87420320
87,420,320 is an even composite number composed of five prime numbers multiplied together.
87420320 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 87420320:
25 × 5 × 132 × 53 × 61
(2 × 2 × 2 × 2 × 2 × 5 × 13 × 13 × 53 × 61)See below for interesting mathematical facts about the number 87420320 from the Numbermatics database.
Names of 87420320
- Cardinal: 87420320 can be written as Eighty-seven million, four hundred twenty thousand, three hundred twenty.
Scientific notation
- Scientific notation: 8.742032 × 107
Factors of 87420320
Divisors of 87420320
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 32 40 52 53 61 65 80 104 106 122 130 160 169 208 212 244 260 265 305 338 416 424 488 520 530 610 676 689 793 845 848 976 1040 1060 1220 1352 1378 1586 1690 1696 1952 2080 2120 2440 2704 2756 3172 3233 3380 3445 3965 4240 4880 5408 5512 6344 6466 6760 6890 7930 8480 8957 9760 10309 11024 12688 12932 13520 13780 15860 16165 17914 20618 22048 25376 25864 27040 27560 31720 32330 35828 41236 42029 44785 51545 51728 55120 63440 64660 71656 82472 84058 89570 103090 103456 110240 126880 129320 143312 164944 168116 179140 206180 210145 258640 286624 329888 336232 358280 412360 420290 517280 546377 672464 716560 824720 840580 1092754 1344928 1433120 1649440 1681160 2185508 2731885 3362320 4371016 5463770 6724640 8742032 10927540 17484064 21855080 43710160 87420320
- Sum of all divisors σ(n): 231594552
- Sum of proper divisors (its aliquot sum) s(n): 144174232
- 87420320 is an abundant number, because the sum of its proper divisors (144174232) is greater than itself. Its abundance is 56753912
Bases of 87420320
- Binary: 1010011010111101101101000002
- Hexadecimal: 0x535EDA0
- Base-36: 1G1PY8
Squares and roots of 87420320
- 87420320 squared (874203202) is 7642312348902400
- 87420320 cubed (874203203) is 668093391080999456768000
-
The
square root of 87420320 is 9349.8834217331 -
The
cube root of 87420320 is 443.8172014869
Scales and comparisons
How big is 87420320?- 87,420,320 seconds is equal to 2 years, 40 weeks, 3 days, 19 hours, 25 minutes, 20 seconds.
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To count from 1 to 87,420,320 would take you about four 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 87420320 cubic inches would be around 37 feet tall.
Recreational maths with 87420320
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