83869940
83,869,940 is an even composite number composed of five prime numbers multiplied together.
83869940 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 83869940:
22 × 5 × 7 × 112 × 4951
(2 × 2 × 5 × 7 × 11 × 11 × 4951)See below for interesting mathematical facts about the number 83869940 from the Numbermatics database.
Names of 83869940
- Cardinal: 83869940 can be written as Eighty-three million, eight hundred sixty-nine thousand, nine hundred forty.
Scientific notation
- Scientific notation: 8.386994 × 107
Factors of 83869940
Divisors of 83869940
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 121 140 154 220 242 308 385 484 605 770 847 1210 1540 1694 2420 3388 4235 4951 8470 9902 16940 19804 24755 34657 49510 54461 69314 99020 108922 138628 173285 217844 272305 346570 381227 544610 599071 693140 762454 1089220 1198142 1524908 1906135 2396284 2995355 3812270 4193497 5990710 7624540 8386994 11981420 16773988 20967485 41934970 83869940
- Sum of all divisors σ(n): 221294976
- Sum of proper divisors (its aliquot sum) s(n): 137425036
- 83869940 is an abundant number, because the sum of its proper divisors (137425036) is greater than itself. Its abundance is 53555096
Bases of 83869940
- Binary: 1001111111111000000111101002
- Hexadecimal: 0x4FFC0F4
- Base-36: 1DXMGK
Squares and roots of 83869940
- 83869940 squared (838699402) is 7034166835603600
- 83869940 cubed (838699403) is 589955150452063795784000
-
The
square root of 83869940 is 9158.0532865889 -
The
cube root of 83869940 is 437.7257653819
Scales and comparisons
How big is 83869940?- 83,869,940 seconds is equal to 2 years, 34 weeks, 4 days, 17 hours, 12 minutes, 20 seconds.
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To count from 1 to 83,869,940 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 83869940 cubic inches would be around 36.5 feet tall.
Recreational maths with 83869940
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