31494978242
31,494,978,242 is an even composite number composed of four prime numbers multiplied together.
31494978242 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety divisors.
Prime factorization of 31494978242:
2 × 74 × 132 × 1972
(2 × 7 × 7 × 7 × 7 × 13 × 13 × 197 × 197)See below for interesting mathematical facts about the number 31494978242 from the Numbermatics database.
Names of 31494978242
- Cardinal: 31494978242 can be written as Thirty-one billion, four hundred ninety-four million, nine hundred seventy-eight thousand, two hundred forty-two.
Scientific notation
- Scientific notation: 3.1494978242 × 1010
Factors of 31494978242
Divisors of 31494978242
- Number of divisors d(n): 90
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Complete list of divisors:
1 2 7 13 14 26 49 91 98 169 182 197 338 343 394 637 686 1183 1274 1379 2366 2401 2561 2758 4459 4802 5122 8281 8918 9653 16562 17927 19306 31213 33293 35854 38809 57967 62426 66586 67571 77618 115934 125489 135142 233051 250978 271663 405769 466102 472997 504517 543326 811538 878423 945994 1009034 1631357 1756846 1901641 3262714 3531619 3803282 6148961 6558721 7063238 11419499 12297922 13117442 13311487 22838998 24721333 26622974 45911047 49442666 79936493 91822094 93180409 159872986 173049331 186360818 321377329 346098662 642754658 1211345317 2249641303 2422690634 4499282606 15747489121 31494978242
- Sum of all divisors σ(n): 59982975243
- Sum of proper divisors (its aliquot sum) s(n): 28487997001
- 31494978242 is a deficient number, because the sum of its proper divisors (28487997001) is less than itself. Its deficiency is 3006981241
Bases of 31494978242
- Binary: 111010101010011111100111010110000102
- Hexadecimal: 0x7553F3AC2
- Base-36: EGVAOQQ
Squares and roots of 31494978242
- 31494978242 squared (314949782422) is 991933654464053410564
- 31494978242 cubed (314949782423) is 31240928864852908336839072948488
-
The
square root of 31494978242 is 177468.2457286373 -
The
cube root of 31494978242 is 3158.0119632987
Scales and comparisons
How big is 31494978242?- 31,494,978,242 seconds is equal to 1,001 years, 23 weeks, 5 hours, 4 minutes, 2 seconds.
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To count from 1 to 31,494,978,242 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 31494978242 cubic inches would be around 263.2 feet tall.
Recreational maths with 31494978242
- 31494978242 backwards is 24287949413
- The number of decimal digits it has is: 11
- The sum of 31494978242's digits is 53
- More coming soon!
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