138572197760

Names of 138572197760

• Cardinal: 138572197760 can be written as One hundred thirty-eight billion, five hundred seventy-two million, one hundred ninety-seven thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 1.3857219776 × 10¹¹

Factors of 138572197760

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 369451

Divisors of 138572197760

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 587 640 1174 2348 2935 4696 5870 9392 11740 18784 23480 37568 46960 75136 93920 187840 368857 375680 737714 1475428 1844285 2950856 3688570 5901712 7377140 11803424 14754280 23606848 29508560 47213696 59017120 118034240 216519059 236068480 433038118 866076236 1082595295 1732152472 2165190590 3464304944 4330381180 6928609888 8660762360 13857219776 17321524720 27714439552 34643049440 69286098880 138572197760
• Sum of all divisors σ(n): 331839411120
• Sum of proper divisors (its aliquot sum) s(n): 193267213360
• 138572197760 is an abundant number, because the sum of its proper divisors (193267213360) is greater than itself. Its abundance is 54695015600

Bases of 138572197760

• Binary: 10000001000011100010111110111110000000₂
• Hexadecimal: 0x20438BEF80
• Base-36: 1RNQB43K

Squares and roots of 138572197760

• 138572197760 squared (138572197760²) is 19202253992036549017600
• 138572197760 cubed (138572197760³) is 2660898537622238135614800920576000
• The square root of 138572197760 is 372252.8680346199
• The cube root of 138572197760 is 5174.7817158895

Scales and comparisons

• 138,572,197,760 seconds is equal to 4,406 years, 8 weeks, 4 days, 21 hours, 9 minutes, 20 seconds.
• To count from 1 to 138,572,197,760 would take you about eight thousand, eight hundred twelve 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 138572197760 cubic inches would be around 431.2 feet tall.

Recreational maths with 138572197760

• 138572197760 backwards is 067791275831
• The number of decimal digits it has is: 12
• The sum of 138572197760's digits is 56
• More coming soon!