75420072
75,420,072 is an even composite number composed of five prime numbers multiplied together.
75420072 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 75420072:
23 × 34 × 7 × 13 × 1279
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 7 × 13 × 1279)See below for interesting mathematical facts about the number 75420072 from the Numbermatics database.
Names of 75420072
- Cardinal: 75420072 can be written as Seventy-five million, four hundred twenty thousand and seventy-two.
Scientific notation
- Scientific notation: 7.5420072 × 107
Factors of 75420072
Divisors of 75420072
- Number of divisors d(n): 160
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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 52 54 56 63 72 78 81 84 91 104 108 117 126 156 162 168 182 189 216 234 252 273 312 324 351 364 378 468 504 546 567 648 702 728 756 819 936 1053 1092 1134 1279 1404 1512 1638 2106 2184 2268 2457 2558 2808 3276 3837 4212 4536 4914 5116 6552 7371 7674 8424 8953 9828 10232 11511 14742 15348 16627 17906 19656 23022 26859 29484 30696 33254 34533 35812 46044 49881 53718 58968 66508 69066 71624 80577 92088 99762 103599 107436 116389 133016 138132 149643 161154 199524 207198 214872 232778 241731 276264 299286 322308 349167 399048 414396 448929 465556 483462 598572 644616 698334 725193 828792 897858 931112 966924 1047501 1197144 1346787 1396668 1450386 1795716 1933848 2095002 2693574 2793336 2900772 3142503 3591432 4190004 5387148 5801544 6285006 8380008 9427509 10774296 12570012 18855018 25140024 37710036 75420072
- Sum of all divisors σ(n): 260198400
- Sum of proper divisors (its aliquot sum) s(n): 184778328
- 75420072 is an abundant number, because the sum of its proper divisors (184778328) is greater than itself. Its abundance is 109358256
Bases of 75420072
- Binary: 1000111111011010001101010002
- Hexadecimal: 0x47ED1A8
- Base-36: 18WII0
Squares and roots of 75420072
- 75420072 squared (754200722) is 5688187260485184
- 75420072 cubed (754200723) is 429003492735275332213248
-
The
square root of 75420072 is 8684.4730410083 -
The
cube root of 75420072 is 422.5022060271
Scales and comparisons
How big is 75420072?- 75,420,072 seconds is equal to 2 years, 20 weeks, 4 days, 22 hours, 1 minute, 12 seconds.
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To count from 1 to 75,420,072 would take you about three 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 75420072 cubic inches would be around 35.2 feet tall.
Recreational maths with 75420072
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