85161420
85,161,420 is an even composite number composed of six prime numbers multiplied together.
85161420 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 85161420:
22 × 32 × 5 × 19 × 37 × 673
(2 × 2 × 3 × 3 × 5 × 19 × 37 × 673)See below for interesting mathematical facts about the number 85161420 from the Numbermatics database.
Names of 85161420
- Cardinal: 85161420 can be written as Eighty-five million, one hundred sixty-one thousand, four hundred twenty.
Scientific notation
- Scientific notation: 8.516142 × 107
Factors of 85161420
Divisors of 85161420
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 37 38 45 57 60 74 76 90 95 111 114 148 171 180 185 190 222 228 285 333 342 370 380 444 555 570 666 673 684 703 740 855 1110 1140 1332 1346 1406 1665 1710 2019 2109 2220 2692 2812 3330 3365 3420 3515 4038 4218 6057 6327 6660 6730 7030 8076 8436 10095 10545 12114 12654 12787 13460 14060 20190 21090 24228 24901 25308 25574 30285 31635 38361 40380 42180 49802 51148 60570 63270 63935 74703 76722 99604 115083 121140 124505 126540 127870 149406 153444 191805 224109 230166 249010 255740 298812 373515 383610 448218 460332 473119 498020 575415 747030 767220 896436 946238 1120545 1150830 1419357 1494060 1892476 2241090 2301660 2365595 2838714 4258071 4482180 4731190 5677428 7096785 8516142 9462380 14193570 17032284 21290355 28387140 42580710 85161420
- Sum of all divisors σ(n): 279683040
- Sum of proper divisors (its aliquot sum) s(n): 194521620
- 85161420 is an abundant number, because the sum of its proper divisors (194521620) is greater than itself. Its abundance is 109360200
Bases of 85161420
- Binary: 1010001001101110101110011002
- Hexadecimal: 0x51375CC
- Base-36: 1EPAZ0
Squares and roots of 85161420
- 85161420 squared (851614202) is 7252467456416400
- 85161420 cubed (851614203) is 617630427092208735288000
-
The
square root of 85161420 is 9228.2945336611 -
The
cube root of 85161420 is 439.9611191539
Scales and comparisons
How big is 85161420?- 85,161,420 seconds is equal to 2 years, 36 weeks, 5 days, 15 hours, 57 minutes.
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To count from 1 to 85,161,420 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 85161420 cubic inches would be around 36.7 feet tall.
Recreational maths with 85161420
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