21443257836

Names of 21443257836

• Cardinal: 21443257836 can be written as Twenty-one billion, four hundred forty-three million, two hundred fifty-seven thousand, eight hundred thirty-six.

Scientific notation

• Scientific notation: 2.1443257836 × 10¹⁰

Factors of 21443257836

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 153

Divisors of 21443257836

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 13 14 17 18 21 22 26 28 29 33 34 36 39 42 44 51 52 58 63 66 68 71 77 78 84 87 91 99 102 116 117 119 126 132 142 143 153 154 156 174 182 187 198 203 204 213 221 231 234 238 252 261 273 284 286 289 306 308 319 348 357 364 374 377 396 406 426 429 442 462 468 476 493 497 522 546 561 572 578 609 612 638 639 663 693 714 748 754 781 812 819 852 858 867 884 923 924 957 986 994 1001 1044 1071 1092 1122 1131 1156 1207 1218 1276 1278 1287 1309 1326 1386 1428 1479 1491 1508 1547 1562 1638 1683 1716 1734 1827 1846 1914 1972 1988 1989 2002 2023 2059 2142 2233 2244 2262 2343 2414 2431 2436 2556 2574 2601 2618 2639 2652 2769 2772 2871 2958 2982 3003 3094 3124 3179 3276 3366 3393 3451 3468 3621 3654 3692 3757 3828 3927 3978 4004 4046 4118 4147 4284 4437 4466 4473 4524 4641 4686 4828 4862 5148 5202 5236 5278 5423 5467 5538 5742 5916 5964 6006 6069 6177 6188 6358 6409 6461 6699 6732 6786 6902 7029 7242 7293 7308 7514 7854 7917 7956 8092 8236 8294 8307 8381 8449 8874 8932 8946 9009 9282 9372 9537 9724 10153 10353 10404 10556 10846 10863 10934 11076 11271 11484 11781 12012 12138 12354 12441 12716 12818 12922 13277 13398 13572 13804 13923 14058 14413 14484 14586 15028 15691 15708 15834 16269 16401 16588 16614 16762 16898 17017 17748 17892 18018 18207 18531 18564 19074 19227 19383 20097 20306 20519 20706 21692 21726 21868 21879 22253 22542 22649 23562 23751 24276 24708 24882 25143 25347 25636 25844 26299 26554 26767 26796 27846 28116 28611 28826 29029 29172 30459 31059 31382 31668 32538 32802 33228 33524 33796 33813 34034 35003 36036 36414 37062 37323 37961 38148 38454 38766 39831 40194 40612 41038 41327 41412 43239 43452 43758 44506 44863 45084 45298 47073 47124 47502 48807 49203 49764 50286 50694 51051 52598 53108 53534 55692 57222 57652 57681 58058 58149 58667 60918 61557 62118 62764 65076 65604 66759 67626 67947 68068 70006 70499 71071 72828 74124 74646 75429 75922 76041 76908 77532 78897 79662 80301 80388 82076 82654 86478 87087 87516 89012 89726 90596 91377 92191 92939 94146 95004 97614 98406 100572 101388 102102 105009 105196 107068 108953 109837 113883 114444 115362 116116 116298 117334 119493 121836 123114 123981 124236 129717 133518 134589 135252 135894 140012 140998 141219 142142 143633 149292 150858 151844 152082 153153 157794 158543 159324 160602 165308 172601 172956 174174 176001 179452 182754 184382 184671 185878 187369 188292 195228 196812 200277 203841 204204 210018 211497 213213 217906 219674 225709 227766 230724 232596 234668 236691 238986 240903 245021 246228 247962 259434 261261 266747 267036 269178 271788 276573 278817 281996 282438 284284 287266 289289 294437 301716 304164 306306 315027 315588 317086 321204 326859 329511 341649 345202 348348 352002 365508 368764 369342 371756 371943 374738 385033 400554 403767 407682 420036 422994 426426 430899 435812 439348 451418 455039 455532 473382 475629 477972 481806 490042 493493 495924 517803 518868 522522 528003 533494 538356 553146 557634 562107 564876 574532 578578 588874 595051 612612 630054 634172 634491 639639 645337 653718 659022 677127 683298 690404 704004 735063 738684 743886 749476 762671 770066 800241 801108 807534 815364 829719 836451 845988 852852 861798 867867 883311 902836 910078 946764 951258 963612 980084 980577 