91013857389
91,013,857,389 is an odd composite number composed of five prime numbers multiplied together.
91013857389 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 91013857389:
39 × 73 × 13 × 17 × 61
(3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 7 × 13 × 17 × 61)See below for interesting mathematical facts about the number 91013857389 from the Numbermatics database.
Names of 91013857389
- Cardinal: 91013857389 can be written as Ninety-one billion, thirteen million, eight hundred fifty-seven thousand, three hundred eighty-nine.
Scientific notation
- Scientific notation: 9.1013857389 × 1010
Factors of 91013857389
Divisors of 91013857389
- Number of divisors d(n): 320
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Complete list of divisors:
1 3 7 9 13 17 21 27 39 49 51 61 63 81 91 117 119 147 153 183 189 221 243 273 343 351 357 427 441 459 549 567 637 663 729 793 819 833 1029 1037 1053 1071 1281 1323 1377 1547 1647 1701 1911 1989 2187 2379 2457 2499 2989 3087 3111 3159 3213 3843 3969 4131 4459 4641 4941 5103 5551 5733 5831 5967 6561 7137 7259 7371 7497 8967 9261 9333 9477 9639 10829 11529 11907 12393 13377 13481 13923 14823 15309 16653 17199 17493 17901 19683 20923 21411 21777 22113 22491 26901 27783 27999 28431 28917 32487 34587 35721 37179 38857 40131 40443 41769 44469 45927 49959 50813 51597 52479 53703 62769 64233 65331 66339 67473 75803 80703 83349 83997 85293 86751 94367 97461 103761 107163 111537 116571 120393 121329 125307 133407 137781 149877 152439 154791 157437 161109 188307 192699 195993 199017 202419 227409 242109 250047 251991 255879 260253 271999 283101 292383 311283 321489 334611 349713 355691 361179 363987 375921 400221 449631 457317 464373 472311 483327 564921 578097 587979 597051 607257 660569 682227 726327 750141 755973 780759 815997 849303 877149 933849 964467 1049139 1067073 1083537 1091961 1127763 1200663 1348893 1371951 1393119 1416933 1449981 1694763 1734291 1763937 1791153 1821771 1981707 2046681 2178981 2250423 2267919 2342277 2447991 2547909 2631447 2801547 3147417 3201219 3250611 3275883 3383289 4046679 4115853 4179357 4250799 4349943 4623983 5084289 5202873 5291811 5465313 5945121 6140043 6536943 6751269 6803757 7343973 7643727 7894341 8404641 9442251 9603657 9751833 9827649 10149867 12140037 12347559 12538071 12752397 13871949 15252867 15608619 15875433 16395939 17835363 18420129 19610829 20411271 22031919 22931181 23683023 28326753 28810971 29255499 29482947 30449601 36420111 37042677 38257191 41615847 45758601 47626299 53506089 55260387 58832487 66095757 68793543 71049069 84980259 86432913 87766497 88448841 109260333 111128031 114771573 124847541 137275803 142878897 160518267 165781161 198287271 206380629 213147207 254940777 259298739 265346523 333384093 374542623 411827409 481554801 497343483 594861813 619141887 764822331 777896217 1000152279 1123627869 1444664403 1492030449 1784585439 1857425661 2333688651 3370883607 4333993209 5353756317 7001065953 10112650821 13001979627 30337952463 91013857389
- Sum of all divisors σ(n): 184513190400
- Sum of proper divisors (its aliquot sum) s(n): 93499333011
- 91013857389 is an abundant number, because the sum of its proper divisors (93499333011) is greater than itself. Its abundance is 2485475622
Bases of 91013857389
- Binary: 10101001100001101100101000000011011012
- Hexadecimal: 0x1530D9406D
- Base-36: 15T7ATT9
Squares and roots of 91013857389
- 91013857389 squared (910138573892) is 8283522236825229897321
- 91013857389 cubed (910138573893) is 753915311541021757991912607154869
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The
square root of 91013857389 is 301685.0301042463 -
The
cube root of 91013857389 is 4498.1697476957
Scales and comparisons
How big is 91013857389?- 91,013,857,389 seconds is equal to 2,893 years, 49 weeks, 6 days, 3 hours, 3 minutes, 9 seconds.
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To count from 1 to 91,013,857,389 would take you about five thousand, seven hundred eighty-seven 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 91013857389 cubic inches would be around 374.8 feet tall.
Recreational maths with 91013857389
- 91013857389 backwards is 98375831019
- The number of decimal digits it has is: 11
- The sum of 91013857389's digits is 54
- More coming soon!
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