12520872
12,520,872 is an even composite number composed of four prime numbers multiplied together.
12520872 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 12520872:
23 × 33 × 73 × 132
(2 × 2 × 2 × 3 × 3 × 3 × 7 × 7 × 7 × 13 × 13)See below for interesting mathematical facts about the number 12520872 from the Numbermatics database.
Names of 12520872
- Cardinal: 12520872 can be written as Twelve million, five hundred twenty thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.2520872 × 107
Factors of 12520872
Divisors of 12520872
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 27 28 36 39 42 49 52 54 56 63 72 78 84 91 98 104 108 117 126 147 156 168 169 182 189 196 216 234 252 273 294 312 338 343 351 364 378 392 441 468 504 507 546 588 637 676 686 702 728 756 819 882 936 1014 1029 1092 1176 1183 1274 1323 1352 1372 1404 1512 1521 1638 1764 1911 2028 2058 2184 2366 2457 2548 2646 2744 2808 3042 3087 3276 3528 3549 3822 4056 4116 4459 4563 4732 4914 5096 5292 5733 6084 6174 6552 7098 7644 8232 8281 8918 9126 9261 9464 9828 10584 10647 11466 12168 12348 13377 14196 15288 16562 17199 17836 18252 18522 19656 21294 22932 24696 24843 26754 28392 31941 33124 34398 35672 36504 37044 40131 42588 45864 49686 53508 57967 63882 66248 68796 74088 74529 80262 85176 99372 107016 115934 120393 127764 137592 149058 160524 173901 198744 223587 231868 240786 255528 298116 321048 347802 447174 463736 481572 521703 596232 695604 894348 963144 1043406 1391208 1565109 1788696 2086812 3130218 4173624 6260436 12520872
- Sum of all divisors σ(n): 43920000
- Sum of proper divisors (its aliquot sum) s(n): 31399128
- 12520872 is an abundant number, because the sum of its proper divisors (31399128) is greater than itself. Its abundance is 18878256
Bases of 12520872
- Binary: 1011111100001101101010002
- Hexadecimal: 0xBF0DA8
- Base-36: 7GD60
Squares and roots of 12520872
- 12520872 squared (125208722) is 156772235640384
- 12520872 cubed (125208723) is 1962925095607086094848
-
The
square root of 12520872 is 3538.4844213307 -
The
cube root of 12520872 is 232.2085421745
Scales and comparisons
How big is 12520872?- 12,520,872 seconds is equal to 20 weeks, 4 days, 22 hours, 1 minute, 12 seconds.
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To count from 1 to 12,520,872 would take you about thirty-one weeks!
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 12520872 cubic inches would be around 19.4 feet tall.
Recreational maths with 12520872
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