268488990
268,488,990 is an even composite number composed of eight prime numbers multiplied together.
268488990 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 268488990:
2 × 32 × 5 × 7 × 11 × 17 × 43 × 53
(2 × 3 × 3 × 5 × 7 × 11 × 17 × 43 × 53)See below for interesting mathematical facts about the number 268488990 from the Numbermatics database.
Names of 268488990
- Cardinal: 268488990 can be written as Two hundred sixty-eight million, four hundred eighty-eight thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 2.6848899 × 108
Factors of 268488990
Divisors of 268488990
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 5 6 7 9 10 11 14 15 17 18 21 22 30 33 34 35 42 43 45 51 53 55 63 66 70 77 85 86 90 99 102 105 106 110 119 126 129 153 154 159 165 170 187 198 210 215 231 238 255 258 265 301 306 315 318 330 357 371 374 385 387 430 462 473 477 495 510 530 561 583 595 602 630 645 693 714 731 742 765 770 774 795 901 903 935 946 954 990 1071 1113 1122 1155 1166 1190 1290 1309 1386 1419 1462 1505 1530 1590 1683 1749 1785 1802 1806 1855 1870 1935 2142 2193 2226 2279 2310 2365 2385 2618 2703 2709 2805 2838 2915 3010 3311 3339 3366 3465 3498 3570 3655 3710 3870 3927 4081 4257 4386 4505 4515 4558 4730 4770 5117 5247 5355 5406 5418 5565 5610 5830 6307 6545 6579 6622 6678 6837 6930 7095 7310 7854 8041 8109 8162 8415 8514 8745 9010 9030 9911 9933 10234 10494 10710 10965 11130 11395 11781 12243 12614 13090 13158 13515 13545 13674 14190 15351 15953 16082 16218 16555 16695 16830 17490 18921 19635 19822 19866 20405 20511 21285 21930 22790 23562 24123 24486 25069 25585 26235 27030 27090 29733 29799 30702 31535 31906 32895 33110 33390 34185 36729 37842 38743 39270 40205 40545 40810 41022 42570 46053 47859 48246 49555 49665 50138 51170 52470 56287 56763 58905 59466 59598 61215 63070 65790 68370 69377 72369 73458 75207 76755 77486 79765 80410 81090 89199 92106 94605 95718 99110 99330 102555 112574 113526 116229 117810 120615 122430 125345 138754 143577 144738 148665 148995 150414 153510 159530 168861 175483 178398 183645 189210 193715 205110 208131 225621 230265 232458 239295 241230 250690 271201 281435 283815 287154 297330 297990 337722 346885 348687 350966 361845 367290 376035 387430 416262 426173 445995 451242 460530 478590 506583 526449 542402 562870 567630 581145 624393 693770 697374 717885 723690 752070 813603 844305 852346 877415 891990 1013166 1040655 1052898 1128105 1162290 1248786 1278519 1356005 1435770 1579347 1627206 1688610 1743435 1754830 2081310 2130865 2256210 2440809 2532915 2557038 2632245 2712010 2983211 3121965 3158694 3486870 3835557 4068015 4261730 4881618 5065830 5264490 5966422 6243930 6392595 7671114 7896735 8136030 8949633 12204045 12785190 14916055 15793470 17899266 19177785 24408090 26848899 29832110 38355570 44748165 53697798 89496330 134244495 268488990
- Sum of all divisors σ(n): 960740352
- Sum of proper divisors (its aliquot sum) s(n): 692251362
- 268488990 is an abundant number, because the sum of its proper divisors (692251362) is greater than itself. Its abundance is 423762372
Bases of 268488990
- Binary: 100000000000011010001000111102
- Hexadecimal: 0x1000D11E
- Base-36: 4FUNFI
Squares and roots of 268488990
- 268488990 squared (2684889902) is 72086337751220100
- 268488990 cubed (2684889903) is 19354388015623955916699000
-
The
square root of 268488990 is 16385.6336465819 -
The
cube root of 268488990 is 645.1224573693
Scales and comparisons
How big is 268488990?- 268,488,990 seconds is equal to 8 years, 27 weeks, 6 days, 12 hours, 16 minutes, 30 seconds.
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To count from 1 to 268,488,990 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 268488990 cubic inches would be around 53.8 feet tall.
Recreational maths with 268488990
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