13121258865
13,121,258,865 is an odd composite number composed of seven prime numbers multiplied together.
13121258865 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 13121258865:
3 × 5 × 11 × 132 × 31 × 43 × 353
(3 × 5 × 11 × 13 × 13 × 31 × 43 × 353)See below for interesting mathematical facts about the number 13121258865 from the Numbermatics database.
Names of 13121258865
- Cardinal: 13121258865 can be written as Thirteen billion, one hundred twenty-one million, two hundred fifty-eight thousand, eight hundred sixty-five.
Scientific notation
- Scientific notation: 1.3121258865 × 1010
Factors of 13121258865
Divisors of 13121258865
- Number of divisors d(n): 192
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Complete list of divisors:
1 3 5 11 13 15 31 33 39 43 55 65 93 129 143 155 165 169 195 215 341 353 403 429 465 473 507 559 645 715 845 1023 1059 1209 1333 1419 1677 1705 1765 1859 2015 2145 2365 2535 2795 3883 3999 4433 4589 5115 5239 5295 5577 6045 6149 6665 7095 7267 8385 9295 10943 11649 13299 13767 14663 15179 15717 17329 18447 19415 19995 21801 22165 22945 26195 27885 30745 32829 36335 43989 45537 50479 51987 54715 57629 58245 59657 66495 68835 73315 75895 78585 79937 86645 92235 109005 120373 142259 151437 164145 166969 172887 178971 190619 197327 219945 225277 227685 239811 252395 259935 288145 298285 361119 399685 426777 470549 500907 571857 591981 601865 656227 675831 711295 757185 834845 864435 894855 953095 986635 1126385 1199055 1411647 1564849 1805595 1849367 1968681 2133885 2170597 2352745 2478047 2504535 2565251 2859285 2959905 3281135 3379155 4694547 5176039 5548101 6117137 6511791 7058235 7434141 7695753 7824245 9246835 9843405 10852985 12390235 12826255 15528117 18351411 20343037 23472735 25880195 27740505 28217761 30585685 32558955 37170705 38478765 61029111 67288507 77640585 79522781 84653283 91757055 101715185 141088805 201865521 238568343 305145555 336442535 397613905 423266415 874750591 1009327605 1192841715 2624251773 4373752955 13121258865
- Sum of all divisors σ(n): 26269360128
- Sum of proper divisors (its aliquot sum) s(n): 13148101263
- 13121258865 is an abundant number, because the sum of its proper divisors (13148101263) is greater than itself. Its abundance is 26842398
Bases of 13121258865
- Binary: 11000011100001011010000101011100012
- Hexadecimal: 0x30E168571
- Base-36: 610244X
Squares and roots of 13121258865
- 13121258865 squared (131212588652) is 172167434202341088225
- 13121258865 cubed (131212588653) is 2259053472291772207626028364625
-
The
square root of 13121258865 is 114548.0635584905 -
The
cube root of 13121258865 is 2358.6228478439
Scales and comparisons
How big is 13121258865?- 13,121,258,865 seconds is equal to 417 years, 11 weeks, 1 day, 10 hours, 7 minutes, 45 seconds.
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To count from 1 to 13,121,258,865 would take you about eight hundred thirty-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 13121258865 cubic inches would be around 196.6 feet tall.
Recreational maths with 13121258865
- 13121258865 backwards is 56885212131
- The number of decimal digits it has is: 11
- The sum of 13121258865's digits is 42
- More coming soon!
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