31420987378
31,420,987,378 is an even composite number composed of seven prime numbers multiplied together.
31420987378 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 31420987378:
2 × 11 × 23 × 31 × 71 × 89 × 317
See below for interesting mathematical facts about the number 31420987378 from the Numbermatics database.
Names of 31420987378
- Cardinal: 31420987378 can be written as Thirty-one billion, four hundred twenty million, nine hundred eighty-seven thousand, three hundred seventy-eight.
Scientific notation
- Scientific notation: 3.1420987378 × 1010
Factors of 31420987378
Divisors of 31420987378
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 11 22 23 31 46 62 71 89 142 178 253 317 341 506 634 682 713 781 979 1426 1562 1633 1958 2047 2201 2759 3266 3487 4094 4402 5518 6319 6974 7291 7843 9827 12638 14582 15686 17963 19654 22507 22517 24211 28213 30349 35926 45014 45034 48422 50623 56426 60698 63457 69509 80201 101246 108097 126914 139018 145337 160402 195889 216194 226021 247577 290674 310343 391778 452042 495154 517661 556853 620686 648899 697717 698027 874603 1035322 1113706 1297798 1395434 1396054 1598707 1749206 2003123 2154779 2486231 3197414 4006246 4309558 4505447 4972462 5694271 7137889 7674887 9010894 9620633 11388542 14275778 15349774 16047491 19241266 20115869 22034353 32094982 40231738 44068706 46071829 49559917 62096813 92143658 99119834 124193626 176522401 221274559 353044802 442549118 506790119 683064943 1013580238 1366129886 1428226699 2856453398 15710493689 31420987378
- Sum of all divisors σ(n): 56972574720
- Sum of proper divisors (its aliquot sum) s(n): 25551587342
- 31420987378 is a deficient number, because the sum of its proper divisors (25551587342) is less than itself. Its deficiency is 5869400036
Bases of 31420987378
- Binary: 111010100001101011000110111111100102
- Hexadecimal: 0x750D637F2
- Base-36: EFN8T0Y
Squares and roots of 31420987378
- 31420987378 squared (314209873782) is 987278447808435314884
- 31420987378 cubed (314209873783) is 31021263647160277790899619534152
-
The
square root of 31420987378 is 177259.6608876369 -
The
cube root of 31420987378 is 3155.5369946155
Scales and comparisons
How big is 31420987378?- 31,420,987,378 seconds is equal to 999 years, 4 weeks, 4 days, 20 hours, 2 minutes, 58 seconds.
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To count from 1 to 31,420,987,378 would take you about one thousand, nine hundred ninety-eight 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 31420987378 cubic inches would be around 263 feet tall.
Recreational maths with 31420987378
- 31420987378 backwards is 87378902413
- The number of decimal digits it has is: 11
- The sum of 31420987378's digits is 52
- More coming soon!
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The information we have on file for 31420987378 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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