31212810420
31,212,810,420 is an even composite number composed of five prime numbers multiplied together.
31212810420 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 31212810420:
22 × 3 × 5 × 11 × 47292137
(2 × 2 × 3 × 5 × 11 × 47292137)See below for interesting mathematical facts about the number 31212810420 from the Numbermatics database.
Names of 31212810420
- Cardinal: 31212810420 can be written as Thirty-one billion, two hundred twelve million, eight hundred ten thousand, four hundred twenty.
Scientific notation
- Scientific notation: 3.121281042 × 1010
Factors of 31212810420
Divisors of 31212810420
- Number of divisors d(n): 48
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Complete list of divisors:
1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 47292137 94584274 141876411 189168548 236460685 283752822 472921370 520213507 567505644 709382055 945842740 1040427014 1418764110 1560640521 2080854028 2601067535 2837528220 3121281042 5202135070 6242562084 7803202605 10404270140 15606405210 31212810420
- Sum of all divisors σ(n): 95340950208
- Sum of proper divisors (its aliquot sum) s(n): 64128139788
- 31212810420 is an abundant number, because the sum of its proper divisors (64128139788) is greater than itself. Its abundance is 32915329368
Bases of 31212810420
- Binary: 111010001000110110110110000101101002
- Hexadecimal: 0x7446DB0B4
- Base-36: EC7AUNO
Squares and roots of 31212810420
- 31212810420 squared (312128104202) is 974239534314860576400
- 31212810420 cubed (312128104203) is 30408753888238827759905126088000
-
The
square root of 31212810420 is 176671.4759659859 -
The
cube root of 31212810420 is 3148.5526371583
Scales and comparisons
How big is 31212810420?- 31,212,810,420 seconds is equal to 992 years, 24 weeks, 3 days, 9 hours, 7 minutes.
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To count from 1 to 31,212,810,420 would take you about one thousand, nine hundred eighty-four 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 31212810420 cubic inches would be around 262.4 feet tall.
Recreational maths with 31212810420
- 31212810420 backwards is 02401821213
- The number of decimal digits it has is: 11
- The sum of 31212810420's digits is 24
- More coming soon!
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