21083286744

Names of 21083286744

• Cardinal: 21083286744 can be written as Twenty-one billion, eighty-three million, two hundred eighty-six thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 2.1083286744 × 10¹⁰

Factors of 21083286744

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 650

Divisors of 21083286744

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 31 36 39 52 54 62 72 78 93 104 108 117 124 156 169 186 216 234 248 279 312 338 351 372 403 468 507 558 601 676 702 744 806 837 936 961 1014 1116 1202 1209 1352 1404 1521 1612 1674 1803 1922 2028 2232 2404 2418 2808 2883 3042 3224 3348 3606 3627 3844 4056 4563 4808 4836 5239 5409 5766 6084 6696 7212 7254 7688 7813 8649 9126 9672 10478 10818 10881 11532 12168 12493 14424 14508 15626 15717 16227 17298 18252 18631 20956 21636 21762 23064 23439 24986 25947 29016 31252 31434 32454 34596 36504 37262 37479 41912 43272 43524 46878 47151 49972 51894 55893 62504 62868 64908 69192 70317 74524 74958 87048 93756 94302 99944 101569 103788 111786 112437 125736 129816 140634 141453 149048 149916 162409 167679 187512 188604 203138 207576 210951 223572 224874 242203 281268 282906 299832 304707 324818 335358 337311 377208 406276 421902 447144 449748 484406 487227 503037 562536 565812 577561 609414 649636 670716 674622 726609 812552 843804 899496 914121 968812 974454 1006074 1131624 1155122 1218828 1299272 1341432 1349244 1453218 1461681 1687608 1732683 1828242 1937624 1948908 2012148 2179827 2310244 2437656 2698488 2742363 2906436 2923362 3148639 3465366 3656484 3897816 4024296 4359654 4385043 4620488 5198049 5484726 5812872 5846724 6297278 6539481 6930732 7312968 7508293 8719308 8770086 9445917 10396098 10969452 11693448 12594556 13078962 13861464 15016586 15594147 17438616 17540172 18891834 20792196 21938904 22524879 25189112 26157924 28337751 30033172 31188294 35080344 37783668 41584392 45049758 52315848 56675502 60066344 62376588 67574637 75567336 85013253 90099516 97607809 113351004 124753176 135149274 170026506 180199032 195215618 202723911 226702008 270298548 292823427 340053012 390431236 405447822 540597096 585646854 680106024 780862472 810895644 878470281 1171293708 1621791288 1756940562 2342587416 2635410843 3513881124 5270821686 7027762248 10541643372 21083286744
• Sum of all divisors σ(n): 65636902800
• Sum of proper divisors (its aliquot sum) s(n): 44553616056
• 21083286744 is an abundant number, because the sum of its proper divisors (44553616056) is greater than itself. Its abundance is 23470329312

Bases of 21083286744

• Binary: 10011101000101010010110110011011000₂
• Hexadecimal: 0x4E8A96CD8
• Base-36: 9OOG060

Squares and roots of 21083286744

• 21083286744 squared (21083286744²) is 444504979929726121536
• 21083286744 cubed (21083286744³) is 9371625950994380789730481718784
• The square root of 21083286744 is 145200.8496669355
• The cube root of 21083286744 is 2762.5666955063

Scales and comparisons

• 21,083,286,744 seconds is equal to 670 years, 19 weeks, 6 days, 12 hours, 32 minutes, 24 seconds.
• To count from 1 to 21,083,286,744 would take you about one thousand, three hundred forty 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 21083286744 cubic inches would be around 230.2 feet tall.

Recreational maths with 21083286744

• 21083286744 backwards is 44768238012
• The number of decimal digits it has is: 11
• The sum of 21083286744's digits is 45
• More coming soon!