85155140
85,155,140 is an even composite number composed of five prime numbers multiplied together.
85155140 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 85155140:
22 × 5 × 72 × 31 × 2803
(2 × 2 × 5 × 7 × 7 × 31 × 2803)See below for interesting mathematical facts about the number 85155140 from the Numbermatics database.
Names of 85155140
- Cardinal: 85155140 can be written as Eighty-five million, one hundred fifty-five thousand, one hundred forty.
Scientific notation
- Scientific notation: 8.515514 × 107
Factors of 85155140
Divisors of 85155140
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 7 10 14 20 28 31 35 49 62 70 98 124 140 155 196 217 245 310 434 490 620 868 980 1085 1519 2170 2803 3038 4340 5606 6076 7595 11212 14015 15190 19621 28030 30380 39242 56060 78484 86893 98105 137347 173786 196210 274694 347572 392420 434465 549388 608251 686735 868930 1216502 1373470 1737860 2433004 2746940 3041255 4257757 6082510 8515514 12165020 17031028 21288785 42577570 85155140
- Sum of all divisors σ(n): 214808832
- Sum of proper divisors (its aliquot sum) s(n): 129653692
- 85155140 is an abundant number, because the sum of its proper divisors (129653692) is greater than itself. Its abundance is 44498552
Bases of 85155140
- Binary: 1010001001101011101010001002
- Hexadecimal: 0x5135D44
- Base-36: 1EP64K
Squares and roots of 85155140
- 85155140 squared (851551402) is 7251397868419600
- 85155140 cubed (851551403) is 617493800680972616744000
-
The
square root of 85155140 is 9227.9542695009 -
The
cube root of 85155140 is 439.9503043047
Scales and comparisons
How big is 85155140?- 85,155,140 seconds is equal to 2 years, 36 weeks, 5 days, 14 hours, 12 minutes, 20 seconds.
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To count from 1 to 85,155,140 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 85155140 cubic inches would be around 36.7 feet tall.
Recreational maths with 85155140
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The information we have on file for 85155140 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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