138379694080

Names of 138379694080

• Cardinal: 138379694080 can be written as One hundred thirty-eight billion, three hundred seventy-nine million, six hundred ninety-four thousand and eighty.

Scientific notation

• Scientific notation: 1.3837969408 × 10¹¹

Factors of 138379694080

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 5629

Divisors of 138379694080

• Number of divisors d(n): 104
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 1741 2048 2560 3482 3881 4096 5120 6964 7762 8705 10240 13928 15524 17410 19405 20480 27856 31048 34820 38810 55712 62096 69640 77620 111424 124192 139280 155240 222848 248384 278560 310480 445696 496768 557120 620960 891392 993536 1114240 1241920 1782784 1987072 2228480 2483840 3565568 3974144 4456960 4967680 6756821 7131136 7948288 8913920 9935360 13513642 15896576 17827840 19870720 27027284 33784105 35655680 39741440 54054568 67568210 79482880 108109136 135136420 216218272 270272840 432436544 540545680 864873088 1081091360 1729746176 2162182720 3459492352 4324365440 6918984704 8648730880 13837969408 17297461760 27675938816 34594923520 69189847040 138379694080
• Sum of all divisors σ(n): 332347072824
• Sum of proper divisors (its aliquot sum) s(n): 193967378744
• 138379694080 is an abundant number, because the sum of its proper divisors (193967378744) is greater than itself. Its abundance is 55587684664

Bases of 138379694080

• Binary: 10000000111000000100101001000000000000₂
• Hexadecimal: 0x2038129000
• Base-36: 1RKJP3B4

Squares and roots of 138379694080

• 138379694080 squared (138379694080²) is 19148939733674387046400
• 138379694080 cubed (138379694080³) is 2649824422302218353812346765312000
• The square root of 138379694080 is 371994.2124280969
• The cube root of 138379694080 is 5172.3843466611

Scales and comparisons

• 138,379,694,080 seconds is equal to 4,400 years, 2 weeks, 2 days, 19 hours, 54 minutes, 40 seconds.
• To count from 1 to 138,379,694,080 would take you about eight thousand, eight hundred 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 138379694080 cubic inches would be around 431 feet tall.

Recreational maths with 138379694080

• 138379694080 backwards is 080496973831
• The number of decimal digits it has is: 12
• The sum of 138379694080's digits is 58
• More coming soon!