31398928925
31,398,928,925 is an odd composite number composed of six prime numbers multiplied together.
31398928925 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 31398928925:
52 × 7 × 13 × 31 × 139 × 3203
(5 × 5 × 7 × 13 × 31 × 139 × 3203)See below for interesting mathematical facts about the number 31398928925 from the Numbermatics database.
Names of 31398928925
- Cardinal: 31398928925 can be written as Thirty-one billion, three hundred ninety-eight million, nine hundred twenty-eight thousand, nine hundred twenty-five.
Scientific notation
- Scientific notation: 3.1398928925 × 1010
Factors of 31398928925
Divisors of 31398928925
- Number of divisors d(n): 96
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Complete list of divisors:
1 5 7 13 25 31 35 65 91 139 155 175 217 325 403 455 695 775 973 1085 1807 2015 2275 2821 3203 3475 4309 4865 5425 9035 10075 12649 14105 16015 21545 22421 24325 30163 41639 45175 56017 63245 70525 80075 99293 107725 112105 150815 208195 280085 291473 316225 392119 445217 496465 560525 695051 754075 1040975 1290809 1400425 1457365 1960595 2226085 2482325 3116519 3475255 5787821 6454045 7286825 9035663 9802975 11130425 13801727 15582595 17376275 28939105 32270225 40514747 45178315 69008635 77912975 96612089 144695525 179422451 202573735 225891575 345043175 483060445 897112255 1012868675 1255957157 2415302225 4485561275 6279785785 31398928925
- Sum of all divisors σ(n): 49836810240
- Sum of proper divisors (its aliquot sum) s(n): 18437881315
- 31398928925 is a deficient number, because the sum of its proper divisors (18437881315) is less than itself. Its deficiency is 12961047610
Bases of 31398928925
- Binary: 111010011111000010110100010000111012
- Hexadecimal: 0x74F85A21D
- Base-36: EFA40M5
Squares and roots of 31398928925
- 31398928925 squared (313989289252) is 985892737637201655625
- 31398928925 cubed (313989289253) is 30955975996744167220861701453125
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The
square root of 31398928925 is 177197.4292279659 -
The
cube root of 31398928925 is 3154.7983952993
Scales and comparisons
How big is 31398928925?- 31,398,928,925 seconds is equal to 998 years, 20 weeks, 1 day, 12 hours, 42 minutes, 5 seconds.
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To count from 1 to 31,398,928,925 would take you about one thousand, nine hundred ninety-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 31398928925 cubic inches would be around 262.9 feet tall.
Recreational maths with 31398928925
- 31398928925 backwards is 52982989313
- The number of decimal digits it has is: 11
- The sum of 31398928925's digits is 59
- More coming soon!
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