85138560
85,138,560 is an even composite number composed of five prime numbers multiplied together.
85138560 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 85138560:
27 × 33 × 5 × 13 × 379
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 13 × 379)See below for interesting mathematical facts about the number 85138560 from the Numbermatics database.
Names of 85138560
- Cardinal: 85138560 can be written as Eighty-five million, one hundred thirty-eight thousand, five hundred sixty.
Scientific notation
- Scientific notation: 8.513856 × 107
Factors of 85138560
Divisors of 85138560
- Number of divisors d(n): 256
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 64 65 72 78 80 90 96 104 108 117 120 128 130 135 144 156 160 180 192 195 208 216 234 240 260 270 288 312 320 351 360 379 384 390 416 432 468 480 520 540 576 585 624 640 702 720 758 780 832 864 936 960 1040 1080 1137 1152 1170 1248 1404 1440 1516 1560 1664 1728 1755 1872 1895 1920 2080 2160 2274 2340 2496 2808 2880 3032 3120 3411 3456 3510 3744 3790 4160 4320 4548 4680 4927 4992 5616 5685 5760 6064 6240 6822 7020 7488 7580 8320 8640 9096 9360 9854 10233 11232 11370 12128 12480 13644 14040 14781 14976 15160 17055 17280 18192 18720 19708 20466 22464 22740 24256 24635 24960 27288 28080 29562 30320 34110 36384 37440 39416 40932 44343 44928 45480 48512 49270 51165 54576 56160 59124 60640 68220 72768 73905 74880 78832 81864 88686 90960 98540 102330 109152 112320 118248 121280 133029 136440 145536 147810 157664 163728 177372 181920 197080 204660 218304 221715 224640 236496 242560 266058 272880 295620 315328 327456 354744 363840 394160 409320 436608 443430 472992 532116 545760 591240 630656 654912 665145 709488 727680 788320 818640 886860 945984 1064232 1091520 1182480 1309824 1330290 1418976 1576640 1637280 1773720 1891968 2128464 2183040 2364960 2660580 2837952 3153280 3274560 3547440 4256928 4729920 5321160 5675904 6549120 7094880 8513856 9459840 10642320 14189760 17027712 21284640 28379520 42569280 85138560
- Sum of all divisors σ(n): 325584000
- Sum of proper divisors (its aliquot sum) s(n): 240445440
- 85138560 is an abundant number, because the sum of its proper divisors (240445440) is greater than itself. Its abundance is 155306880
Bases of 85138560
- Binary: 1010001001100011100100000002
- Hexadecimal: 0x5131C80
- Base-36: 1EOTC0
Squares and roots of 85138560
- 85138560 squared (851385602) is 7248574398873600
- 85138560 cubed (851385603) is 617133186372963926016000
-
The
square root of 85138560 is 9227.0558684773 -
The
cube root of 85138560 is 439.9217491699
Scales and comparisons
How big is 85138560?- 85,138,560 seconds is equal to 2 years, 36 weeks, 5 days, 9 hours, 36 minutes.
-
To count from 1 to 85,138,560 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 85138560 cubic inches would be around 36.7 feet tall.
Recreational maths with 85138560
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