21137137616
21,137,137,616 is an even composite number composed of five prime numbers multiplied together.
21137137616 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 21137137616:
24 × 7 × 79 × 149 × 16033
(2 × 2 × 2 × 2 × 7 × 79 × 149 × 16033)See below for interesting mathematical facts about the number 21137137616 from the Numbermatics database.
Names of 21137137616
- Cardinal: 21137137616 can be written as Twenty-one billion, one hundred thirty-seven million, one hundred thirty-seven thousand, six hundred sixteen.
Scientific notation
- Scientific notation: 2.1137137616 × 1010
Factors of 21137137616
Divisors of 21137137616
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 7 8 14 16 28 56 79 112 149 158 298 316 553 596 632 1043 1106 1192 1264 2086 2212 2384 4172 4424 8344 8848 11771 16033 16688 23542 32066 47084 64132 82397 94168 112231 128264 164794 188336 224462 256528 329588 448924 659176 897848 1266607 1318352 1795696 2388917 2533214 4777834 5066428 8866249 9555668 10132856 16722419 17732498 19111336 20265712 33444838 35464996 38222672 66889676 70929992 133779352 141859984 188724443 267558704 377448886 754897772 1321071101 1509795544 2642142202 3019591088 5284284404 10568568808 21137137616
- Sum of all divisors σ(n): 47717184000
- Sum of proper divisors (its aliquot sum) s(n): 26580046384
- 21137137616 is an abundant number, because the sum of its proper divisors (26580046384) is greater than itself. Its abundance is 5442908768
Bases of 21137137616
- Binary: 100111010111101111100011111110100002
- Hexadecimal: 0x4EBDF1FD0
- Base-36: 9PKI7RK
Squares and roots of 21137137616
- 21137137616 squared (211371376162) is 446778586597722163456
- 21137137616 cubed (211371376163) is 9443620468798026601102718160896
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The
square root of 21137137616 is 145386.1672099515 -
The
cube root of 21137137616 is 2764.9167425203
Scales and comparisons
How big is 21137137616?- 21,137,137,616 seconds is equal to 672 years, 4 weeks, 6 days, 19 hours, 6 minutes, 56 seconds.
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To count from 1 to 21,137,137,616 would take you about one thousand, three hundred forty-four 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 21137137616 cubic inches would be around 230.4 feet tall.
Recreational maths with 21137137616
- 21137137616 backwards is 61673173112
- The number of decimal digits it has is: 11
- The sum of 21137137616's digits is 38
- More coming soon!
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