986986 988533 1035606 1045044 1056006 1066988 1106292 1115268 1124214 1155099 1157156 1177748 1190102 1198483 1208207 1260108 1268982 1279278 1290674 1292697 1307436 1318044 1354254 1365117 1366596 1426887 1470126 1480479 1487772 1525342 1540132 1553409 1579963 1600482 1615068 1659438 1672902 1686321 1723596 1735734 1766622 1785153 1820156 1867229 1902516 1936011 1961154 1973972 1977066 2031381 2061059 2071212 2112012 2205189 2248428 2288013 2310198 2380204 2396966 2400723 2416414 2537964 2558556 2581348 2585394 2603601 2649933 2695231 2708508 2730234 2853774 2934217 2940252 2960958 3050684 3106818 3159926 3185273 3200964 3318876 3345804 3372642 3465297 3471468 3533244 3570306 3595449 3624621 3734458 3872022 3922308 3954132 4062762 4095351 4122118 4165357 4410378 4441437 4576026 4620396 4739889 4793932 4801446 4832828 5005429 5170788 5207202 5299866 5355459 5390462 5460468 5601687 5707548 5808033 5868434 5921916 6183177 6213636 6319852 6370546 6545561 6745284 6864039 6930594 7140612 7190898 7249242 7468916 7735663 7744044 8085693 8125524 8190702 8244236 8330714 8389381 8802651 8820756 8882874 9152052 9479778 9555819 9602892 10010858 10414404 10599732 10710918 10780924 10786347 10873863 11203374 11616066 11736868 12366354 12496071 12741092 13091122 13728078 13861188 14219667 14381796 14498484 15016287 15471326 16171386 16381404 16661428 16778762 16805061 17605302 17765748 18549531 18959556 19111638 19636683 20021716 20539519 21421836 21572694 21747726 22406748 23206989 23232132 24257079 24732708 24992142 25168143 26182244 26407953 27456156 28439334 28667457 30032574 30942652 32342772 33557524 33610122 35038003 35210604 37099062 37488213 38223276 39273366 41079038 43145388 43495452 45048861 45818927 46413978 48514158 49984284 50336286 52815906 54149641 56878668 57334914 58910049 60065148 61618557 67220244 69620967 70076006 74198124 74976426 75504429 78546732 82158076 85092293 90097722 91637854 92827956 97028316 100672572 105114009 105631812 108299282 114669828 117820098 123237114 137456781 139241934 140152012 149952852 151008858 162448923 170184586 180195444 183275708 184855671 210228018 216598564 235640196 246474228 255276879 274913562 278483868 302017716 315342027 324897846 340369172 369711342 412370343 420456036 487346769 510553758 549827124 595646051 630684054 649795692 739422684 765830637 824740686 974693538 1021107516 1191292102 1261368108 1531661274 1649481372 1786938153 1949387076 2382584204 3063322548 3573876306 5360814459 7147752612 10721628918 21443257836
• Sum of all divisors σ(n): 81102228480
• Sum of proper divisors (its aliquot sum) s(n): 59658970644
• 21443257836 is an abundant number, because the sum of its proper divisors (59658970644) is greater than itself. Its abundance is 38215712808

Bases of 21443257836

• Binary: 10011111110000111100010010111101100₂
• Hexadecimal: 0x4FE1E25EC
• Base-36: 9UMRFN0

Squares and roots of 21443257836

• 21443257836 squared (21443257836²) is 459813306621175402896
• 21443257836 cubed (21443257836³) is 9859895290301590141680109093056
• The square root of 21443257836 is 146435.1659813995
• The cube root of 21443257836 is 2778.2005260259

Scales and comparisons

• 21,443,257,836 seconds is equal to 681 years, 43 weeks, 20 hours, 30 minutes, 36 seconds.
• To count from 1 to 21,443,257,836 would take you about one thousand, three hundred sixty-three 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 21443257836 cubic inches would be around 231.5 feet tall.

Recreational maths with 21443257836

• 21443257836 backwards is 63875234412
• The number of decimal digits it has is: 11
• The sum of 21443257836's digits is 45
• More coming soon!