145731456
145,731,456 is an even composite number composed of five prime numbers multiplied together.
145731456 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 145731456:
27 × 32 × 13 × 37 × 263
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 37 × 263)See below for interesting mathematical facts about the number 145731456 from the Numbermatics database.
Names of 145731456
- Cardinal: 145731456 can be written as One hundred forty-five million, seven hundred thirty-one thousand, four hundred fifty-six.
Scientific notation
- Scientific notation: 1.45731456 × 108
Factors of 145731456
Divisors of 145731456
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 37 39 48 52 64 72 74 78 96 104 111 117 128 144 148 156 192 208 222 234 263 288 296 312 333 384 416 444 468 481 526 576 592 624 666 789 832 888 936 962 1052 1152 1184 1248 1332 1443 1578 1664 1776 1872 1924 2104 2367 2368 2496 2664 2886 3156 3419 3552 3744 3848 4208 4329 4734 4736 4992 5328 5772 6312 6838 7104 7488 7696 8416 8658 9468 9731 10257 10656 11544 12624 13676 14208 14976 15392 16832 17316 18936 19462 20514 21312 23088 25248 27352 29193 30771 30784 33664 34632 37872 38924 41028 42624 46176 50496 54704 58386 61542 61568 69264 75744 77848 82056 87579 92352 100992 109408 116772 123084 126503 138528 151488 155696 164112 175158 184704 218816 233544 246168 253006 277056 302976 311392 328224 350316 379509 437632 467088 492336 506012 554112 622784 656448 700632 759018 934176 984672 1012024 1138527 1245568 1312896 1401264 1518036 1868352 1969344 2024048 2277054 2802528 3036072 3736704 3938688 4048096 4554108 5605056 6072144 8096192 9108216 11210112 12144288 16192384 18216432 24288576 36432864 48577152 72865728 145731456
- Sum of all divisors σ(n): 465585120
- Sum of proper divisors (its aliquot sum) s(n): 319853664
- 145731456 is an abundant number, because the sum of its proper divisors (319853664) is greater than itself. Its abundance is 174122208
Bases of 145731456
- Binary: 10001010111110101111100000002
- Hexadecimal: 0x8AFAF80
- Base-36: 2ERJ40
Squares and roots of 145731456
- 145731456 squared (1457314562) is 21237657267879936
- 145731456 cubed (1457314563) is 3094994715677125106466816
-
The
square root of 145731456 is 12071.9284292113 -
The
cube root of 145731456 is 526.2407009903
Scales and comparisons
How big is 145731456?- 145,731,456 seconds is equal to 4 years, 32 weeks, 6 days, 16 hours, 57 minutes, 36 seconds.
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To count from 1 to 145,731,456 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 145731456 cubic inches would be around 43.9 feet tall.
Recreational maths with 145731456
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