31490393520
31,490,393,520 is an even composite number composed of five prime numbers multiplied together.
31490393520 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 31490393520:
24 × 3 × 5 × 881 × 148933
(2 × 2 × 2 × 2 × 3 × 5 × 881 × 148933)See below for interesting mathematical facts about the number 31490393520 from the Numbermatics database.
Names of 31490393520
- Cardinal: 31490393520 can be written as Thirty-one billion, four hundred ninety million, three hundred ninety-three thousand, five hundred twenty.
Scientific notation
- Scientific notation: 3.149039352 × 1010
Factors of 31490393520
Divisors of 31490393520
- Number of divisors d(n): 80
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 881 1762 2643 3524 4405 5286 7048 8810 10572 13215 14096 17620 21144 26430 35240 42288 52860 70480 105720 148933 211440 297866 446799 595732 744665 893598 1191464 1489330 1787196 2233995 2382928 2978660 3574392 4467990 5957320 7148784 8935980 11914640 17871960 35743920 131209973 262419946 393629919 524839892 656049865 787259838 1049679784 1312099730 1574519676 1968149595 2099359568 2624199460 3149039352 3936299190 5248398920 6298078704 7872598380 10496797840 15745196760 31490393520
- Sum of all divisors σ(n): 97731682272
- Sum of proper divisors (its aliquot sum) s(n): 66241288752
- 31490393520 is an abundant number, because the sum of its proper divisors (66241288752) is greater than itself. Its abundance is 34750895232
Bases of 31490393520
- Binary: 111010101001111100101000101101100002
- Hexadecimal: 0x754F945B0
- Base-36: EGSKF5C
Squares and roots of 31490393520
- 31490393520 squared (314903935202) is 991644884044457990400
- 31490393520 cubed (314903935203) is 31227287630654751292804382208000
-
The
square root of 31490393520 is 177455.3282378413 -
The
cube root of 31490393520 is 3157.8587186617
Scales and comparisons
How big is 31490393520?- 31,490,393,520 seconds is equal to 1,001 years, 15 weeks, 3 days, 3 hours, 32 minutes.
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To count from 1 to 31,490,393,520 would take you about two thousand and 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 31490393520 cubic inches would be around 263.2 feet tall.
Recreational maths with 31490393520
- 31490393520 backwards is 02539309413
- The number of decimal digits it has is: 11
- The sum of 31490393520's digits is 39
- More coming soon!
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