145253472
145,253,472 is an even composite number composed of five prime numbers multiplied together.
145253472 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 145253472:
25 × 3 × 7 × 132 × 1279
(2 × 2 × 2 × 2 × 2 × 3 × 7 × 13 × 13 × 1279)See below for interesting mathematical facts about the number 145253472 from the Numbermatics database.
Names of 145253472
- Cardinal: 145253472 can be written as One hundred forty-five million, two hundred fifty-three thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 1.45253472 × 108
Factors of 145253472
Divisors of 145253472
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 78 84 91 96 104 112 156 168 169 182 208 224 273 312 336 338 364 416 507 546 624 672 676 728 1014 1092 1183 1248 1279 1352 1456 2028 2184 2366 2558 2704 2912 3549 3837 4056 4368 4732 5116 5408 7098 7674 8112 8736 8953 9464 10232 14196 15348 16224 16627 17906 18928 20464 26859 28392 30696 33254 35812 37856 40928 49881 53718 56784 61392 66508 71624 99762 107436 113568 116389 122784 133016 143248 199524 214872 216151 232778 266032 286496 349167 399048 429744 432302 465556 532064 648453 698334 798096 859488 864604 931112 1296906 1396668 1513057 1596192 1729208 1862224 2593812 2793336 3026114 3458416 3724448 4539171 5187624 5586672 6052228 6916832 9078342 10375248 11173344 12104456 18156684 20750496 24208912 36313368 48417824 72626736 145253472
- Sum of all divisors σ(n): 472227840
- Sum of proper divisors (its aliquot sum) s(n): 326974368
- 145253472 is an abundant number, because the sum of its proper divisors (326974368) is greater than itself. Its abundance is 181720896
Bases of 145253472
- Binary: 10001010100001100100011000002
- Hexadecimal: 0x8A86460
- Base-36: 2EHAAO
Squares and roots of 145253472
- 145253472 squared (1452534722) is 21098571128054784
- 145253472 cubed (1452534723) is 3064640710588913982210048
-
The
square root of 145253472 is 12052.1148351649 -
The
cube root of 145253472 is 525.6647325921
Scales and comparisons
How big is 145253472?- 145,253,472 seconds is equal to 4 years, 32 weeks, 1 day, 4 hours, 11 minutes, 12 seconds.
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To count from 1 to 145,253,472 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 145253472 cubic inches would be around 43.8 feet tall.
Recreational maths with 145253472
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