31380208750
31,380,208,750 is an even composite number composed of five prime numbers multiplied together.
31380208750 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 31380208750:
2 × 54 × 11 × 37 × 61681
(2 × 5 × 5 × 5 × 5 × 11 × 37 × 61681)See below for interesting mathematical facts about the number 31380208750 from the Numbermatics database.
Names of 31380208750
- Cardinal: 31380208750 can be written as Thirty-one billion, three hundred eighty million, two hundred eight thousand, seven hundred fifty.
Scientific notation
- Scientific notation: 3.138020875 × 1010
Factors of 31380208750
Divisors of 31380208750
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 5 10 11 22 25 37 50 55 74 110 125 185 250 275 370 407 550 625 814 925 1250 1375 1850 2035 2750 4070 4625 6875 9250 10175 13750 20350 23125 46250 50875 61681 101750 123362 254375 308405 508750 616810 678491 1356982 1542025 2282197 3084050 3392455 4564394 6784910 7710125 11410985 15420250 16962275 22821970 25104167 33924550 38550625 50208334 57054925 77101250 84811375 114109850 125520835 169622750 251041670 285274625 424056875 570549250 627604175 848113750 1255208350 1426373125 2852746250 3138020875 6276041750 15690104375 31380208750
- Sum of all divisors σ(n): 65901542256
- Sum of proper divisors (its aliquot sum) s(n): 34521333506
- 31380208750 is an abundant number, because the sum of its proper divisors (34521333506) is greater than itself. Its abundance is 3141124756
Bases of 31380208750
- Binary: 111010011100110011111111100011011102
- Hexadecimal: 0x74E67FC6E
- Base-36: EEYYS1A
Squares and roots of 31380208750
- 31380208750 squared (313802087502) is 984717501193576562500
- 31380208750 cubed (313802087503) is 30900640747232806690357421875000
-
The
square root of 31380208750 is 177144.5984217413 -
The
cube root of 31380208750 is 3154.1713025831
Scales and comparisons
How big is 31380208750?- 31,380,208,750 seconds is equal to 997 years, 41 weeks, 1 day, 20 hours, 39 minutes, 10 seconds.
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To count from 1 to 31,380,208,750 would take you about one thousand, nine hundred ninety-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 31380208750 cubic inches would be around 262.8 feet tall.
Recreational maths with 31380208750
- 31380208750 backwards is 05780208313
- 31380208750 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 31380208750's digits is 37
- More coming soon!
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