145149732
145,149,732 is an even composite number composed of five prime numbers multiplied together.
145149732 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 145149732:
22 × 36 × 7 × 13 × 547
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 13 × 547)See below for interesting mathematical facts about the number 145149732 from the Numbermatics database.
Names of 145149732
- Cardinal: 145149732 can be written as One hundred forty-five million, one hundred forty-nine thousand, seven hundred thirty-two.
Scientific notation
- Scientific notation: 1.45149732 × 108
Factors of 145149732
Divisors of 145149732
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 54 63 78 81 84 91 108 117 126 156 162 182 189 234 243 252 273 324 351 364 378 468 486 546 547 567 702 729 756 819 972 1053 1092 1094 1134 1404 1458 1638 1641 1701 2106 2188 2268 2457 2916 3159 3276 3282 3402 3829 4212 4914 4923 5103 6318 6564 6804 7111 7371 7658 9477 9828 9846 10206 11487 12636 14222 14742 14769 15316 18954 19692 20412 21333 22113 22974 28444 29484 29538 34461 37908 42666 44226 44307 45948 49777 59076 63999 66339 68922 85332 88452 88614 99554 103383 127998 132678 132921 137844 149331 177228 191997 199108 206766 255996 265356 265842 298662 310149 383994 398763 413532 447993 531684 575991 597324 620298 767988 797526 895986 930447 1151982 1240596 1343979 1595052 1727973 1791972 1860894 2303964 2687958 2791341 3455946 3721788 4031937 5183919 5375916 5582682 6911892 8063874 10367838 11165364 12095811 16127748 20735676 24191622 36287433 48383244 72574866 145149732
- Sum of all divisors σ(n): 469587776
- Sum of proper divisors (its aliquot sum) s(n): 324438044
- 145149732 is an abundant number, because the sum of its proper divisors (324438044) is greater than itself. Its abundance is 179288312
Bases of 145149732
- Binary: 10001010011011001111001001002
- Hexadecimal: 0x8A6CF24
- Base-36: 2EF290
Squares and roots of 145149732
- 145149732 squared (1451497322) is 21068444699671824
- 145149732 cubed (1451497323) is 3058079101814185741551168
-
The
square root of 145149732 is 12047.8102574701 -
The
cube root of 145149732 is 525.5395595729
Scales and comparisons
How big is 145149732?- 145,149,732 seconds is equal to 4 years, 31 weeks, 6 days, 23 hours, 22 minutes, 12 seconds.
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To count from 1 to 145,149,732 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 145149732 cubic inches would be around 43.8 feet tall.
Recreational maths with 145149732
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