45642492
45,642,492 is an even composite number composed of five prime numbers multiplied together.
45642492 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 45642492:
22 × 32 × 7 × 71 × 2551
(2 × 2 × 3 × 3 × 7 × 71 × 2551)See below for interesting mathematical facts about the number 45642492 from the Numbermatics database.
Names of 45642492
- Cardinal: 45642492 can be written as Forty-five million, six hundred forty-two thousand, four hundred ninety-two.
Scientific notation
- Scientific notation: 4.5642492 × 107
Factors of 45642492
Divisors of 45642492
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 71 84 126 142 213 252 284 426 497 639 852 994 1278 1491 1988 2551 2556 2982 4473 5102 5964 7653 8946 10204 15306 17857 17892 22959 30612 35714 45918 53571 71428 91836 107142 160713 181121 214284 321426 362242 543363 642852 724484 1086726 1267847 1630089 2173452 2535694 3260178 3803541 5071388 6520356 7607082 11410623 15214164 22821246 45642492
- Sum of all divisors σ(n): 133765632
- Sum of proper divisors (its aliquot sum) s(n): 88123140
- 45642492 is an abundant number, because the sum of its proper divisors (88123140) is greater than itself. Its abundance is 42480648
Bases of 45642492
- Binary: 101011100001110010111111002
- Hexadecimal: 0x2B872FC
- Base-36: R69Z0
Squares and roots of 45642492
- 45642492 squared (456424922) is 2083237075970064
- 45642492 cubed (456424923) is 95084131574067038359488
-
The
square root of 45642492 is 6755.9227349045 -
The
cube root of 45642492 is 357.3741340537
Scales and comparisons
How big is 45642492?- 45,642,492 seconds is equal to 1 year, 23 weeks, 3 days, 6 hours, 28 minutes, 12 seconds.
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To count from 1 to 45,642,492 would take you about 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 45642492 cubic inches would be around 29.8 feet tall.
Recreational maths with 45642492
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