21642465998058960

Names of 21642465998058960

• Cardinal: 21642465998058960 can be written as Twenty-one quadrillion, six hundred forty-two trillion, four hundred sixty-five billion, nine hundred ninety-eight million, fifty-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.164246599805896 × 10¹⁶

Factors of 21642465998058960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 648754976110

Divisors of 21642465998058960

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 139 240 278 417 556 695 834 1112 1390 1668 2085 2224 2780 3336 4170 5560 6672 8340 11120 16680 33360 648754975961 1297509951922 1946264927883 2595019903844 3243774879805 3892529855766 5190039807688 6487549759610 7785059711532 9731324639415 10380079615376 12975099519220 15570119423064 19462649278830 25950199038440 31140238846128 38925298557660 51900398076880 77850597115320 90176941658579 155701194230640 180353883317158 270530824975737 360707766634316 450884708292895 541061649951474 721415533268632 901769416585790 1082123299902948 1352654124878685 1442831066537264 1803538833171580 2164246599805896 2705308249757370 3607077666343160 4328493199611792 5410616499514740 7214155332686320 10821232999029480 21642465998058960
• Sum of all divisors σ(n): 67574318296201920
• Sum of proper divisors (its aliquot sum) s(n): 45931852298142960
• 21642465998058960 is an abundant number, because the sum of its proper divisors (45931852298142960) is greater than itself. Its abundance is 24289386300084000

Bases of 21642465998058960

• Binary: 1001100111000111011010101001001111000001011010111010000₂
• Hexadecimal: 0x4CE3B549E0B5D0
• Base-36: 5X3M3MFBXLC

Squares and roots of 21642465998058960

• 21642465998058960 squared (21642465998058960²) is 468396334477138215594487636281600
• 21642465998058960 cubed (21642465998058960³) is 10137251742536915587230864093647370144071963136000
• The square root of 21642465998058960 is 147113785.8871797235
• The cube root of 21642465998058960 is 278677.7195255933

Scales and comparisons

• 21,642,465,998,058,960 seconds is equal to 688,163,474 years, 10 weeks, 1 day, 3 hours, 56 minutes.
• To count from 1 to 21,642,465,998,058,960 would take you about two billion, sixty-four million, four hundred ninety thousand, four hundred twenty-two 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 21642465998058960 cubic inches would be around 23223.1 feet tall.

Recreational maths with 21642465998058960

• 21642465998058960 backwards is 06985089956424612
• The number of decimal digits it has is: 17
• The sum of 21642465998058960's digits is 84
• More coming soon!