138204857760

Names of 138204857760

• Cardinal: 138204857760 can be written as One hundred thirty-eight billion, two hundred four million, eight hundred fifty-seven thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 1.3820485776 × 10¹¹

Factors of 138204857760

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 89038

Divisors of 138204857760

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 3361 6722 10083 13444 16805 20166 26888 33610 40332 50415 53776 67220 80664 85667 100830 107552 134440 161328 171334 201660 257001 268880 322656 342668 403320 428335 514002 537760 685336 806640 856670 1028004 1285005 1370672 1613280 1713340 2056008 2570010 2741344 3426680 4112016 5140020 6853360 8224032 10280040 13706720 20560080 41120160 287926787 575853574 863780361 1151707148 1439633935 1727560722 2303414296 2879267870 3455121444 4318901805 4606828592 5758535740 6910242888 8637803610 9213657184 11517071480 13820485776 17275607220 23034142960 27640971552 34551214440 46068285920 69102428880 138204857760
• Sum of all divisors σ(n): 435479913792
• Sum of proper divisors (its aliquot sum) s(n): 297275056032
• 138204857760 is an abundant number, because the sum of its proper divisors (297275056032) is greater than itself. Its abundance is 159070198272

Bases of 138204857760

• Binary: 10000000101101101001101100010110100000₂
• Hexadecimal: 0x202DA6C5A0
• Base-36: 1RHNLQQO

Squares and roots of 138204857760

• 138204857760 squared (138204857760²) is 19100582708461832217600
• 138204857760 cubed (138204857760³) is 2639793316356083070022393368576000
• The square root of 138204857760 is 371759.1394438071
• The cube root of 138204857760 is 5170.2050727579

Scales and comparisons

• 138,204,857,760 seconds is equal to 4,394 years, 25 weeks, 2 days, 6 hours, 16 minutes.
• To count from 1 to 138,204,857,760 would take you about eight thousand, seven hundred eighty-eight 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 138204857760 cubic inches would be around 430.9 feet tall.

Recreational maths with 138204857760

• 138204857760 backwards is 067758402831
• The number of decimal digits it has is: 12
• The sum of 138204857760's digits is 51
• More coming soon!