138491542396160

Names of 138491542396160

• Cardinal: 138491542396160 can be written as One hundred thirty-eight trillion, four hundred ninety-one billion, five hundred forty-two million, three hundred ninety-six thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.3849154239616 × 10¹⁴

Factors of 138491542396160

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 549221105

Divisors of 138491542396160

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 197 256 320 394 640 788 985 1280 1576 1970 3152 3940 6304 7880 12608 15760 25216 31520 50432 63040 126080 252160 549220901 1098441802 2196883604 2746104505 4393767208 5492209010 8787534416 10984418020 17575068832 21968836040 35150137664 43937672080 70300275328 87875344160 108196517497 140600550656 175750688320 216393034994 351501376640 432786069988 540982587485 703002753280 865572139976 1081965174970 1731144279952 2163930349940 3462288559904 4327860699880 6924577119808 8655721399760 13849154239616 17311442799520 27698308479232 34622885599040 69245771198080 138491542396160
• Sum of all divisors σ(n): 333414434535336
• Sum of proper divisors (its aliquot sum) s(n): 194922892139176
• 138491542396160 is an abundant number, because the sum of its proper divisors (194922892139176) is greater than itself. Its abundance is 56431349743016

Bases of 138491542396160

• Binary: 11111011111010100010011001100000101110100000000₂
• Hexadecimal: 0x7DF513305D00
• Base-36: 1D3A4WLHQ8

Squares and roots of 138491542396160

• 138491542396160 squared (138491542396160²) is 19179907315267382714382745600
• 138491542396160 cubed (138491542396160³) is 2656254947106772056435338352467583696896000
• The square root of 138491542396160 is 11768242.9612988533
• The cube root of 138491542396160 is 51737.7753440635

Scales and comparisons

• 138,491,542,396,160 seconds is equal to 4,403,602 years, 34 weeks, 4 days, 7 hours, 49 minutes, 20 seconds.
• To count from 1 to 138,491,542,396,160 would take you about eleven million, nine thousand and six 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 138491542396160 cubic inches would be around 4311.5 feet tall.

Recreational maths with 138491542396160

• 138491542396160 backwards is 061693245194831
• The number of decimal digits it has is: 15
• The sum of 138491542396160's digits is 62
• More coming soon!