138907023535

Names of 138907023535

• Cardinal: 138907023535 can be written as One hundred thirty-eight billion, nine hundred seven million, twenty-three thousand, five hundred thirty-five.

Scientific notation

• Scientific notation: 1.38907023535 × 10¹¹

Factors of 138907023535

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3171

Divisors of 138907023535

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 7 35 49 113 245 257 343 565 791 1285 1715 1799 2789 3955 5537 8995 12593 13945 19523 27685 29041 38759 62965 88151 97615 136661 145205 193795 203287 315157 440755 683305 716773 956627 1016435 1423009 1575785 2206099 3583865 4783135 5017411 7115045 9961063 11030495 15442693 25087055 35121877 49805315 77213465 80995349 108098851 175609385 245853139 404976745 540494255 566967443 1229265695 2834837215 3968772101 19843860505 27781404707 138907023535
• Sum of all divisors σ(n): 196942752000
• Sum of proper divisors (its aliquot sum) s(n): 58035728465
• 138907023535 is a deficient number, because the sum of its proper divisors (58035728465) is less than itself. Its deficiency is 80871295070

Bases of 138907023535

• Binary: 10000001010111100000001111100010101111₂
• Hexadecimal: 0x205780F8AF
• Base-36: 1RT9NLBJ

Squares and roots of 138907023535

• 138907023535 squared (138907023535²) is 19295161187353043896225
• 138907023535 cubed (138907023535³) is 2680233409163267812846814172655375
• The square root of 138907023535 is 372702.3256366937
• The cube root of 138907023535 is 5178.9462276947

Scales and comparisons

• 138,907,023,535 seconds is equal to 4,416 years, 42 weeks, 2 days, 4 hours, 18 minutes, 55 seconds.
• To count from 1 to 138,907,023,535 would take you about eight thousand, eight hundred thirty-three 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 138907023535 cubic inches would be around 431.6 feet tall.

Recreational maths with 138907023535

• 138907023535 backwards is 535320709831
• The number of decimal digits it has is: 12
• The sum of 138907023535's digits is 46
• More coming soon!