145315728
145,315,728 is an even composite number composed of five prime numbers multiplied together.
145315728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 145315728:
24 × 33 × 17 × 47 × 421
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 17 × 47 × 421)See below for interesting mathematical facts about the number 145315728 from the Numbermatics database.
Names of 145315728
- Cardinal: 145315728 can be written as One hundred forty-five million, three hundred fifteen thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.45315728 × 108
Factors of 145315728
Divisors of 145315728
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 47 48 51 54 68 72 94 102 108 136 141 144 153 188 204 216 272 282 306 376 408 421 423 432 459 564 612 752 799 816 842 846 918 1128 1224 1263 1269 1598 1684 1692 1836 2256 2397 2448 2526 2538 3196 3368 3384 3672 3789 4794 5052 5076 6392 6736 6768 7157 7191 7344 7578 9588 10104 10152 11367 12784 14314 14382 15156 19176 19787 20208 20304 21471 21573 22734 28628 28764 30312 38352 39574 42942 43146 45468 57256 57528 59361 60624 64413 79148 85884 86292 90936 114512 115056 118722 128826 158296 171768 172584 178083 181872 193239 237444 257652 316592 336379 343536 345168 356166 386478 474888 515304 534249 672758 712332 772956 949776 1009137 1030608 1068498 1345516 1424664 1545912 2018274 2136996 2691032 2849328 3027411 3091824 4036548 4273992 5382064 6054822 8073096 8547984 9082233 12109644 16146192 18164466 24219288 36328932 48438576 72657864 145315728
- Sum of all divisors σ(n): 452113920
- Sum of proper divisors (its aliquot sum) s(n): 306798192
- 145315728 is an abundant number, because the sum of its proper divisors (306798192) is greater than itself. Its abundance is 161482464
Bases of 145315728
- Binary: 10001010100101010111100100002
- Hexadecimal: 0x8A95790
- Base-36: 2EIMC0
Squares and roots of 145315728
- 145315728 squared (1453157282) is 21116660804169984
- 145315728 cubed (1453157283) is 3068582937687026660708352
-
The
square root of 145315728 is 12054.6973417005 -
The
cube root of 145315728 is 525.7398222697
Scales and comparisons
How big is 145315728?- 145,315,728 seconds is equal to 4 years, 32 weeks, 1 day, 21 hours, 28 minutes, 48 seconds.
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To count from 1 to 145,315,728 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 145315728 cubic inches would be around 43.8 feet tall.
Recreational maths with 145315728
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The information we have on file for 145315728 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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