84131840
84,131,840 is an even composite number composed of four prime numbers multiplied together.
84131840 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 84131840:
214 × 5 × 13 × 79
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 79)See below for interesting mathematical facts about the number 84131840 from the Numbermatics database.
Names of 84131840
- Cardinal: 84131840 can be written as Eighty-four million, one hundred thirty-one thousand, eight hundred forty.
Scientific notation
- Scientific notation: 8.413184 × 107
Factors of 84131840
Divisors of 84131840
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 79 80 104 128 130 158 160 208 256 260 316 320 395 416 512 520 632 640 790 832 1024 1027 1040 1264 1280 1580 1664 2048 2054 2080 2528 2560 3160 3328 4096 4108 4160 5056 5120 5135 6320 6656 8192 8216 8320 10112 10240 10270 12640 13312 16384 16432 16640 20224 20480 20540 25280 26624 32864 33280 40448 40960 41080 50560 53248 65728 66560 80896 81920 82160 101120 106496 131456 133120 161792 164320 202240 212992 262912 266240 323584 328640 404480 525824 532480 647168 657280 808960 1051648 1064960 1294336 1314560 1617920 2103296 2629120 3235840 4206592 5258240 6471680 8413184 10516480 16826368 21032960 42065920 84131840
- Sum of all divisors σ(n): 220194240
- Sum of proper divisors (its aliquot sum) s(n): 136062400
- 84131840 is an abundant number, because the sum of its proper divisors (136062400) is greater than itself. Its abundance is 51930560
Bases of 84131840
- Binary: 1010000001111000000000000002
- Hexadecimal: 0x503C000
- Base-36: 1E38JK
Squares and roots of 84131840
- 84131840 squared (841318402) is 7078166501785600
- 84131840 cubed (841318403) is 595499171621585813504000
-
The
square root of 84131840 is 9172.3410316015 -
The
cube root of 84131840 is 438.1809195395
Scales and comparisons
How big is 84131840?- 84,131,840 seconds is equal to 2 years, 35 weeks, 17 hours, 57 minutes, 20 seconds.
-
To count from 1 to 84,131,840 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 84131840 cubic inches would be around 36.5 feet tall.
Recreational maths with 84131840
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