3139493721
3,139,493,721 is an odd composite number composed of six prime numbers multiplied together.
3139493721 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 3139493721:
3 × 7 × 13 × 23 × 31 × 1272
(3 × 7 × 13 × 23 × 31 × 127 × 127)See below for interesting mathematical facts about the number 3139493721 from the Numbermatics database.
Names of 3139493721
- Cardinal: 3139493721 can be written as Three billion, one hundred thirty-nine million, four hundred ninety-three thousand, seven hundred twenty-one.
Scientific notation
- Scientific notation: 3.139493721 × 109
Factors of 3139493721
Divisors of 3139493721
- Number of divisors d(n): 96
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Complete list of divisors:
1 3 7 13 21 23 31 39 69 91 93 127 161 217 273 299 381 403 483 651 713 889 897 1209 1651 2093 2139 2667 2821 2921 3937 4953 4991 6279 8463 8763 9269 11557 11811 14973 16129 20447 27559 27807 34671 37973 48387 51181 61341 64883 82677 90551 112903 113919 153543 194649 209677 265811 271653 338709 358267 370967 499999 629031 633857 797433 1074801 1112901 1177163 1467739 1499997 1901571 2596769 3499993 3531489 4403217 4822571 6499987 7790307 8240141 10499979 11499977 14467713 19499961 24720423 33757997 34499931 45499909 80499839 101273991 136499727 149499701 241499517 448499103 1046497907 3139493721
- Sum of all divisors σ(n): 5593448448
- Sum of proper divisors (its aliquot sum) s(n): 2453954727
- 3139493721 is a deficient number, because the sum of its proper divisors (2453954727) is less than itself. Its deficiency is 685538994
Bases of 3139493721
- Binary: 101110110010000011011111010110012
- Hexadecimal: 0xBB20DF59
- Base-36: 1FX68UX
Squares and roots of 3139493721
- 3139493721 squared (31394937212) is 9856420824198425841
- 3139493721 cubed (31394937213) is 30944171289104602785903644361
-
The
square root of 3139493721 is 56031.1852542849 -
The
cube root of 3139493721 is 1464.2656449149
Scales and comparisons
How big is 3139493721?- 3,139,493,721 seconds is equal to 99 years, 42 weeks, 6 days, 17 hours, 35 minutes, 21 seconds.
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To count from 1 to 3,139,493,721 would take you about one hundred ninety-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 3139493721 cubic inches would be around 122 feet tall.
Recreational maths with 3139493721
- 3139493721 backwards is 1273949313
- The number of decimal digits it has is: 10
- The sum of 3139493721's digits is 42
- More coming soon!
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