31391769980
31,391,769,980 is an even composite number composed of five prime numbers multiplied together.
31391769980 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 31391769980:
22 × 5 × 19 × 612 × 1492
(2 × 2 × 5 × 19 × 61 × 61 × 149 × 149)See below for interesting mathematical facts about the number 31391769980 from the Numbermatics database.
Names of 31391769980
- Cardinal: 31391769980 can be written as Thirty-one billion, three hundred ninety-one million, seven hundred sixty-nine thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 3.139176998 × 1010
Factors of 31391769980
Divisors of 31391769980
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 4 5 10 19 20 38 61 76 95 122 149 190 244 298 305 380 596 610 745 1159 1220 1490 2318 2831 2980 3721 4636 5662 5795 7442 9089 11324 11590 14155 14884 18178 18605 22201 23180 28310 36356 37210 44402 45445 56620 70699 74420 88804 90890 111005 141398 172691 181780 222010 282796 345382 353495 421819 444020 554429 690764 706990 843638 863455 1108858 1354261 1413980 1687276 1726910 2109095 2217716 2708522 2772145 3453820 4218190 5417044 5544290 6771305 8436380 10534151 11088580 13542610 21068302 25730959 27085220 42136604 51461918 52670755 82609921 102923836 105341510 128654795 165219842 210683020 257309590 330439684 413049605 514619180 826099210 1569588499 1652198420 3139176998 6278353996 7847942495 15695884990 31391769980
- Sum of all divisors σ(n): 71025219720
- Sum of proper divisors (its aliquot sum) s(n): 39633449740
- 31391769980 is an abundant number, because the sum of its proper divisors (39633449740) is greater than itself. Its abundance is 8241679760
Bases of 31391769980
- Binary: 111010011110001100001100101011111002
- Hexadecimal: 0x74F18657C
- Base-36: EF5UKQK
Squares and roots of 31391769980
- 31391769980 squared (313917699802) is 985443222477229200400
- 31391769980 cubed (313917699803) is 30934806968355144846696123992000
-
The
square root of 31391769980 is 177177.2275999373 -
The
cube root of 31391769980 is 3154.5586127583
Scales and comparisons
How big is 31391769980?- 31,391,769,980 seconds is equal to 998 years, 8 weeks, 2 days, 16 hours, 6 minutes, 20 seconds.
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To count from 1 to 31,391,769,980 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 31391769980 cubic inches would be around 262.9 feet tall.
Recreational maths with 31391769980
- 31391769980 backwards is 08996719313
- The number of decimal digits it has is: 11
- The sum of 31391769980's digits is 56
- More coming soon!
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