145271472
145,271,472 is an even composite number composed of five prime numbers multiplied together.
145271472 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 145271472:
24 × 3 × 37 × 157 × 521
(2 × 2 × 2 × 2 × 3 × 37 × 157 × 521)See below for interesting mathematical facts about the number 145271472 from the Numbermatics database.
Names of 145271472
- Cardinal: 145271472 can be written as One hundred forty-five million, two hundred seventy-one thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 1.45271472 × 108
Factors of 145271472
Divisors of 145271472
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 6 8 12 16 24 37 48 74 111 148 157 222 296 314 444 471 521 592 628 888 942 1042 1256 1563 1776 1884 2084 2512 3126 3768 4168 5809 6252 7536 8336 11618 12504 17427 19277 23236 25008 34854 38554 46472 57831 69708 77108 81797 92944 115662 139416 154216 163594 231324 245391 278832 308432 327188 462648 490782 654376 925296 981564 1308752 1963128 3026489 3926256 6052978 9079467 12105956 18158934 24211912 36317868 48423824 72635736 145271472
- Sum of all divisors σ(n): 388626912
- Sum of proper divisors (its aliquot sum) s(n): 243355440
- 145271472 is an abundant number, because the sum of its proper divisors (243355440) is greater than itself. Its abundance is 98083968
Bases of 145271472
- Binary: 10001010100010101010101100002
- Hexadecimal: 0x8A8AAB0
- Base-36: 2EHO6O
Squares and roots of 145271472
- 145271472 squared (1452714722) is 21103800577046784
- 145271472 cubed (1452714723) is 3065780174622035724546048
-
The
square root of 145271472 is 12052.8615689389 -
The
cube root of 145271472 is 525.6864453819
Scales and comparisons
How big is 145271472?- 145,271,472 seconds is equal to 4 years, 32 weeks, 1 day, 9 hours, 11 minutes, 12 seconds.
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To count from 1 to 145,271,472 would take you about six 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 145271472 cubic inches would be around 43.8 feet tall.
Recreational maths with 145271472
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