31331475420
31,331,475,420 is an even composite number composed of six prime numbers multiplied together.
31331475420 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 31331475420:
22 × 3 × 5 × 7 × 2411 × 30941
(2 × 2 × 3 × 5 × 7 × 2411 × 30941)See below for interesting mathematical facts about the number 31331475420 from the Numbermatics database.
Names of 31331475420
- Cardinal: 31331475420 can be written as Thirty-one billion, three hundred thirty-one million, four hundred seventy-five thousand, four hundred twenty.
Scientific notation
- Scientific notation: 3.133147542 × 1010
Factors of 31331475420
Divisors of 31331475420
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 2411 4822 7233 9644 12055 14466 16877 24110 28932 30941 33754 36165 48220 50631 61882 67508 72330 84385 92823 101262 123764 144660 154705 168770 185646 202524 216587 253155 309410 337540 371292 433174 464115 506310 618820 649761 866348 928230 1012620 1082935 1299522 1856460 2165870 2599044 3248805 4331740 6497610 12995220 74598751 149197502 223796253 298395004 372993755 447592506 522191257 745987510 895185012 1044382514 1118981265 1491975020 1566573771 2088765028 2237962530 2610956285 3133147542 4475925060 5221912570 6266295084 7832868855 10443825140 15665737710 31331475420
- Sum of all divisors σ(n): 100305547776
- Sum of proper divisors (its aliquot sum) s(n): 68974072356
- 31331475420 is an abundant number, because the sum of its proper divisors (68974072356) is greater than itself. Its abundance is 37642596936
Bases of 31331475420
- Binary: 111010010111000000001011111110111002
- Hexadecimal: 0x74B805FDC
- Base-36: EE5Y95O
Squares and roots of 31331475420
- 31331475420 squared (313314754202) is 981661351994064176400
- 31331475420 cubed (313314754203) is 30756898520765989728779144088000
-
The
square root of 31331475420 is 177006.9925737399 -
The
cube root of 31331475420 is 3152.5376517583
Scales and comparisons
How big is 31331475420?- 31,331,475,420 seconds is equal to 996 years, 12 weeks, 4 days, 19 hours, 37 minutes.
-
To count from 1 to 31,331,475,420 would take you about one thousand, nine hundred ninety-two 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 31331475420 cubic inches would be around 262.7 feet tall.
Recreational maths with 31331475420
- 31331475420 backwards is 02457413313
- The number of decimal digits it has is: 11
- The sum of 31331475420's digits is 33
- More coming soon!
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