31138028320
31,138,028,320 is an even composite number composed of four prime numbers multiplied together.
31138028320 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 31138028320:
25 × 5 × 7 × 27801811
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 27801811)See below for interesting mathematical facts about the number 31138028320 from the Numbermatics database.
Names of 31138028320
- Cardinal: 31138028320 can be written as Thirty-one billion, one hundred thirty-eight million, twenty-eight thousand, three hundred twenty.
Scientific notation
- Scientific notation: 3.113802832 × 1010
Factors of 31138028320
Divisors of 31138028320
- Number of divisors d(n): 48
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 27801811 55603622 111207244 139009055 194612677 222414488 278018110 389225354 444828976 556036220 778450708 889657952 973063385 1112072440 1556901416 1946126770 2224144880 3113802832 3892253540 4448289760 6227605664 7784507080 15569014160 31138028320
- Sum of all divisors σ(n): 84072679488
- Sum of proper divisors (its aliquot sum) s(n): 52934651168
- 31138028320 is an abundant number, because the sum of its proper divisors (52934651168) is greater than itself. Its abundance is 21796622848
Bases of 31138028320
- Binary: 111001111111111100010011011001000002
- Hexadecimal: 0x73FF89B20
- Base-36: EAYS0F4
Squares and roots of 31138028320
- 31138028320 squared (311380283202) is 969576807657122022400
- 31138028320 cubed (311380283203) is 30190710095242658383186874368000
-
The
square root of 31138028320 is 176459.7073555321 -
The
cube root of 31138028320 is 3146.0361098469
Scales and comparisons
How big is 31138028320?- 31,138,028,320 seconds is equal to 990 years, 4 weeks, 5 days, 20 hours, 18 minutes, 40 seconds.
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To count from 1 to 31,138,028,320 would take you about one thousand, nine hundred eighty 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 31138028320 cubic inches would be around 262.2 feet tall.
Recreational maths with 31138028320
- 31138028320 backwards is 02382083113
- The number of decimal digits it has is: 11
- The sum of 31138028320's digits is 31
- More coming soon!
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