21508007472
21,508,007,472 is an even composite number composed of five prime numbers multiplied together.
21508007472 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 21508007472:
24 × 32 × 72 × 223 × 13669
(2 × 2 × 2 × 2 × 3 × 3 × 7 × 7 × 223 × 13669)See below for interesting mathematical facts about the number 21508007472 from the Numbermatics database.
Names of 21508007472
- Cardinal: 21508007472 can be written as Twenty-one billion, five hundred eight million, seven thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 2.1508007472 × 1010
Factors of 21508007472
Divisors of 21508007472
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 63 72 84 98 112 126 144 147 168 196 223 252 294 336 392 441 446 504 588 669 784 882 892 1008 1176 1338 1561 1764 1784 2007 2352 2676 3122 3528 3568 4014 4683 5352 6244 7056 8028 9366 10704 10927 12488 13669 14049 16056 18732 21854 24976 27338 28098 32112 32781 37464 41007 43708 54676 56196 65562 74928 82014 87416 95683 98343 109352 112392 123021 131124 164028 174832 191366 196686 218704 224784 246042 262248 287049 328056 382732 393372 492084 524496 574098 656112 669781 765464 786744 861147 984168 1148196 1339562 1530928 1573488 1722294 1968336 2009343 2296392 2679124 3048187 3444588 4018686 4592784 5358248 6028029 6096374 6889176 8037372 9144561 10716496 12056058 12192748 13778352 16074744 18289122 21337309 24112116 24385496 27433683 32149488 36578244 42674618 48224232 48770992 54867366 64011927 73156488 85349236 96448464 109734732 128023854 146312976 149361163 170698472 192035781 219469464 256047708 298722326 341396944 384071562 438938928 448083489 512095416 597444652 768143124 896166978 1024190832 1194889304 1344250467 1536286248 1792333956 2389778608 2688500934 3072572496 3584667912 5377001868 7169335824 10754003736 21508007472
- Sum of all divisors σ(n): 70339039680
- Sum of proper divisors (its aliquot sum) s(n): 48831032208
- 21508007472 is an abundant number, because the sum of its proper divisors (48831032208) is greater than itself. Its abundance is 27323024736
Bases of 21508007472
- Binary: 101000000011111101000100110001100002
- Hexadecimal: 0x501FA2630
- Base-36: 9VPB8S0
Squares and roots of 21508007472
- 21508007472 squared (215080074722) is 462594385415607830784
- 21508007472 cubed (215080074723) is 9949483498024141049923983618048
-
The
square root of 21508007472 is 146656.0856971165 -
The
cube root of 21508007472 is 2780.9940492203
Scales and comparisons
How big is 21508007472?- 21,508,007,472 seconds is equal to 683 years, 46 weeks, 1 day, 6 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,508,007,472 would take you about one thousand, three hundred sixty-seven 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 21508007472 cubic inches would be around 231.7 feet tall.
Recreational maths with 21508007472
- 21508007472 backwards is 27470080512
- 21508007472 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21508007472's digits is 36
- More coming soon!
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The information we have on file for 21508007472 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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