139507219840

Names of 139507219840

• Cardinal: 139507219840 can be written as One hundred thirty-nine billion, five hundred seven million, two hundred nineteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.3950721984 × 10¹¹

Factors of 139507219840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4637927

Divisors of 139507219840

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 47 64 80 94 128 160 188 235 320 376 470 640 752 940 1504 1880 3008 3760 6016 7520 15040 30080 4637873 9275746 18551492 23189365 37102984 46378730 74205968 92757460 148411936 185514920 217980031 296823872 371029840 435960062 593647744 742059680 871920124 1089900155 1484119360 1743840248 2179800310 2968238720 3487680496 4359600620 6975360992 8719201240 13950721984 17438402480 27901443968 34876804960 69753609920 139507219840
• Sum of all divisors σ(n): 340605466560
• Sum of proper divisors (its aliquot sum) s(n): 201098246720
• 139507219840 is an abundant number, because the sum of its proper divisors (201098246720) is greater than itself. Its abundance is 61591026880

Bases of 139507219840

• Binary: 10000001111011010001110011110110000000₂
• Hexadecimal: 0x207B473D80
• Base-36: 1S36ZVR4

Squares and roots of 139507219840

• 139507219840 squared (139507219840²) is 19462264387486089625600
• 139507219840 cubed (139507219840³) is 2715126396489224850340522491904000
• The square root of 139507219840 is 373506.6530063421
• The cube root of 139507219840 is 5186.3946587227

Scales and comparisons

• 139,507,219,840 seconds is equal to 4,435 years, 46 weeks, 4 days, 21 hours, 30 minutes, 40 seconds.
• To count from 1 to 139,507,219,840 would take you about eight thousand, eight hundred seventy-one 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 139507219840 cubic inches would be around 432.2 feet tall.

Recreational maths with 139507219840

• 139507219840 backwards is 048912705931
• The number of decimal digits it has is: 12
• The sum of 139507219840's digits is 49
• More coming soon!