21018564970704

Names of 21018564970704

• Cardinal: 21018564970704 can be written as Twenty-one trillion, eighteen billion, five hundred sixty-four million, nine hundred seventy thousand, seven hundred four.

Scientific notation

• Scientific notation: 2.1018564970704 × 10¹³

Factors of 21018564970704

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 135

Divisors of 21018564970704

• Number of divisors d(n): 900
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 36 38 42 43 48 56 57 61 63 72 76 84 86 112 114 122 126 129 133 144 152 168 171 172 183 228 244 252 258 266 301 304 336 342 344 361 366 387 399 427 456 488 504 516 532 549 602 684 688 722 732 774 798 817 854 903 912 976 1008 1032 1064 1083 1098 1159 1197 1204 1281 1368 1444 1464 1548 1596 1634 1708 1806 2064 2128 2166 2196 2318 2394 2408 2451 2527 2562 2623 2709 2736 2888 2928 3096 3192 3249 3268 3416 3477 3612 3721 3843 4332 4392 4636 4788 4816 4902 5054 5124 5246 5418 5719 5776 6192 6384 6498 6536 6832 6859 6954 7224 7353 7442 7581 7686 7869 8113 8664 8784 9272 9576 9804 10108 10248 10431 10492 10836 11163 11438 12996 13072 13718 13908 14448 14706 14884 15162 15372 15523 15738 16226 17157 17328 18361 18544 19152 19608 20216 20496 20577 20862 20984 21672 22021 22326 22743 22876 23607 24339 25992 26047 27436 27816 29412 29768 30324 30744 31046 31476 32452 33489 34314 36722 39216 40432 41154 41724 41968 43344 44042 44652 45486 45752 46569 47214 48013 48678 49837 51471 51984 52094 54872 55083 55632 58824 59536 60648 61488 61731 62092 62952 64904 66063 66978 68628 70699 73017 73444 78141 82308 83448 88084 89304 90972 91504 93138 94428 96026 97356 99674 102942 104188 108661 109744 110166 117648 121296 123462 124184 125904 129808 130321 132126 133956 137256 139707 141398 144039 146034 146888 149511 154147 156282 160003 164616 165249 166896 176168 178608 181944 186276 188856 192052 194712 198189 199348 205884 208376 212097 217322 220332 234423 246924 248368 260642 264252 267912 274512 279414 282796 288078 292068 293776 294937 299022 308294 312564 320006 325983 329232 330498 348859 352336 363888 372552 377712 384104 389424 390963 396378 398696 411768 416752 418399 424194 432117 434644 440664 448533 462441 468846 480009 493848 494893 521284 528504 535824 558828 565592 576156 584136 589874 598044 616588 625128 636291 640012 651966 660996 697718 745104 768208 781926 792756 797392 823536 836798 848388 864234 869288 881328 884811 897066 912247 924882 937692 946903 960018 977949 987696 989786 1042568 1046577 1057008 1117656 1120021 1131184 1152312 1168272 1172889 1179748 1196088 1233176 1250256 1255197 1272582 1280024 1303932 1321992 1343281 1387323 1395436 1440027 1484679 1563852 1585512 1673596 1696776 1728468 1738576 1769622 1794132 1824494 1849764 1875384 1893806 1920036 1955898 1979572 2064559 2085136 2093154 2235312 2240042 2304624 2345778 2359496 2392176 2466352 2510394 2545164 2560048 2607864 2643984 2654433 2686562 2736741 2774646 2790872 2840709 2880054 2928793 2969358 3040057 3127704 3139731 3171024 3347192 3360063 3393552 3456936 3539244 3588264 3648988 3699528 3750768 3765591 3787612 3840072 3911796 3959144 4029843 4129118 4186308 4454037 4480084 4691556 4718992 5020788 5090328 5215728 5308866 5373124 5473482 5549292 5581744 5603803 5681418 5760108 5857586 5938716 6080114 6193677 6255408 6279462 6628321 6694384 6720126 6913872 7078488 7176528 7297976 7399056 7531182 7575224 7680144 7823592 7918288 7949581 8059686 8210223 8258236 8372616 8522127 8786379 8908074 8960168 9120171 9383112 9402967 10041576 10080189 10180656 10617732 10746248 10946964 11098584 11207606 11362836 11520216 11715172 11877432 12089529 12160228 12387354 12558924 13256642 13440252 14156976 14595952 15062364 15150448 15647184 15899162 16119372 16420446 16516472 16745232 16811409 17044254 17572758 17816148 17920336 17991157 18240342 18581031 18766224 18805934 19884963 20083152 20160378 21235464 21280399 21492496 21893928 22197168 22415212 22725672 23040432 23430344 23754864 23848743 24179058 24320456 24774708 25117848 25522339 26359137 26513284 26880504 27360513 28208901 30124728 31798324 32238744 32840892 33032944 33622818 34088508 35145516 35632296 35982314 36480684 37162062 37611868 39226621 39769926 40320756 42470928 42560798 43787856 44830424 45451344 46860688 47697486 48358116 48640912 49549416 50235696 50434227 51044678 52718274 53026568 53761008 53973471 54721026 55647067 56417802 57761083 59654889 60249456 63596648 63841197 64477488 65681784 67245636 68177016 70291032 71264592 71546229 71964628 