21531241424
21,531,241,424 is an even composite number composed of five prime numbers multiplied together.
21531241424 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 21531241424:
24 × 7 × 112 × 149 × 10663
(2 × 2 × 2 × 2 × 7 × 11 × 11 × 149 × 10663)See below for interesting mathematical facts about the number 21531241424 from the Numbermatics database.
Names of 21531241424
- Cardinal: 21531241424 can be written as Twenty-one billion, five hundred thirty-one million, two hundred forty-one thousand, four hundred twenty-four.
Scientific notation
- Scientific notation: 2.1531241424 × 1010
Factors of 21531241424
Divisors of 21531241424
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 121 149 154 176 242 298 308 484 596 616 847 968 1043 1192 1232 1639 1694 1936 2086 2384 3278 3388 4172 6556 6776 8344 10663 11473 13112 13552 16688 18029 21326 22946 26224 36058 42652 45892 72116 74641 85304 91784 117293 126203 144232 149282 170608 183568 234586 252406 288464 298564 469172 504812 597128 821051 938344 1009624 1194256 1290223 1588787 1642102 1876688 2019248 2580446 3177574 3284204 5160892 6355148 6568408 9031561 10321784 11121509 12710296 13136816 17476657 18063122 20643568 22243018 25420592 34953314 36126244 44486036 69906628 72252488 88972072 122336599 139813256 144504976 177944144 192243227 244673198 279626512 384486454 489346396 768972908 978692792 1345702589 1537945816 1957385584 2691405178 3075891632 5382810356 10765620712 21531241424
- Sum of all divisors σ(n): 52761206400
- Sum of proper divisors (its aliquot sum) s(n): 31229964976
- 21531241424 is an abundant number, because the sum of its proper divisors (31229964976) is greater than itself. Its abundance is 9698723552
Bases of 21531241424
- Binary: 101000000110101110010101011110100002
- Hexadecimal: 0x5035CABD0
- Base-36: 9W3587K
Squares and roots of 21531241424
- 21531241424 squared (215312414242) is 463594357258573547776
- 21531241424 cubed (215312414243) is 9981762028938453851025254273024
-
The
square root of 21531241424 is 146735.2766856015 -
The
cube root of 21531241424 is 2781.9950753129
Scales and comparisons
How big is 21531241424?- 21,531,241,424 seconds is equal to 684 years, 32 weeks, 4 days, 4 hours, 23 minutes, 44 seconds.
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To count from 1 to 21,531,241,424 would take you about one thousand, three hundred sixty-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 21531241424 cubic inches would be around 231.8 feet tall.
Recreational maths with 21531241424
- 21531241424 backwards is 42414213512
- The number of decimal digits it has is: 11
- The sum of 21531241424's digits is 29
- More coming soon!
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