21656423481120

Names of 21656423481120

• Cardinal: 21656423481120 can be written as Twenty-one trillion, six hundred fifty-six billion, four hundred twenty-three million, four hundred eighty-one thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.165642348112 × 10¹³

Factors of 21656423481120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5013061001

Divisors of 21656423481120

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 480 540 720 864 1080 1440 2160 4320 5013060991 10026121982 15039182973 20052243964 25065304955 30078365946 40104487928 45117548919 50130609910 60156731892 75195914865 80208975856 90235097838 100261219820 120313463784 135352646757 150391829730 160417951712 180470195676 200522439640 225587744595 240626927568 270705293514 300783659460 360940391352 401044879280 451175489190 481253855136 541410587028 601567318920 676763233785 721880782704 802089758560 902350978380 1082821174056 1203134637840 1353526467570 1443761565408 1804701956760 2165642348112 2406269275680 2707052935140 3609403913520 4331284696224 5414105870280 7218807827040 10828211740560 21656423481120
• Sum of all divisors σ(n): 75797482199040
• Sum of proper divisors (its aliquot sum) s(n): 54141058717920
• 21656423481120 is an abundant number, because the sum of its proper divisors (54141058717920) is greater than itself. Its abundance is 32484635236800

Bases of 21656423481120

• Binary: 100111011001001000111011011011011111100100000₂
• Hexadecimal: 0x13B2476DBF20
• Base-36: 7OCTNDZC0

Squares and roots of 21656423481120

• 21656423481120 squared (21656423481120²) is 469000677993605698996454400
• 21656423481120 cubed (21656423481120³) is 10156877295561922508961465887785340928000
• The square root of 21656423481120 is 4653646.2565519525
• The cube root of 21656423481120 is 27873.7614174249

Scales and comparisons

• 21,656,423,481,120 seconds is equal to 688,607 years, 14 weeks, 3 days, 13 hours, 12 minutes.
• To count from 1 to 21,656,423,481,120 would take you about one million, seven hundred twenty-one thousand, five hundred eighteen 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 21656423481120 cubic inches would be around 2322.8 feet tall.

Recreational maths with 21656423481120

• 21656423481120 backwards is 02118432465612
• 21656423481120 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21656423481120's digits is 45
• More coming soon!