261071216
261,071,216 is an even composite number composed of five prime numbers multiplied together.
261071216 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 261071216:
24 × 72 × 53 × 61 × 103
(2 × 2 × 2 × 2 × 7 × 7 × 53 × 61 × 103)See below for interesting mathematical facts about the number 261071216 from the Numbermatics database.
Names of 261071216
- Cardinal: 261071216 can be written as Two hundred sixty-one million, seventy-one thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 2.61071216 × 108
Factors of 261071216
Divisors of 261071216
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 4 7 8 14 16 28 49 53 56 61 98 103 106 112 122 196 206 212 244 371 392 412 424 427 488 721 742 784 824 848 854 976 1442 1484 1648 1708 2597 2884 2968 2989 3233 3416 5047 5194 5459 5768 5936 5978 6283 6466 6832 10094 10388 10918 11536 11956 12566 12932 20188 20776 21836 22631 23912 25132 25864 38213 40376 41552 43672 43981 45262 47824 50264 51728 76426 80752 87344 87962 90524 100528 152852 158417 175924 181048 267491 305704 307867 316834 332999 351848 362096 534982 611408 615734 633668 665998 703696 1069964 1231468 1267336 1331996 2139928 2330993 2462936 2534672 2663992 4279856 4661986 4925872 5327984 9323972 16316951 18647944 32633902 37295888 65267804 130535608 261071216
- Sum of all divisors σ(n): 615255264
- Sum of proper divisors (its aliquot sum) s(n): 354184048
- 261071216 is an abundant number, because the sum of its proper divisors (354184048) is greater than itself. Its abundance is 93112832
Bases of 261071216
- Binary: 11111000111110100001011100002
- Hexadecimal: 0xF8FA170
- Base-36: 4BFNU8
Squares and roots of 261071216
- 261071216 squared (2610712162) is 68158179823718656
- 261071216 cubed (2610712163) is 17794138886924895163805696
-
The
square root of 261071216 is 16157.6983509409 -
The
cube root of 261071216 is 639.1257725119
Scales and comparisons
How big is 261071216?- 261,071,216 seconds is equal to 8 years, 15 weeks, 4 days, 15 hours, 46 minutes, 56 seconds.
-
To count from 1 to 261,071,216 would take you about twelve 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 261071216 cubic inches would be around 53.3 feet tall.
Recreational maths with 261071216
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