138972655528

Names of 138972655528

• Cardinal: 138972655528 can be written as One hundred thirty-eight billion, nine hundred seventy-two million, six hundred fifty-five thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 1.38972655528 × 10¹¹

Factors of 138972655528

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1322

Divisors of 138972655528

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 28 31 53 56 62 106 124 212 217 248 371 424 434 742 868 1229 1484 1643 1736 2458 2968 3286 4916 6572 8603 9832 11501 13144 17206 23002 34412 38099 46004 65137 68824 76198 92008 130274 152396 260548 266693 304792 455959 521096 533386 911918 1066772 1510441 1823836 2019247 2133544 3020882 3647672 4038494 6041764 8076988 10573087 12083528 14134729 16153976 21146174 28269458 42292348 46823671 56538916 80053373 84584696 93647342 113077832 160106746 187294684 320213492 327765697 374589368 560373611 640426984 655531394 1120747222 1311062788 2241494444 2481654563 2622125576 4482988888 4963309126 9926618252 17371581941 19853236504 34743163882 69486327764 138972655528
• Sum of all divisors σ(n): 313460098560
• Sum of proper divisors (its aliquot sum) s(n): 174487443032
• 138972655528 is an abundant number, because the sum of its proper divisors (174487443032) is greater than itself. Its abundance is 35514787504

Bases of 138972655528

• Binary: 10000001011011011010100110111110101000₂
• Hexadecimal: 0x205B6A6FA8
• Base-36: 1RUCQBAG

Squares and roots of 138972655528

• 138972655528 squared (138972655528²) is 19313398984504148958784
• 138972655528 cubed (138972655528³) is 2684034344148320103135888701757952
• The square root of 138972655528 is 372790.3640492871
• The cube root of 138972655528 is 5179.7617637137

Scales and comparisons

• 138,972,655,528 seconds is equal to 4,418 years, 46 weeks, 5 days, 19 hours, 25 minutes, 28 seconds.
• To count from 1 to 138,972,655,528 would take you about eight thousand, eight hundred thirty-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 138972655528 cubic inches would be around 431.6 feet tall.

Recreational maths with 138972655528

• 138972655528 backwards is 825556279831
• The number of decimal digits it has is: 12
• The sum of 138972655528's digits is 61
• More coming soon!