139397560918

Names of 139397560918

• Cardinal: 139397560918 can be written as One hundred thirty-nine billion, three hundred ninety-seven million, five hundred sixty thousand, nine hundred eighteen.

Scientific notation

• Scientific notation: 1.39397560918 × 10¹¹

Factors of 139397560918

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 35240

Divisors of 139397560918

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 7 11 14 22 49 77 98 121 154 242 337 539 674 847 1078 1694 2359 3707 4718 5929 7414 11858 16513 25949 33026 34883 40777 51898 69766 81554 181643 244181 285439 363286 383713 488362 570878 767426 1709267 1998073 2685991 3418534 3996146 4220843 5371982 8441686 11755571 18801937 23511142 29545901 37603874 59091802 82288997 129311281 164577994 206821307 258622562 413642614 576022979 905178967 1152045958 1422424091 1810357934 2844848182 6336252769 9956968637 12672505538 19913937274 69698780459 139397560918
• Sum of all divisors σ(n): 268157982456
• Sum of proper divisors (its aliquot sum) s(n): 128760421538
• 139397560918 is a deficient number, because the sum of its proper divisors (128760421538) is less than itself. Its deficiency is 10637139380

Bases of 139397560918

• Binary: 10000001110100101111011111101001010110₂
• Hexadecimal: 0x2074BDFA56
• Base-36: 1S1DPIDY

Squares and roots of 139397560918

• 139397560918 squared (139397560918²) is 19431679989887521002724
• 139397560918 cubed (139397560918³) is 2708728795129427332945223233940632
• The square root of 139397560918 is 373359.8276703053
• The cube root of 139397560918 is 5185.0353896943

Scales and comparisons

• 139,397,560,918 seconds is equal to 4,432 years, 21 weeks, 2 days, 16 hours, 41 minutes, 58 seconds.
• To count from 1 to 139,397,560,918 would take you about eight thousand, eight hundred sixty-four 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 139397560918 cubic inches would be around 432.1 feet tall.

Recreational maths with 139397560918

• 139397560918 backwards is 819065793931
• The number of decimal digits it has is: 12
• The sum of 139397560918's digits is 61
• More coming soon!