82089945
82,089,945 is an odd composite number composed of five prime numbers multiplied together.
82089945 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 82089945:
32 × 5 × 72 × 59 × 631
(3 × 3 × 5 × 7 × 7 × 59 × 631)See below for interesting mathematical facts about the number 82089945 from the Numbermatics database.
Names of 82089945
- Cardinal: 82089945 can be written as Eighty-two million, eighty-nine thousand, nine hundred forty-five.
Scientific notation
- Scientific notation: 8.2089945 × 107
Factors of 82089945
Divisors of 82089945
- Number of divisors d(n): 72
-
Complete list of divisors:
1 3 5 7 9 15 21 35 45 49 59 63 105 147 177 245 295 315 413 441 531 631 735 885 1239 1893 2065 2205 2655 2891 3155 3717 4417 5679 6195 8673 9465 13251 14455 18585 22085 26019 28395 30919 37229 39753 43365 66255 92757 111687 130095 154595 186145 198765 260603 278271 335061 463785 558435 781809 1303015 1391355 1675305 1824221 2345427 3909045 5472663 9121105 11727135 16417989 27363315 82089945
- Sum of all divisors σ(n): 168592320
- Sum of proper divisors (its aliquot sum) s(n): 86502375
- 82089945 is an abundant number, because the sum of its proper divisors (86502375) is greater than itself. Its abundance is 4412430
Bases of 82089945
- Binary: 1001110010010010111110110012
- Hexadecimal: 0x4E497D9
- Base-36: 1CVH09
Squares and roots of 82089945
- 82089945 squared (820899452) is 6738759070103025
- 82089945 cubed (820899453) is 553184361433008466583625
-
The
square root of 82089945 is 9060.3501587965 -
The
cube root of 82089945 is 434.6069378449
Scales and comparisons
How big is 82089945?- 82,089,945 seconds is equal to 2 years, 31 weeks, 5 days, 2 hours, 45 minutes, 45 seconds.
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To count from 1 to 82,089,945 would take you about three 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 82089945 cubic inches would be around 36.2 feet tall.
Recreational maths with 82089945
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