138530355984768720

Names of 138530355984768720

• Cardinal: 138530355984768720 can be written as One hundred thirty-eight quadrillion, five hundred thirty trillion, three hundred fifty-five billion, nine hundred eighty-four million, seven hundred sixty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.3853035598476872 × 10¹⁷

Factors of 138530355984768720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 82458545229046

Divisors of 138530355984768720

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 82458545229029 164917090458058 247375635687087 329834180916116 412292726145145 494751271374174 577209816603203 659668361832232 824585452290290 989502542748348 1154419633206406 1236878178435435 1319336723664464 1649170904580580 1731629449809609 1979005085496696 2308839266412812 2473756356870870 2886049083016015 3298341809161160 3463258899619218 3958010170993392 4617678532825624 4947512713741740 5772098166032030 6596683618322320 6926517799238436 8658147249048045 9235357065651248 9895025427483480 11544196332064060 13853035598476872 17316294498096090 19790050854966960 23088392664128120 27706071196953744 34632588996192180 46176785328256240 69265177992384360 138530355984768720
• Sum of all divisors σ(n): 490793261203186560
• Sum of proper divisors (its aliquot sum) s(n): 352262905218417840
• 138530355984768720 is an abundant number, because the sum of its proper divisors (352262905218417840) is greater than itself. Its abundance is 213732549233649120

Bases of 138530355984768720

• Binary: 111101100001010001001111111110011000101001001111011010000₂
• Hexadecimal: 0x1EC289FF3149ED0
• Base-36: 11W0WUZ9J6XC

Squares and roots of 138530355984768720

• 138530355984768720 squared (138530355984768720²) is 19190659529266746718760631890438400
• 138530355984768720 cubed (138530355984768720³) is 2658488896171816533236812200604860110770203406848000
• The square root of 138530355984768720 is 372196663.0489434143
• The cube root of 138530355984768720 is 517426.0822921799

Scales and comparisons

• 138,530,355,984,768,720 seconds is equal to 4,404,836,817 years, 41 weeks, 13 hours, 32 minutes.
• To count from 1 to 138,530,355,984,768,720 would take you about thirteen billion, two hundred fourteen million, five hundred ten thousand, four hundred fifty-three 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 138530355984768720 cubic inches would be around 43118.8 feet tall.

Recreational maths with 138530355984768720

• 138530355984768720 backwards is 027867489553035831
• 138530355984768720 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 138530355984768720's digits is 84
• More coming soon!