21481312125
21,481,312,125 is an odd composite number composed of six prime numbers multiplied together.
21481312125 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21481312125:
3 × 53 × 72 × 13 × 19 × 4733
(3 × 5 × 5 × 5 × 7 × 7 × 13 × 19 × 4733)See below for interesting mathematical facts about the number 21481312125 from the Numbermatics database.
Names of 21481312125
- Cardinal: 21481312125 can be written as Twenty-one billion, four hundred eighty-one million, three hundred twelve thousand, one hundred twenty-five.
Scientific notation
- Scientific notation: 2.1481312125 × 1010
Factors of 21481312125
Divisors of 21481312125
- Number of divisors d(n): 192
-
Complete list of divisors:
1 3 5 7 13 15 19 21 25 35 39 49 57 65 75 91 95 105 125 133 147 175 195 245 247 273 285 325 375 399 455 475 525 637 665 735 741 875 931 975 1225 1235 1365 1425 1625 1729 1911 1995 2275 2375 2625 2793 3185 3325 3675 3705 4655 4733 4875 5187 6125 6175 6825 7125 8645 9555 9975 11375 12103 13965 14199 15925 16625 18375 18525 23275 23665 25935 30875 33131 34125 36309 43225 47775 49875 60515 61529 69825 70995 79625 89927 92625 99393 116375 118325 129675 165655 181545 184587 216125 231917 238875 269781 302575 307645 349125 354975 430703 449635 496965 591625 629489 648375 695751 828275 907725 922935 1159585 1169051 1292109 1348905 1512875 1538225 1774875 1888467 2153515 2248175 2484825 3014921 3147445 3478755 3507153 4141375 4406423 4538625 4614675 5797925 5845255 6460545 6744525 7691125 8183357 9044763 9442335 10767575 11240875 12424125 13219269 15074605 15737225 17393775 17535765 22032115 23073375 24550071 28989625 29226275 32302725 33722625 40916785 45223815 47211675 53837875 57283499 66096345 75373025 78686125 86968875 87678825 110160575 122750355 146131375 161513625 171850497 204583925 226119075 236058375 286417495 330481725 376865125 438394125 550802875 613751775 859252485 1022919625 1130595375 1432087475 1652408625 3068758875 4296262425 7160437375 21481312125
- Sum of all divisors σ(n): 47146095360
- Sum of proper divisors (its aliquot sum) s(n): 25664783235
- 21481312125 is an abundant number, because the sum of its proper divisors (25664783235) is greater than itself. Its abundance is 4183471110
Bases of 21481312125
- Binary: 101000000000110001011001111011111012
- Hexadecimal: 0x50062CF7D
- Base-36: 9V9F2IL
Squares and roots of 21481312125
- 21481312125 squared (214813121252) is 461446770611672015625
- 21481312125 cubed (214813121253) is 9912482108582603735768501953125
-
The
square root of 21481312125 is 146565.0440077715 -
The
cube root of 21481312125 is 2779.8429998201
Scales and comparisons
How big is 21481312125?- 21,481,312,125 seconds is equal to 683 years, 2 weeks, 7 hours, 8 minutes, 45 seconds.
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To count from 1 to 21,481,312,125 would take you about one thousand, three hundred sixty-six 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 21481312125 cubic inches would be around 231.7 feet tall.
Recreational maths with 21481312125
- 21481312125 backwards is 52121318412
- The number of decimal digits it has is: 11
- The sum of 21481312125's digits is 30
- More coming soon!
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