12820128183240

Names of 12820128183240

• Cardinal: 12820128183240 can be written as Twelve trillion, eight hundred twenty billion, one hundred twenty-eight million, one hundred eighty-three thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.282012818324 × 10¹³

Factors of 12820128183240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 663408

Divisors of 12820128183240

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 31 35 40 42 56 60 62 70 84 93 105 120 124 140 155 168 186 210 217 248 280 310 372 420 434 465 620 651 743 744 840 868 930 1085 1240 1302 1486 1736 1860 2170 2229 2604 2972 3255 3715 3720 4340 4458 5201 5208 5944 6510 7430 8680 8916 10402 11145 13020 14860 15603 17832 20804 22290 23033 26005 26040 29720 31206 41608 44580 46066 52010 62412 69099 78015 89160 92132 104020 115165 124824 138198 156030 161231 184264 208040 230330 276396 312060 322462 345495 460660 483693 552792 624120 644924 662617 690990 806155 921320 967386 1289848 1325234 1381980 1612310 1934772 1987851 2418465 2650468 2763960 3224620 3313085 3869544 3975702 4638319 4836930 5300936 6449240 6626170 7951404 9276638 9673860 9939255 13252340 13914957 15902808 18553276 19347720 19878510 20541127 23191595 26504680 27829914 37106552 39757020 41082254 46383190 55659828 61623381 69574785 79514040 82164508 92766380 102705635 111319656 123246762 139149570 143787889 164329016 185532760 205411270 246493524 278299140 287575778 308116905 410822540 431363667 492324431 492987048 556598280 575151556 616233810 718939445 821645080 862727334 984648862 1150303112 1232467620 1437878890 1476973293 1725454668 1969297724 2156818335 2461622155 2464935240 2875757780 2953946586 3446271017 3450909336 3938595448 4313636670 4923244310 5751515560 5907893172 6892542034 7384866465 8627273340 9846488620 10338813051 11815786344 13785084068 14769732930 15262057361 17231355085 17254546680 19692977240 20677626102 27570168136 29539465860 30524114722 34462710170 41355252204 45786172083 51694065255 59078931720 61048229444 68925420340 76310286805 82710504408 91572344166 103388130510 106834401527 122096458888 137850840680 152620573610 183144688332 206776261020 213668803054 228930860415 305241147220 320503204581 366289376664 413552522040 427337606108 457861720830 534172007635 610482294440 641006409162 854675212216 915723441660 1068344015270 1282012818324 1602516022905 1831446883320 2136688030540 2564025636648 3205032045810 4273376061080 6410064091620 12820128183240
• Sum of all divisors σ(n): 45433754910720
• Sum of proper divisors (its aliquot sum) s(n): 32613626727480
• 12820128183240 is an abundant number, because the sum of its proper divisors (32613626727480) is greater than itself. Its abundance is 19793498544240

Bases of 12820128183240

• Binary: 10111010100011101011001011111011001111001000₂
• Hexadecimal: 0xBA8EB2FB3C8
• Base-36: 4JLHHBBGO

Squares and roots of 12820128183240

• 12820128183240 squared (12820128183240²) is 164355686634704543016897600
• 12820128183240 cubed (12820128183240³) is 2107060970301337502601393857309116224000
• The square root of 12820128183240 is 3580520.6581222235
• The cube root of 12820128183240 is 23404.3969768611

Scales and comparisons

• 12,820,128,183,240 seconds is equal to 407,640 years, 21 weeks, 6 days, 5 hours, 34 minutes.
• To count from 1 to 12,820,128,183,240 would take you about one million, nineteen thousand, one hundred one 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 12820128183240 cubic inches would be around 1950.4 feet tall.

Recreational maths with 12820128183240

• 12820128183240 backwards is 04238182102821
• 12820128183240 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12820128183240's digits is 42
• More coming soon!