85155720
85,155,720 is an even composite number composed of six prime numbers multiplied together.
85155720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 85155720:
23 × 3 × 5 × 133 × 17 × 19
(2 × 2 × 2 × 3 × 5 × 13 × 13 × 13 × 17 × 19)See below for interesting mathematical facts about the number 85155720 from the Numbermatics database.
Names of 85155720
- Cardinal: 85155720 can be written as Eighty-five million, one hundred fifty-five thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 8.515572 × 107
Factors of 85155720
Divisors of 85155720
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 17 19 20 24 26 30 34 38 39 40 51 52 57 60 65 68 76 78 85 95 102 104 114 120 130 136 152 156 169 170 190 195 204 221 228 247 255 260 285 312 323 338 340 380 390 408 442 456 494 507 510 520 570 646 663 676 680 741 760 780 845 884 969 988 1014 1020 1105 1140 1235 1292 1326 1352 1482 1560 1615 1690 1768 1938 1976 2028 2040 2197 2210 2280 2470 2535 2584 2652 2873 2964 3211 3230 3315 3380 3705 3876 4056 4199 4394 4420 4845 4940 5070 5304 5746 5928 6422 6460 6591 6630 6760 7410 7752 8398 8619 8788 8840 9633 9690 9880 10140 10985 11492 12597 12844 12920 13182 13260 14365 14820 16055 16796 17238 17576 19266 19380 20280 20995 21970 22984 25194 25688 26364 26520 28730 29640 32110 32955 33592 34476 37349 38532 38760 41743 41990 43095 43940 48165 50388 52728 54587 57460 62985 64220 65910 68952 74698 77064 83486 83980 86190 87880 96330 100776 109174 112047 114920 125229 125970 128440 131820 149396 163761 166972 167960 172380 186745 192660 208715 218348 224094 250458 251940 263640 272935 298792 327522 333944 344760 373490 385320 417430 436696 448188 500916 503880 545870 560235 626145 655044 709631 746980 818805 834860 896376 1001832 1091740 1120470 1252290 1310088 1419262 1493960 1637610 1669720 2128893 2183480 2240940 2504580 2838524 3275220 3548155 4257786 4481880 5009160 5677048 6550440 7096310 8515572 10644465 14192620 17031144 21288930 28385240 42577860 85155720
- Sum of all divisors σ(n): 308448000
- Sum of proper divisors (its aliquot sum) s(n): 223292280
- 85155720 is an abundant number, because the sum of its proper divisors (223292280) is greater than itself. Its abundance is 138136560
Bases of 85155720
- Binary: 1010001001101011111100010002
- Hexadecimal: 0x5135F88
- Base-36: 1EP6KO
Squares and roots of 85155720
- 85155720 squared (851557202) is 7251496648718400
- 85155720 cubed (851557203) is 617506418199202429248000
-
The
square root of 85155720 is 9227.9856956977 -
The
cube root of 85155720 is 439.9513031505
Scales and comparisons
How big is 85155720?- 85,155,720 seconds is equal to 2 years, 36 weeks, 5 days, 14 hours, 22 minutes.
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To count from 1 to 85,155,720 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 85155720 cubic inches would be around 36.7 feet tall.
Recreational maths with 85155720
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