145338912
145,338,912 is an even composite number composed of five prime numbers multiplied together.
145338912 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 145338912:
25 × 32 × 31 × 73 × 223
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 31 × 73 × 223)See below for interesting mathematical facts about the number 145338912 from the Numbermatics database.
Names of 145338912
- Cardinal: 145338912 can be written as One hundred forty-five million, three hundred thirty-eight thousand, nine hundred twelve.
Scientific notation
- Scientific notation: 1.45338912 × 108
Factors of 145338912
Divisors of 145338912
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 72 73 93 96 124 144 146 186 219 223 248 279 288 292 372 438 446 496 558 584 657 669 744 876 892 992 1116 1168 1314 1338 1488 1752 1784 2007 2232 2263 2336 2628 2676 2976 3504 3568 4014 4464 4526 5256 5352 6789 6913 7008 7136 8028 8928 9052 10512 10704 13578 13826 16056 16279 18104 20367 20739 21024 21408 27156 27652 32112 32558 36208 40734 41478 48837 54312 55304 62217 64224 65116 72416 81468 82956 97674 108624 110608 124434 130232 146511 162936 165912 195348 217248 221216 248868 260464 293022 325872 331824 390696 497736 504649 520928 586044 651744 663648 781392 995472 1009298 1172088 1513947 1562784 1990944 2018596 2344176 3027894 4037192 4541841 4688352 6055788 8074384 9083682 12111576 16148768 18167364 24223152 36334728 48446304 72669456 145338912
- Sum of all divisors σ(n): 434423808
- Sum of proper divisors (its aliquot sum) s(n): 289084896
- 145338912 is an abundant number, because the sum of its proper divisors (289084896) is greater than itself. Its abundance is 143745984
Bases of 145338912
- Binary: 10001010100110110010001000002
- Hexadecimal: 0x8A9B220
- Base-36: 2EJ480
Squares and roots of 145338912
- 145338912 squared (1453389122) is 21123399341343744
- 145338912 cubed (1453389123) is 3070051878012416370966528
-
The
square root of 145338912 is 12055.6589201917 -
The
cube root of 145338912 is 525.7677800233
Scales and comparisons
How big is 145338912?- 145,338,912 seconds is equal to 4 years, 32 weeks, 2 days, 3 hours, 55 minutes, 12 seconds.
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To count from 1 to 145,338,912 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 145338912 cubic inches would be around 43.8 feet tall.
Recreational maths with 145338912
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