21039491361816

Names of 21039491361816

• Cardinal: 21039491361816 can be written as Twenty-one trillion, thirty-nine billion, four hundred ninety-one million, three hundred sixty-one thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 2.1039491361816 × 10¹³

Factors of 21039491361816

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1896

Divisors of 21039491361816

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 23 24 27 31 36 46 54 61 62 69 72 81 92 93 108 122 124 138 162 183 184 186 207 216 244 248 276 279 324 366 372 414 488 549 552 558 621 648 683 713 732 744 828 837 1093 1098 1116 1242 1366 1403 1426 1464 1647 1656 1674 1863 1891 2049 2139 2186 2196 2232 2484 2511 2732 2806 2852 3279 3294 3348 3726 3782 4098 4209 4278 4372 4392 4941 4968 5022 5464 5612 5673 5704 6147 6417 6558 6588 6696 7452 7564 8196 8418 8556 8744 9837 9882 10044 11224 11346 12294 12627 12834 13116 13176 14904 15128 15709 16392 16836 17019 17112 18441 19251 19674 19764 20088 21173 22692 24588 25139 25254 25668 26232 29511 31418 33672 33883 34038 36882 37881 38502 39348 39528 41663 42346 43493 45384 47127 49176 50278 50508 51057 51336 55323 57753 59022 62836 63519 66673 67766 68076 73764 75417 75762 77004 78696 83326 84692 86986 88533 94254 100556 101016 101649 102114 110646 113643 115506 118044 124989 125672 127038 130479 133346 135532 136152 141381 147528 150834 151524 153171 154008 166652 169384 173972 177066 188508 190557 200019 201112 203298 204228 221292 226251 227286 231012 236088 249978 254076 260958 266692 271064 282762 301668 303048 304947 306342 333304 347944 354132 374967 377016 381114 391437 400038 406596 408456 424143 442584 452502 454572 462024 486979 499956 508152 521916 533384 565524 571671 600057 603336 609894 612684 678753 708264 746519 749934 762228 779309 782874 800076 813192 848286 905004 909144 914841 958249 973958 999912 1043832 1124901 1131048 1143342 1174311 1200114 1219788 1225368 1272429 1291553 1357506 1460937 1493038 1499868 1524456 1533479 1558618 1565748 1600152 1696572 1715013 1800171 1810008 1829682 1916498 1947916 2036259 2066863 2239557 2249802 2286684 2337927 2348622 2400228 2439576 2544858 2583106 2715012 2744523 2874747 2921874 2986076 2999736 3066958 3117236 3131496 3374703 3393144 3430026 3522933 3600342 3659364 3832996 3874659 3895832 4072518 4133726 4382811 4479114 4499604 4573368 4600437 4675854 4697244 4800456 5089716 5166212 5400513 5430024 5489046 5749494 5843748 5972152 6133916 6200589 6234472 6718671 6749406 6860052 7013781 7045866 7200684 7318728 7665992 7749318 8145036 8267452 8624241 8765622 8958228 8999208 9200874 9351708 9394488 10179432 10332424 10801026 10978092 11498988 11623977 11687496 12267832 12401178 13148433 13437342 13498812 13720104 13801311 14027562 14091732 14401368 15498636 16290072 16534904 17169937 17248482 17531244 17916456 18401748 18601767 18703416 20156013 21041343 21602052 21956184 22997976 23142089 23247954 24802356 25872723 26296866 26874684 26997624 27602622 28055124 28183464 29705719 30997272 34339874 34496964 34871931 35062488 36803496 37203534 39445299 40312026 41403933 42082686 43204104 45537659 46284178 46495908 47537849 49604712 51509811 51745446 52593732 53749368 55205244 55805301 56110248 59411438 60468039 63124029 68679748 68993928 69426267 69743862 74407068 77618169 78890598 80624052 82807866 84165372 89117157 91075318 92568356 92991816 95075698 103019622 103490892 104615793 105187464 110410488 111610602 118822876 120936078 124211799 126248058 136612977 137359496 138852534 139487724 142613547 148814136 154529433 155236338 157781196 161248104 165615732 167415903 168330744 178234314 182150636 185136712 190151396 206039244 206981784 208278801 209231586 223221204 237645752 241872156 248423598 252496116 267351471 273225954 277705068 278975448 285227094 309058866 310472676 315562392 331231464 334831806 356468628 364301272 380302792 409838931 412078488 416557602 418463172 427840641 446442408 463588299 483744312 496847196 504992232 532268047 534702942 546451908 555410136 570454188 618117732 620945352 624836403 669663612 712937256 802054413 819677862 833115204 836926344 855681282 927176598 993694392 1047366157 1064536094 1069405884 1092903816 1140908376 1229516793 1236235464 1249672806 1283521923 1339327224 1390764897 1411667429 1596804141 1604108826 1639355724 1666230408 1711362564 1854353196 1874509209 2094732314 2129072188 2138811768 2406163239 2459033586 2499345612 2567043846 2781529794 2823334858 3142098471 3193608282 3208217652 3278711448 3422725128 3688550379 3708706392 3749018418 3850565769 4189464628 4235002287 4258144376 4790412423 4812326478 4918067172 4998691224 5134087692 5563059588 5646669716 6284196942 6387216564 6416435304 7377100758 7498036836 7701131538 8378929256 8470004574 9426295413 9580824846 9624652956 9836134344 10268175384 11126119176 11293339432 12568393884 12705006861 12774433128 14371237269 14754201516 14996073672 15402263076 16940009148 18852590826 19161649692 19249305912 25136787768 25410013722 28278886239 28742474538 29508403032 30804526152 32468350867 33880018296 37705181652 38115020583 38323299384 43113711807 50820027444 56557772478 57484949076 64936701734 75410363304 76230041166 84836658717 86227423614 97405052601 101640054888 113115544956 114345061749 114969898152 129873403468 152460082332 169673317434 172454847228 194810105202 226231089912 228690123498 259746806936 292215157803 304920164664 339346634868 344909694456 389620210404 457380246996 584430315606 678693269736 779240420808 876645473409 914760493992 1168860631212 1753290946818 2337721262424 2629936420227 3506581893636 5259872840454 7013163787272 10519745680908 21039491361816
• Sum of all divisors σ(n): 64670015139840
• Sum of proper divisors (its aliquot sum) s(n): 43630523778024
• 21039491361816 is an abundant number, because the sum of its proper divisors (43630523778024) is greater than itself. Its abundance is 22591032416208

Bases of 21039491361816

• Binary: 100110010001010100011011010001010110000011000₂
• Hexadecimal: 0x1322A368AC18
• Base-36: 7GHEPXLI0

Squares and roots of 21039491361816

• 21039491361816 squared (21039491361816²) is 442660196763930082222817856
• 21039491361816 cubed (21039491361816³) is 9313345386034477841894362905482361386496
• The square root of 21039491361816 is 4586882.5319399667
• The cube root of 21039491361816 is 27606.5251680735

Scales and comparisons

• 21,039,491,361,816 seconds is equal to 668,990 years, 38 weeks, 5 days, 12 hours, 3 minutes, 36 seconds.
• To count from 1 to 21,039,491,361,816 would take you about one million, six hundred seventy-two thousand, four hundred seventy-six 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 21039491361816 cubic inches would be around 2300.5 feet tall.

Recreational maths with 21039491361816

• 21039491361816 backwards is 61816319493012
• 21039491361816 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21039491361816's digits is 54
• More coming soon!