21352693824

Names of 21352693824

• Cardinal: 21352693824 can be written as Twenty-one billion, three hundred fifty-two million, six hundred ninety-three thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.1352693824 × 10¹⁰

Factors of 21352693824

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1644

Divisors of 21352693824

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 42 44 48 54 56 63 64 66 72 77 81 84 88 96 99 108 112 121 126 132 144 154 162 168 176 189 192 198 216 224 231 242 243 252 264 288 297 308 324 336 352 363 378 396 432 448 462 484 486 504 528 567 576 594 616 648 672 693 704 726 756 792 847 864 891 924 968 972 1008 1056 1089 1134 1188 1232 1296 1344 1386 1452 1512 1584 1621 1694 1701 1728 1782 1848 1936 1944 2016 2079 2112 2178 2268 2376 2464 2541 2592 2673 2772 2904 3024 3168 3242 3267 3388 3402 3564 3696 3872 3888 4032 4158 4356 4536 4752 4863 4928 5082 5184 5346 5544 5808 6048 6237 6336 6484 6534 6776 6804 7128 7392 7623 7744 7776 8316 8712 9072 9504 9726 9801 10164 10692 11088 11347 11616 12096 12474 12968 13068 13552 13608 14256 14589 14784 15246 15552 16632 17424 17831 18144 18711 19008 19452 19602 20328 21384 22176 22694 22869 23232 24948 25936 26136 27104 27216 28512 29178 29403 30492 33264 34041 34848 35662 36288 37422 38904 39204 40656 42768 43767 44352 45388 45738 49896 51872 52272 53493 54208 54432 57024 58356 58806 60984 66528 68082 68607 69696 71324 74844 77808 78408 81312 85536 87534 90776 91476 99792 102123 103744 104544 106986 108864 116712 117612 121968 124817 131301 133056 136164 137214 142648 149688 155616 156816 160479 162624 171072 175068 181552 182952 196141 199584 204246 205821 209088 213972 233424 235224 243936 249634 262602 272328 274428 285296 299376 306369 311232 313632 320958 350136 363104 365904 374451 392282 393903 399168 408492 411642 427944 466848 470448 481437 487872 499268 525204 544656 548856 570592 588423 598752 612738 627264 641916 700272 726208 731808 748902 784564 787806 816984 823284 855888 919107 933696 940896 962874 998536 1050408 1089312 1097712 1123353 1141184 1176846 1197504 1225476 1283832 1372987 1400544 1444311 1463616 1497804 1569128 1575612 1633968 1646568 1711776 1765269 1838214 1881792 1925748 1997072 2100816 2178624 2195424 2246706 2353692 2450952 2567664 2745974 2757321 2801088 2888622 2995608 3138256 3151224 3267936 3293136 3370059 3423552 3530538 3676428 3851496 3994144 4118961 4201632 4332933 4390848 4493412 4707384 4901904 5135328 5295807 5491948 5514642 5777244 5991216 6276512 6302448 6535872 6586272 6740118 7061076 7352856 7702992 7988288 8237922 8403264 8665866 8986824 9414768 9803808 10110177 10270656 10591614 10983896 11029284 11554488 11982432 12356883 12553024 12604896 13172544 13480236 14122152 14705712 15405984 15887421 16475844 17331732 17973648 18829536 19607616 20220354 21183228 21967792 22058568 23108976 23964864 24713766 25209792 26960472 28244304 29411424 30330531 30811968 31774842 32951688 34663464 35947296 37070649 37659072 40440708 42366456 43935584 44117136 46217952 47662263 49427532 53920944 56488608 58822848 60661062 63549684 65903376 69326928 71894592 74141298 80881416 84732912 87871168 88234272 92435904 95324526 98855064 107841888 111211947 112977216 121322124 127099368 131806752 138653856 148282596 161762832 169465824 176468544 190649052 197710128 215683776 222423894 242644248 254198736 263613504 277307712 296565192 323525664 333635841 338931648 381298104 395420256 444847788 485288496 508397472 593130384 647051328 667271682 762596208 790840512 889695576 970576992 1016794944 1186260768 1334543364 1525192416 1779391152 1941153984 2372521536 2669086728 3050384832 3558782304 5338173456 7117564608 10676346912 21352693824
• Sum of all divisors σ(n): 79780652224
• Sum of proper divisors (its aliquot sum) s(n): 58427958400
• 21352693824 is an abundant number, because the sum of its proper divisors (58427958400) is greater than itself. Its abundance is 37075264576

Bases of 21352693824

• Binary: 10011111000101110000100000001000000₂
• Hexadecimal: 0x4F8B84040
• Base-36: 9T4UC00

Squares and roots of 21352693824

• 21352693824 squared (21352693824²) is 455937533541487742976
• 21352693824 cubed (21352693824³) is 9735494556581118177215334580224
• The square root of 21352693824 is 146125.6097472309
• The cube root of 21352693824 is 2774.2838321351

Scales and comparisons

• 21,352,693,824 seconds is equal to 678 years, 49 weeks, 2 days, 15 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,352,693,824 would take you about one thousand, three hundred fifty-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 21352693824 cubic inches would be around 231.2 feet tall.

Recreational maths with 21352693824

• 21352693824 backwards is 42839625312
• The number of decimal digits it has is: 11
• The sum of 21352693824's digits is 45
• More coming soon!