15791139949920

Names of 15791139949920

• Cardinal: 15791139949920 can be written as Fifteen trillion, seven hundred ninety-one billion, one hundred thirty-nine million, nine hundred forty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.579113994992 × 10¹³

Factors of 15791139949920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 539314960

Divisors of 15791139949920

• 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 61 80 96 120 122 160 183 240 244 305 366 480 488 610 732 915 976 1220 1464 1830 1952 2440 2928 3660 4880 5856 7320 9760 14640 29280 539314889 1078629778 1617944667 2157259556 2696574445 3235889334 4314519112 5393148890 6471778668 8089723335 8629038224 10786297780 12943557336 16179446670 17258076448 21572595560 25887114672 32358893340 32898208229 43145191120 51774229344 64717786680 65796416458 86290382240 98694624687 129435573360 131592832916 164491041145 197389249374 258871146720 263185665832 328982082290 394778498748 493473123435 526371331664 657964164580 789556997496 986946246870 1052742663328 1315928329160 1579113994992 1973892493740 2631856658320 3158227989984 3947784987480 5263713316640 7895569974960 15791139949920
• Sum of all divisors σ(n): 50557535048160
• Sum of proper divisors (its aliquot sum) s(n): 34766395098240
• 15791139949920 is an abundant number, because the sum of its proper divisors (34766395098240) is greater than itself. Its abundance is 18975255148320

Bases of 15791139949920

• Binary: 11100101110010101001010010011000110101100000₂
• Hexadecimal: 0xE5CA9498D60
• Base-36: 5LICL0EAO

Squares and roots of 15791139949920

• 15791139949920 squared (15791139949920²) is 249360100917959420108006400
• 15791139949920 cubed (15791139949920³) is 3937680251521671863272936424287039488000
• The square root of 15791139949920 is 3973806.7328343993
• The cube root of 15791139949920 is 25088.2957605091

Scales and comparisons

• 15,791,139,949,920 seconds is equal to 502,109 years, 21 weeks, 11 hours, 52 minutes.
• To count from 1 to 15,791,139,949,920 would take you about one million, two hundred fifty-five thousand, two hundred seventy-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 15791139949920 cubic inches would be around 2090.7 feet tall.

Recreational maths with 15791139949920

• 15791139949920 backwards is 02994993119751
• The number of decimal digits it has is: 14
• The sum of 15791139949920's digits is 69
• More coming soon!