72961368 74324124 75223736 76567017 78453242 79539852 80641512 84626703 85121596 89660848 95394972 96716232 99098832 100868454 102089356 105436548 106053136 107946942 109442052 111294134 112835604 115522166 117679863 119309778 125938099 127193296 127682394 131363568 134491272 136354032 140582064 143092458 143929256 145922736 148648248 150447472 153134034 156906484 159079704 161283024 161920413 166941201 169253406 170243192 173283249 178656373 190789944 191523591 193432464 201736908 204178712 210873096 215893884 218884104 222588268 225671208 229701051 231044332 235359726 238619556 251876198 255364788 268982544 286184916 287858512 297296496 306268068 313812968 318159408 323840826 333882402 338506812 340486384 341831983 346566498 353039589 357312746 377814297 381579888 383047182 403473816 404327581 408357424 421746192 431787768 437768208 445176536 451342416 459402102 462088664 470719452 477239112 484924441 500823603 503752396 510729576 519849747 535969119 572369832 612536136 627625936 647681652 667764804 677013624 683663966 693132996 706079178 714625492 755628594 766094364 806947632 808655162 863575536 890353072 918804204 924177328 941438904 954478224 969848882 1001647206 1007504792 1021459152 1025495949 1039699494 1071938238 1097460577 1133442891 1144739664 1212982743 1225072272 1295363304 1335529608 1354027248 1367327932 1386265992 1412158356 1429250984 1454773323 1511257188 1532188728 1607907357 1617310324 1837608408 1882877808 1939697764 2003294412 2015009584 2050991898 2079398988 2143876476 2194921154 2266885782 2392823881 2425965486 2590726608 2671059216 2734655864 2772531984 2824316712 2858501968 2909546646 3022514376 3064377456 3076487847 3215814714 3234620648 3292381731 3394471087 3638948229 3675216816 3879395528 4006588824 4101983796 4158797976 4287752952 4364319969 4389842308 4533771564 4785647762 4851930972 5469311728 5648633424 5819093292 6045028752 6152975694 6431629428 6469241296 6584763462 6788942174 7178471643 7277896458 7682224039 7758791056 8013177648 8203967592 8317595952 8575505904 8728639938 8779684616 9067543128 9571295524 9703861944 9877145193 10183413261 11638186584 12305951388 12863258856 13169526924 13577884348 14356943286 14555792916 15364448078 16407935184 17457279876 17559369232 18135086256 19142591048 19407723888 19754290386 20366826522 20851750963 21535414929 23046672117 23276373168 24611902776 25726517712 26339053848 27155768696 28713886572 29111585832 30550239783 30728896156 34914559752 38285182096 39508580772 40733653044 41703501926 43070829858 46093344234 49223805552 52678107696 54311537392 57427773144 58223171664 61100479566 61457792312 62555252889 69140016351 69829119504 79017161544 81467306088 83407003852 86141659716 92186688468 114855546288 122200959132 122915584624 125110505778 138280032702 145962256741 158034323088 162934612176 166814007704 172283319432 184373376936 187665758667 244401918264 250221011556 276560065404 291924513482 333628015408 344566638864 368746753872 375331517334 437886770223 488803836528 500442023112 553120130808 583849026964 750663034668 875773540446 1000884046224 1106240261616 1167698053928 1313660310669 1501326069336 1751547080892 2335396107856 2627320621338 3002652138672 3503094161784 5254641242676 7006188323568 10509282485352 21018564970704
• Sum of all divisors σ(n): 73820906716128
• Sum of proper divisors (its aliquot sum) s(n): 52802341745424
• 21018564970704 is an abundant number, because the sum of its proper divisors (52802341745424) is greater than itself. Its abundance is 31783776774720

Bases of 21018564970704

• Binary: 100110001110111000100000110010100100011010000₂
• Hexadecimal: 0x131DC41948D0
• Base-36: 7G7SMWES0

Squares and roots of 21018564970704

• 21018564970704 squared (21018564970704²) is 441780073427705240378255616
• 21018564970704 cubed (21018564970704³) is 9285583176102606364592937529389663473664
• The square root of 21018564970704 is 4584600.8518413029
• The cube root of 21018564970704 is 27597.3694242071

Scales and comparisons

• 21,018,564,970,704 seconds is equal to 668,325 years, 18 weeks, 1 day, 21 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,018,564,970,704 would take you about one million, six hundred seventy thousand, eight hundred thirteen 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 21018564970704 cubic inches would be around 2299.8 feet tall.

Recreational maths with 21018564970704

• 21018564970704 backwards is 40707946581012
• The number of decimal digits it has is: 14
• The sum of 21018564970704's digits is 54
• More coming soon!