85720320
85,720,320 is an even composite number composed of five prime numbers multiplied together.
85720320 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 85720320:
28 × 32 × 5 × 7 × 1063
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 1063)See below for interesting mathematical facts about the number 85720320 from the Numbermatics database.
Names of 85720320
- Cardinal: 85720320 can be written as Eighty-five million, seven hundred twenty thousand, three hundred twenty.
Scientific notation
- Scientific notation: 8.572032 × 107
Factors of 85720320
Divisors of 85720320
- Number of divisors d(n): 216
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 128 140 144 160 168 180 192 210 224 240 252 256 280 288 315 320 336 360 384 420 448 480 504 560 576 630 640 672 720 768 840 896 960 1008 1063 1120 1152 1260 1280 1344 1440 1680 1792 1920 2016 2126 2240 2304 2520 2688 2880 3189 3360 3840 4032 4252 4480 5040 5315 5376 5760 6378 6720 7441 8064 8504 8960 9567 10080 10630 11520 12756 13440 14882 15945 16128 17008 19134 20160 21260 22323 25512 26880 29764 31890 34016 37205 38268 40320 42520 44646 47835 51024 59528 63780 66969 68032 74410 76536 80640 85040 89292 95670 102048 111615 119056 127560 133938 136064 148820 153072 170080 178584 191340 204096 223230 238112 255120 267876 272128 297640 306144 334845 340160 357168 382680 408192 446460 476224 510240 535752 595280 612288 669690 680320 714336 765360 816384 892920 952448 1020480 1071504 1190560 1224576 1339380 1360640 1428672 1530720 1785840 1904896 2040960 2143008 2381120 2449152 2678760 2857344 3061440 3571680 4081920 4286016 4762240 5357520 5714688 6122880 7143360 8572032 9524480 10715040 12245760 14286720 17144064 21430080 28573440 42860160 85720320
- Sum of all divisors σ(n): 339271296
- Sum of proper divisors (its aliquot sum) s(n): 253550976
- 85720320 is an abundant number, because the sum of its proper divisors (253550976) is greater than itself. Its abundance is 167830656
Bases of 85720320
- Binary: 1010001101111111101000000002
- Hexadecimal: 0x51BFD00
- Base-36: 1F1A80
Squares and roots of 85720320
- 85720320 squared (857203202) is 7347973260902400
- 85720320 cubed (857203203) is 629870619275997216768000
-
The
square root of 85720320 is 9258.5268806651 -
The
cube root of 85720320 is 440.9214847803
Scales and comparisons
How big is 85720320?- 85,720,320 seconds is equal to 2 years, 37 weeks, 5 days, 3 hours, 12 minutes.
-
To count from 1 to 85,720,320 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 85720320 cubic inches would be around 36.7 feet tall.
Recreational maths with 85720320
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