21642849640008

Names of 21642849640008

• Cardinal: 21642849640008 can be written as Twenty-one trillion, six hundred forty-two billion, eight hundred forty-nine million, six hundred forty thousand and eight.

Scientific notation

• Scientific notation: 2.1642849640008 × 10¹³

Factors of 21642849640008

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 55945697

Divisors of 21642849640008

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 199 216 243 324 398 486 597 648 796 972 1194 1592 1791 1944 2388 3582 4776 5373 7164 10746 14328 16119 21492 32238 42984 48357 64476 96714 128952 193428 386856 55945493 111890986 167836479 223781972 335672958 447563944 503509437 671345916 1007018874 1342691832 1510528311 2014037748 3021056622 4028075496 4531584933 6042113244 9063169866 11133153107 12084226488 13594754799 18126339732 22266306214 27189509598 33399459321 36252679464 44532612428 54379019196 66798918642 89065224856 100198377963 108758038392 133597837284 200396755926 267195674568 300595133889 400793511852 601190267778 801587023704 901785401667 1202380535556 1803570803334 2404761071112 2705356205001 3607141606668 5410712410002 7214283213336 10821424820004 21642849640008
• Sum of all divisors σ(n): 61092479448000
• Sum of proper divisors (its aliquot sum) s(n): 39449629807992
• 21642849640008 is an abundant number, because the sum of its proper divisors (39449629807992) is greater than itself. Its abundance is 17806780167984

Bases of 21642849640008

• Binary: 100111010111100011110010111010101111001001000₂
• Hexadecimal: 0x13AF1E5D5E48
• Base-36: 7O6L5VGI0

Squares and roots of 21642849640008

• 21642849640008 squared (21642849640008²) is 468412940539994415194240064
• 21642849640008 cubed (21642849640008³) is 10137790841541106838012989054537530880512
• The square root of 21642849640008 is 4652187.6187454005
• The cube root of 21642849640008 is 27867.9366162223

Scales and comparisons

• 21,642,849,640,008 seconds is equal to 688,175 years, 34 weeks, 6 days, 21 hours, 46 minutes, 48 seconds.
• To count from 1 to 21,642,849,640,008 would take you about one million, seven hundred twenty thousand, four hundred thirty-nine 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 21642849640008 cubic inches would be around 2322.3 feet tall.

Recreational maths with 21642849640008

• 21642849640008 backwards is 80004694824612
• 21642849640008 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21642849640008's digits is 54
• More coming soon!