139557028840

Names of 139557028840

• Cardinal: 139557028840 can be written as One hundred thirty-nine billion, five hundred fifty-seven million, twenty-eight thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.3955702884 × 10¹¹

Factors of 139557028840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 256846

Divisors of 139557028840

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 31 40 62 124 155 248 310 439 620 878 1240 1756 2195 3512 4390 8780 13609 17560 27218 54436 68045 108872 136090 256369 272180 512738 544360 1025476 1281845 2050952 2563690 5127380 7947439 10254760 15894878 31789756 39737195 63579512 79474390 112545991 158948780 225091982 317897560 450183964 562729955 900367928 1125459910 2250919820 3488925721 4501839640 6977851442 13955702884 17444628605 27911405768 34889257210 69778514420 139557028840
• Sum of all divisors σ(n): 324872064000
• Sum of proper divisors (its aliquot sum) s(n): 185315035160
• 139557028840 is an abundant number, because the sum of its proper divisors (185315035160) is greater than itself. Its abundance is 45758006320

Bases of 139557028840

• Binary: 10000001111110001111110100001111101000₂
• Hexadecimal: 0x207E3F43E8
• Base-36: 1S40NGMG

Squares and roots of 139557028840

• 139557028840 squared (139557028840²) is 19476164298648591745600
• 139557028840 cubed (139557028840³) is 2718035622719079891266085143104000
• The square root of 139557028840 is 373573.3245830061
• The cube root of 139557028840 is 5187.0118272431

Scales and comparisons

• 139,557,028,840 seconds is equal to 4,437 years, 25 weeks, 9 hours, 20 minutes, 40 seconds.
• To count from 1 to 139,557,028,840 would take you about eight thousand, eight hundred seventy-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 139557028840 cubic inches would be around 432.3 feet tall.

Recreational maths with 139557028840

• 139557028840 backwards is 048820755931
• The number of decimal digits it has is: 12
• The sum of 139557028840's digits is 52
• More coming soon!