138974372800

Names of 138974372800

• Cardinal: 138974372800 can be written as One hundred thirty-eight billion, nine hundred seventy-four million, three hundred seventy-two thousand, eight hundred.

Scientific notation

• Scientific notation: 1.389743728 × 10¹¹

Factors of 138974372800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 961

Divisors of 138974372800

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 127 160 200 254 320 400 508 635 800 827 1016 1270 1600 1654 2032 2540 3175 3308 4064 4135 5080 6350 6616 8128 8270 10160 12700 13232 16540 20320 20675 25400 26464 33080 40640 41350 50800 52928 66160 82700 101600 105029 132320 165400 203200 210058 264640 330800 420116 525145 661600 683929 840232 1050290 1323200 1367858 1680464 2100580 2625725 2735716 3360928 3419645 4201160 5251450 5471432 6721856 6839290 8402320 10502900 10942864 13678580 16804640 17098225 21005800 21885728 27357160 33609280 34196450 42011600 43771456 54714320 68392900 84023200 86858983 109428640 136785800 168046400 173717966 218857280 273571600 347435932 434294915 547143200 694871864 868589830 1094286400 1389743728 1737179660 2171474575 2779487456 3474359320 4342949150 5558974912 6948718640 8685898300 13897437280 17371796600 27794874560 34743593200 69487186400 138974372800
• Sum of all divisors σ(n): 345073703552
• Sum of proper divisors (its aliquot sum) s(n): 206099330752
• 138974372800 is an abundant number, because the sum of its proper divisors (206099330752) is greater than itself. Its abundance is 67124957952

Bases of 138974372800

• Binary: 10000001011011100001001010001111000000₂
• Hexadecimal: 0x205B84A3C0
• Base-36: 1RUDR4CG

Squares and roots of 138974372800

• 138974372800 squared (138974372800²) is 19313876295153379840000
• 138974372800 cubed (138974372800³) is 2684133844455728643064164352000000
• The square root of 138974372800 is 372792.6673098601
• The cube root of 138974372800 is 5179.7830989017

Scales and comparisons

• 138,974,372,800 seconds is equal to 4,418 years, 49 weeks, 4 days, 16 hours, 26 minutes, 40 seconds.
• To count from 1 to 138,974,372,800 would take you about eight thousand, eight hundred thirty-seven 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 138974372800 cubic inches would be around 431.6 feet tall.

Recreational maths with 138974372800

• 138974372800 backwards is 008273479831
• The number of decimal digits it has is: 12
• The sum of 138974372800's digits is 52
• More coming soon!