21054438384

Names of 21054438384

• Cardinal: 21054438384 can be written as Twenty-one billion, fifty-four million, four hundred thirty-eight thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1054438384 × 10¹⁰

Factors of 21054438384

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 349

Divisors of 21054438384

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 49 56 57 76 84 98 112 114 133 137 147 152 168 181 196 228 266 274 294 304 336 361 362 392 399 411 456 532 543 548 588 722 724 784 798 822 912 931 959 1064 1083 1086 1096 1176 1267 1444 1448 1596 1644 1862 1918 2128 2166 2172 2192 2352 2527 2534 2603 2793 2877 2888 2896 3192 3288 3439 3724 3801 3836 4332 4344 5054 5068 5206 5586 5754 5776 6384 6576 6713 6878 7448 7581 7602 7672 7809 8664 8688 8869 10108 10136 10317 10412 11172 11508 13426 13756 14896 15162 15204 15344 15618 17328 17689 17738 18221 20139 20216 20272 20634 20824 22344 23016 24073 24797 26607 26852 27512 30324 30408 31236 35378 35476 36442 40278 40432 41268 41648 44688 46032 48146 49457 49594 53067 53214 53704 54663 55024 60648 60816 62472 65341 70756 70952 72219 72884 74391 80556 82536 96292 98914 99188 106134 106428 107408 109326 121296 124944 127547 130682 141512 141904 144438 145768 148371 148782 161112 165072 168511 173579 192584 196023 197828 198376 212268 212856 218652 255094 261364 283024 288876 291536 296742 297564 322224 337022 346199 347158 382641 385168 392046 395656 396752 424536 425712 437304 457387 471143 505533 510188 520737 522728 577752 593484 595128 674044 692398 694316 765282 784092 791312 849072 874608 914774 942286 1011066 1020376 1038597 1041474 1045456 1155504 1186968 1190256 1215053 1348088 1372161 1384796 1388632 1413429 1530564 1568184 1829548 1884572 2022132 2040752 2077194 2082948 2373936 2423393 2430106 2696176 2744322 2769592 2777264 2826858 3061128 3136368 3201709 3298001 3645159 3659096 3769144 4044264 4154388 4165896 4846786 4860212 5488644 5539184 5653716 6122256 6403418 6596002 7270179 7290318 7318192 7538288 8088528 8308776 8331792 8951717 9605127 9693572 9720424 9894003 10977288 11307432 12806836 13192004 14540358 14580636 16617552 17903434 19210254 19387144 19440848 19788006 21954576 22614864 23086007 25613672 26384008 26855151 29080716 29161272 35806868 38420508 38774288 39576012 46172014 51227344 52768016 53710302 58161432 58322544 62662019 69258021 71613736 76841016 79152024 92344028 107420604 116322864 125324038 138516042 143227472 153682032 158304048 184688056 187986057 214841208 250648076 277032084 369376112 375972114 429682416 438634133 501296152 554064168 751944228 877268266 1002592304 1108128336 1315902399 1503888456 1754536532 2631804798 3007776912 3509073064 5263609596 7018146128 10527219192 21054438384
• Sum of all divisors σ(n): 67635077328
• Sum of proper divisors (its aliquot sum) s(n): 46580638944
• 21054438384 is an abundant number, because the sum of its proper divisors (46580638944) is greater than itself. Its abundance is 25526200560

Bases of 21054438384

• Binary: 10011100110111100010011101111110000₂
• Hexadecimal: 0x4E6F13BF0
• Base-36: 9O79OMO

Squares and roots of 21054438384

• 21054438384 squared (21054438384²) is 443289375665652531456
• 21054438384 cubed (21054438384³) is 9333208846234310208693973807104
• The square root of 21054438384 is 145101.4761606511
• The cube root of 21054438384 is 2761.3061093931

Scales and comparisons

• 21,054,438,384 seconds is equal to 669 years, 24 weeks, 1 day, 15 hours, 6 minutes, 24 seconds.
• To count from 1 to 21,054,438,384 would take you about one thousand, three hundred thirty-eight 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 21054438384 cubic inches would be around 230.1 feet tall.

Recreational maths with 21054438384

• 21054438384 backwards is 48383445012
• 21054438384 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21054438384's digits is 42
• More coming soon!