138 cubed (9394902138³) is 829233391475710341653599692072
• The square root of 9394902138 is 96927.3033670079
• The cube root of 9394902138 is 2110.0727076015

Scales and comparisons

• 9,394,902,138 seconds is equal to 298 years, 37 weeks, 6 days, 7 hours, 2 minutes, 18 seconds.
• To count from 1 to 9,394,902,138 would take you about five hundred ninety-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 9394902138 cubic inches would be around 175.8 feet tall.

Recreational maths with 9394902138

• 9394902138 backwards is 8312094939
• The number of decimal digits it has is: 10
• The sum of 9394902138's digits is 48
• More coming soon!