1991600314894944

Names of 1991600314894944

• Cardinal: 1991600314894944 can be written as One quadrillion, nine hundred ninety-one trillion, six hundred billion, three hundred fourteen million, eight hundred ninety-four thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 1.991600314894944 × 10¹⁵

Factors of 1991600314894944

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 17159500970

Divisors of 1991600314894944

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 31 32 36 39 48 52 62 72 78 93 96 104 117 124 144 156 186 208 234 248 279 288 312 372 403 416 468 496 558 624 744 806 936 992 1116 1209 1248 1488 1612 1872 2232 2418 2976 3224 3627 3744 4464 4836 6448 7254 8928 9672 12896 14508 19344 29016 38688 58032 116064 17159500921 34319001842 51478502763 68638003684 102957005526 137276007368 154435508289 205914011052 223073511973 274552014736 308871016578 411828022104 446147023946 531944528551 549104029472 617742033156 669220535919 823656044208 892294047892 1063889057102 1235484066312 1338441071838 1595833585653 1647312088416 1784588095784 2007661607757 2127778114204 2470968132624 2676882143676 3191667171306 3569176191568 4015323215514 4255556228408 4787500756959 4941936265248 5353764287352 6383334342612 6915278871163 7138352383136 8030646431028 8511112456816 9575001513918 10707528574704 12766668685224 13830557742326 16061292862056 17022224913632 19150003027836 20745836613489 21415057149408 25533337370448 27661115484652 32122585724112 38300006055672 41491673226978 51066674740896 55322230969304 62237509840467 64245171448224 76600012111344 82983346453956 110644461938608 124475019680934 153200024222688 165966692907912 221288923877216 248950039361868 331933385815824 497900078723736 663866771631648 995800157447472 1991600314894944
• Sum of all divisors σ(n): 6296026802292864
• Sum of proper divisors (its aliquot sum) s(n): 4304426487397920
• 1991600314894944 is an abundant number, because the sum of its proper divisors (4304426487397920) is greater than itself. Its abundance is 2312826172502976

Bases of 1991600314894944

• Binary: 111000100110101100110010101010011011100101001100000₂
• Hexadecimal: 0x71359954DCA60
• Base-36: JLYOJXW480

Squares and roots of 1991600314894944

• 1991600314894944 squared (1991600314894944²) is 3966471814289640099625756763136
• 1991600314894944 cubed (1991600314894944³) is 7899626514361167060729276121268754485331984384
• The square root of 1991600314894944 is 44627349.4047646079
• The cube root of 1991600314894944 is 125815.4751511129

Scales and comparisons

• 1,991,600,314,894,944 seconds is equal to 63,326,729 years, 30 weeks, 4 days, 13 hours, 2 minutes, 24 seconds.
• To count from 1 to 1,991,600,314,894,944 would take you about one hundred eighty-nine million, nine hundred eighty thousand, one hundred eighty-eight 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 1991600314894944 cubic inches would be around 10484.6 feet tall.

Recreational maths with 1991600314894944

• 1991600314894944 backwards is 4494984130061991
• 1991600314894944 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1991600314894944's digits is 72
• More coming soon!