85163820
85,163,820 is an even composite number composed of six prime numbers multiplied together.
85163820 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 85163820:
22 × 3 × 5 × 7 × 312 × 211
(2 × 2 × 3 × 5 × 7 × 31 × 31 × 211)See below for interesting mathematical facts about the number 85163820 from the Numbermatics database.
Names of 85163820
- Cardinal: 85163820 can be written as Eighty-five million, one hundred sixty-three thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 8.516382 × 107
Factors of 85163820
Divisors of 85163820
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 31 35 42 60 62 70 84 93 105 124 140 155 186 210 211 217 310 372 420 422 434 465 620 633 651 844 868 930 961 1055 1085 1266 1302 1477 1860 1922 2110 2170 2532 2604 2883 2954 3165 3255 3844 4220 4340 4431 4805 5766 5908 6330 6510 6541 6727 7385 8862 9610 11532 12660 13020 13082 13454 14415 14770 17724 19220 19623 20181 22155 26164 26908 28830 29540 32705 33635 39246 40362 44310 45787 57660 65410 67270 78492 80724 88620 91574 98115 100905 130820 134540 137361 183148 196230 201810 202771 228935 274722 392460 403620 405542 457870 549444 608313 686805 811084 915740 1013855 1216626 1373610 1419397 2027710 2433252 2747220 2838794 3041565 4055420 4258191 5677588 6083130 7096985 8516382 12166260 14193970 17032764 21290955 28387940 42581910 85163820
- Sum of all divisors σ(n): 282933504
- Sum of proper divisors (its aliquot sum) s(n): 197769684
- 85163820 is an abundant number, because the sum of its proper divisors (197769684) is greater than itself. Its abundance is 112605864
Bases of 85163820
- Binary: 1010001001101111111001011002
- Hexadecimal: 0x5137F2C
- Base-36: 1EPCTO
Squares and roots of 85163820
- 85163820 squared (851638202) is 7252876236992400
- 85163820 cubed (851638203) is 617682646329498094968000
-
The
square root of 85163820 is 9228.4245676063 -
The
cube root of 85163820 is 439.9652520769
Scales and comparisons
How big is 85163820?- 85,163,820 seconds is equal to 2 years, 36 weeks, 5 days, 16 hours, 37 minutes.
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To count from 1 to 85,163,820 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 85163820 cubic inches would be around 36.7 feet tall.
Recreational maths with 85163820
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