21867897004020

Names of 21867897004020

• Cardinal: 21867897004020 can be written as Twenty-one trillion, eight hundred sixty-seven billion, eight hundred ninety-seven million, four thousand and twenty.

Scientific notation

• Scientific notation: 2.186789700402 × 10¹³

Factors of 21867897004020

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 40808

Divisors of 21867897004020

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 19 20 27 30 36 38 45 54 57 60 61 76 90 95 108 114 122 135 171 180 183 190 228 244 270 285 305 342 366 380 513 540 549 570 610 684 732 855 877 915 1026 1098 1140 1159 1220 1647 1710 1754 1830 2052 2196 2318 2565 2631 2745 3294 3420 3477 3508 3660 4385 4636 5130 5262 5490 5795 6588 6954 7893 8235 8770 10260 10431 10524 10980 11590 13155 13908 15786 16470 16663 17385 17540 20862 23180 23679 26310 31293 31572 32940 33326 34770 39465 39841 41724 47358 49989 52155 52620 53497 62586 66652 69540 78930 79682 83315 94716 99978 104310 106994 118395 119523 125172 149967 156465 157860 159364 160491 166630 199205 199956 208620 213988 236790 239046 249945 267485 299934 312930 320982 333260 358569 398410 449901 473580 478092 481473 499890 534970 597615 599868 625860 641964 717138 749835 756979 796820 802455 899802 962946 999780 1016443 1069940 1075707 1195230 1434276 1444419 1499670 1513958 1604910 1792845 1799604 1925892 2032886 2151414 2249505 2270937 2390460 2407365 2430301 2888838 2999340 3027916 3049329 3209820 3585690 3784895 4065772 4302828 4499010 4541874 4814730 4860602 5082215 5378535 5777676 6098658 6812811 7171380 7222095 7290903 7569790 8998020 9083748 9147987 9629460 9721204 10164430 10757070 11354685 12151505 12197316 13625622 14444190 14581806 15139580 15246645 18295974 20328860 20438433 21514140 21872709 22709370 24303010 27251244 27443961 28888380 29163612 30493290 34064055 34940557 36454515 36591948 40876866 43745418 45418740 45739935 46175719 48606020 54887922 60986580 65618127 68128110 69881114 72909030 81753732 87490836 91479870 92351438 102192165 104821671 109363545 109775844 131236254 136256220 137219805 138527157 139762228 145818060 174702785 182959740 184702876 204384330 209643342 218727090 230878595 262472508 274439610 277054314 314465013 328090635 349405570 408768660 415581471 419286684 437454180 461757190 524108355 548879220 554108628 628930026 656181270 663870583 692635785 698811140 831162942 923514380 943395039 1048216710 1246744413 1257860052 1312362540 1327741166 1385271570 1572325065 1662325884 1886790078 1991611749 2077907355 2096433420 2131373977 2493488826 2655482332 2770543140 3144650130 3319352915 3773580156 3983223498 4155814710 4262747954 4716975195 4986977652 5974835247 6233722065 6289300260 6394121931 6638705830 7966446996 8311629420 8525495908 9433950390 9958058745 10656869885 11949670494 12467444130 12788243862 13277411660 17924505741 18867900780 19182365793 19916117490 21313739770 23899340988 24934888260 25576487724 29874176235 31970609655 35849011482 38364731586 39832234980 40496105563 42627479540 57547097379 59748352470 63941219310 71698022964 76729463172 80992211126 89622528705 95911828965 115094194758 119496704940 121488316689 127882438620 161984422252 179245057410 191823657930 202480527815 230188389516 242976633378 287735486895 358490114820 364464950067 383647315860 404961055630 485953266756 575470973790 607441583445 728929900134 809922111260 1093394850201 1150941947580 1214883166890 1457859800268 1822324750335 2186789700402 2429766333780 3644649500670 4373579400804 5466974251005 7289299001340 10933948502010 21867897004020
• Sum of all divisors σ(n): 72872994163200
• Sum of proper divisors (its aliquot sum) s(n): 51005097159180
• 21867897004020 is an abundant number, because the sum of its proper divisors (51005097159180) is greater than itself. Its abundance is 29137200155160

Bases of 21867897004020

• Binary: 100111110001110000100001110111001111111110100₂
• Hexadecimal: 0x13E3843B9FF4
• Base-36: 7R1Z19HX0

Squares and roots of 21867897004020

• 21867897004020 squared (21867897004020²) is 478204919378426891896160400
• 21867897004020 cubed (21867897004020³) is 10457335923783127069916646428101364808000
• The square root of 21867897004020 is 4676312.3296054553
• The cube root of 21867897004020 is 27964.1961603159

Scales and comparisons

• 21,867,897,004,020 seconds is equal to 695,331 years, 25 weeks, 18 hours, 27 minutes.
• To count from 1 to 21,867,897,004,020 would take you about one million, seven hundred thirty-eight thousand, three hundred twenty-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 21867897004020 cubic inches would be around 2330.3 feet tall.

Recreational maths with 21867897004020

• 21867897004020 backwards is 02040079876812
• 21867897004020 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21867897004020's digits is 54
• More coming soon!