85128384
85,128,384 is an even composite number composed of five prime numbers multiplied together.
85128384 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 85128384:
26 × 3 × 11 × 17 × 2371
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 11 × 17 × 2371)See below for interesting mathematical facts about the number 85128384 from the Numbermatics database.
Names of 85128384
- Cardinal: 85128384 can be written as Eighty-five million, one hundred twenty-eight thousand, three hundred eighty-four.
Scientific notation
- Scientific notation: 8.5128384 × 107
Factors of 85128384
Divisors of 85128384
- Number of divisors d(n): 112
-
Complete list of divisors:
1 2 3 4 6 8 11 12 16 17 22 24 32 33 34 44 48 51 64 66 68 88 96 102 132 136 176 187 192 204 264 272 352 374 408 528 544 561 704 748 816 1056 1088 1122 1496 1632 2112 2244 2371 2992 3264 4488 4742 5984 7113 8976 9484 11968 14226 17952 18968 26081 28452 35904 37936 40307 52162 56904 75872 78243 80614 104324 113808 120921 151744 156486 161228 208648 227616 241842 312972 322456 417296 443377 455232 483684 625944 644912 834592 886754 967368 1251888 1289824 1330131 1669184 1773508 1934736 2503776 2579648 2660262 3547016 3869472 5007552 5320524 7094032 7738944 10641048 14188064 21282096 28376128 42564192 85128384
- Sum of all divisors σ(n): 260274816
- Sum of proper divisors (its aliquot sum) s(n): 175146432
- 85128384 is an abundant number, because the sum of its proper divisors (175146432) is greater than itself. Its abundance is 90018048
Bases of 85128384
- Binary: 1010001001011110100110000002
- Hexadecimal: 0x512F4C0
- Base-36: 1EOLHC
Squares and roots of 85128384
- 85128384 squared (851283842) is 7246841762451456
- 85128384 cubed (851283843) is 616911928341204327727104
-
The
square root of 85128384 is 9226.5044301729 -
The
cube root of 85128384 is 439.9042215769
Scales and comparisons
How big is 85128384?- 85,128,384 seconds is equal to 2 years, 36 weeks, 5 days, 6 hours, 46 minutes, 24 seconds.
-
To count from 1 to 85,128,384 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 85128384 cubic inches would be around 36.7 feet tall.
Recreational maths with 85128384
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