21001494112
21,001,494,112 is an even composite number composed of four prime numbers multiplied together.
21001494112 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21001494112:
25 × 312 × 67 × 10193
(2 × 2 × 2 × 2 × 2 × 31 × 31 × 67 × 10193)See below for interesting mathematical facts about the number 21001494112 from the Numbermatics database.
Names of 21001494112
- Cardinal: 21001494112 can be written as Twenty-one billion, one million, four hundred ninety-four thousand, one hundred twelve.
Scientific notation
- Scientific notation: 2.1001494112 × 1010
Factors of 21001494112
Divisors of 21001494112
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 8 16 31 32 62 67 124 134 248 268 496 536 961 992 1072 1922 2077 2144 3844 4154 7688 8308 10193 15376 16616 20386 30752 33232 40772 64387 66464 81544 128774 163088 257548 315983 326176 515096 631966 682931 1030192 1263932 1365862 2060384 2527864 2731724 5055728 5463448 9795473 10111456 10926896 19590946 21170861 21853792 39181892 42341722 78363784 84683444 156727568 169366888 313455136 338733776 656296691 677467552 1312593382 2625186764 5250373528 10500747056 21001494112
- Sum of all divisors σ(n): 43365398328
- Sum of proper divisors (its aliquot sum) s(n): 22363904216
- 21001494112 is an abundant number, because the sum of its proper divisors (22363904216) is greater than itself. Its abundance is 1362410104
Bases of 21001494112
- Binary: 100111000111100100101011110011000002
- Hexadecimal: 0x4E3C95E60
- Base-36: 9NBQWKG
Squares and roots of 21001494112
- 21001494112 squared (210014941122) is 441062754936370668544
- 21001494112 cubed (210014941123) is 9262976850818687530076319612928
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The
square root of 21001494112 is 144918.9225463673 -
The
cube root of 21001494112 is 2758.9896056505
Scales and comparisons
How big is 21001494112?- 21,001,494,112 seconds is equal to 667 years, 40 weeks, 4 days, 20 hours, 21 minutes, 52 seconds.
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To count from 1 to 21,001,494,112 would take you about one thousand, three hundred thirty-five 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 21001494112 cubic inches would be around 229.9 feet tall.
Recreational maths with 21001494112
- 21001494112 backwards is 21149410012
- The number of decimal digits it has is: 11
- The sum of 21001494112's digits is 25
- More coming soon!
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