31297972320
31,297,972,320 is an even composite number composed of four prime numbers multiplied together.
31297972320 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 31297972320:
25 × 35 × 5 × 804989
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 804989)See below for interesting mathematical facts about the number 31297972320 from the Numbermatics database.
Names of 31297972320
- Cardinal: 31297972320 can be written as Thirty-one billion, two hundred ninety-seven million, nine hundred seventy-two thousand, three hundred twenty.
Scientific notation
- Scientific notation: 3.129797232 × 1010
Factors of 31297972320
Divisors of 31297972320
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 243 270 288 324 360 405 432 480 486 540 648 720 810 864 972 1080 1215 1296 1440 1620 1944 2160 2430 2592 3240 3888 4320 4860 6480 7776 9720 12960 19440 38880 804989 1609978 2414967 3219956 4024945 4829934 6439912 7244901 8049890 9659868 12074835 12879824 14489802 16099780 19319736 21734703 24149670 25759648 28979604 32199560 36224505 38639472 43469406 48299340 57959208 64399120 65204109 72449010 77278944 86938812 96598680 108673515 115918416 128798240 130408218 144898020 173877624 193197360 195612327 217347030 231836832 260816436 289796040 326020545 347755248 386394720 391224654 434694060 521632872 579592080 652041090 695510496 782449308 869388120 978061635 1043265744 1159184160 1304082180 1564898616 1738776240 1956123270 2086531488 2608164360 3129797232 3477552480 3912246540 5216328720 6259594464 7824493080 10432657440 15648986160 31297972320
- Sum of all divisors σ(n): 110760184080
- Sum of proper divisors (its aliquot sum) s(n): 79462211760
- 31297972320 is an abundant number, because the sum of its proper divisors (79462211760) is greater than itself. Its abundance is 48164239440
Bases of 31297972320
- Binary: 111010010011000000100101000011000002
- Hexadecimal: 0x749812860
- Base-36: EDM0600
Squares and roots of 31297972320
- 31297972320 squared (312979723202) is 979563071343486182400
- 31297972320 cubed (312979723203) is 30658337892602615749057671168000
-
The
square root of 31297972320 is 176912.3294742343 -
The
cube root of 31297972320 is 3151.4135696441
Scales and comparisons
How big is 31297972320?- 31,297,972,320 seconds is equal to 995 years, 9 weeks, 2 days, 1 hour, 12 minutes.
-
To count from 1 to 31,297,972,320 would take you about one thousand, nine hundred ninety 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 31297972320 cubic inches would be around 262.6 feet tall.
Recreational maths with 31297972320
- 31297972320 backwards is 02327979213
- 31297972320 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 31297972320's digits is 45
- More coming soon!
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