31213993800
31,213,993,800 is an even composite number composed of five prime numbers multiplied together.
31213993800 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 31213993800:
23 × 3 × 52 × 11 × 4729393
(2 × 2 × 2 × 3 × 5 × 5 × 11 × 4729393)See below for interesting mathematical facts about the number 31213993800 from the Numbermatics database.
Names of 31213993800
- Cardinal: 31213993800 can be written as Thirty-one billion, two hundred thirteen million, nine hundred ninety-three thousand, eight hundred.
Scientific notation
- Scientific notation: 3.12139938 × 1010
Factors of 31213993800
Divisors of 31213993800
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 20 22 24 25 30 33 40 44 50 55 60 66 75 88 100 110 120 132 150 165 200 220 264 275 300 330 440 550 600 660 825 1100 1320 1650 2200 3300 6600 4729393 9458786 14188179 18917572 23646965 28376358 37835144 47293930 52023323 56752716 70940895 94587860 104046646 113505432 118234825 141881790 156069969 189175720 208093292 236469650 260116615 283763580 312139938 354704475 416186584 472939300 520233230 567527160 624279876 709408950 780349845 945878600 1040466460 1248559752 1300583075 1418817900 1560699690 2080932920 2601166150 2837635800 3121399380 3901749225 5202332300 6242798760 7803498450 10404664600 15606996900 31213993800
- Sum of all divisors σ(n): 105560074080
- Sum of proper divisors (its aliquot sum) s(n): 74346080280
- 31213993800 is an abundant number, because the sum of its proper divisors (74346080280) is greater than itself. Its abundance is 43132086480
Bases of 31213993800
- Binary: 111010001000111111110111111010010002
- Hexadecimal: 0x7447FBF48
- Base-36: EC807RC
Squares and roots of 31213993800
- 31213993800 squared (312139938002) is 974313408946438440000
- 31213993800 cubed (312139938003) is 30412212706110993998241672000000
-
The
square root of 31213993800 is 176674.8250317515 -
The
cube root of 31213993800 is 3148.5924273075
Scales and comparisons
How big is 31213993800?- 31,213,993,800 seconds is equal to 992 years, 26 weeks, 3 days, 1 hour, 50 minutes.
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To count from 1 to 31,213,993,800 would take you about one thousand, nine hundred eighty-five 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 31213993800 cubic inches would be around 262.4 feet tall.
Recreational maths with 31213993800
- 31213993800 backwards is 00839931213
- The number of decimal digits it has is: 11
- The sum of 31213993800's digits is 39
- More coming soon!
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