21206876800

Names of 21206876800

• Cardinal: 21206876800 can be written as Twenty-one billion, two hundred six million, eight hundred seventy-six thousand, eight hundred.

Scientific notation

• Scientific notation: 2.12068768 × 10¹⁰

Factors of 21206876800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1034

Divisors of 21206876800

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 31 32 40 50 62 64 80 100 124 128 155 160 200 248 310 313 320 400 496 620 626 640 683 775 800 992 1240 1252 1366 1550 1565 1600 1984 2480 2504 2732 3100 3130 3200 3415 3968 4960 5008 5464 6200 6260 6830 7825 9703 9920 10016 10928 12400 12520 13660 15650 17075 19406 19840 20032 21173 21856 24800 25040 27320 31300 34150 38812 40064 42346 43712 48515 49600 50080 54640 62600 68300 77624 84692 87424 97030 99200 100160 105865 109280 125200 136600 155248 169384 194060 200320 211730 213779 218560 242575 250400 273200 310496 338768 388120 423460 427558 437120 485150 500800 529325 546400 620992 677536 776240 846920 855116 970300 1001600 1058650 1068895 1092800 1241984 1355072 1552480 1693840 1710232 1940600 2117300 2137790 2185600 2710144 3104960 3387680 3420464 3881200 4234600 4275580 5344475 6209920 6627149 6775360 6840928 7762400 8469200 8551160 10688950 13254298 13550720 13681856 15524800 16938400 17102320 21377900 26508596 27363712 31049600 33135745 33876800 34204640 42755800 53017192 66271490 67753600 68409280 85511600 106034384 132542980 136818560 165678725 171023200 212068768 265085960 331357450 342046400 424137536 530171920 662714900 684092800 848275072 1060343840 1325429800 2120687680 2650859600 4241375360 5301719200 10603438400 21206876800
• Sum of all divisors σ(n): 54329736960
• Sum of proper divisors (its aliquot sum) s(n): 33122860160
• 21206876800 is an abundant number, because the sum of its proper divisors (33122860160) is greater than itself. Its abundance is 11915983360

Bases of 21206876800

• Binary: 10011110000000001110100001010000000₂
• Hexadecimal: 0x4F0074280
• Base-36: 9QQ0YV4

Squares and roots of 21206876800

• 21206876800 squared (21206876800²) is 449731623610378240000
• 21206876800 cubed (21206876800³) is 9537403134969262537080832000000
• The square root of 21206876800 is 145625.8108990299
• The cube root of 21206876800 is 2767.9542298111

Scales and comparisons

• 21,206,876,800 seconds is equal to 674 years, 16 weeks, 1 day, 23 hours, 6 minutes, 40 seconds.
• To count from 1 to 21,206,876,800 would take you about one thousand, three hundred forty-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 21206876800 cubic inches would be around 230.7 feet tall.

Recreational maths with 21206876800

• 21206876800 backwards is 00867860212
• 21206876800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21206876800's digits is 40
• More coming soon!