21023420006820

Names of 21023420006820

• Cardinal: 21023420006820 can be written as Twenty-one trillion, twenty-three billion, four hundred twenty million, six thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 2.102342000682 × 10¹³

Factors of 21023420006820

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 33441

Divisors of 21023420006820

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 55 60 61 66 70 77 84 105 110 122 132 140 154 165 183 210 220 231 244 305 308 330 366 385 420 427 462 610 660 671 732 770 854 915 924 1155 1220 1281 1342 1540 1708 1830 2013 2135 2310 2411 2562 2684 3355 3660 4026 4270 4620 4697 4822 5124 6405 6710 7233 8052 8540 9394 9644 10065 12055 12810 13420 14091 14466 16877 18788 20130 23485 24110 25620 26521 28182 28932 30941 33754 36165 40260 46970 48220 50631 53042 56364 61882 67508 70455 72330 79563 84385 92823 93940 101262 106084 123764 132605 140910 144660 147071 154705 159126 168770 185646 185647 202524 216587 253155 265210 281820 294142 309410 318252 337540 340351 371292 371294 397815 433174 441213 464115 506310 530420 556941 588284 618820 649761 680702 735355 742588 795630 866348 882426 928230 928235 1012620 1021053 1029497 1082935 1113882 1299522 1361404 1470710 1591260 1617781 1701755 1764852 1856460 1856470 1887401 2042106 2058994 2165870 2206065 2227764 2382457 2599044 2784705 2941420 3088491 3235562 3248805 3403510 3712940 3774802 4084212 4117988 4331740 4412130 4764914 4853343 5105265 5147485 5569410 5662203 6176982 6471124 6497610 6807020 7147371 7549604 8088905 8824260 9437005 9529828 9706686 10210530 10294970 11138820 11324406 11324467 11912285 12353964 12995220 13211807 14294742 15442455 16177810 18874010 19413372 20421060 20589940 20761411 22648812 22648934 23824570 24266715 26423614 28311015 28589484 30884910 32355620 33973401 35736855 37748020 39635421 41522822 45297868 47649140 48533430 52847228 56622030 56622335 61769820 62284233 66059035 67946802 71473710 74598751 79270842 83045644 97066860 103807055 113244060 113244670 124568466 132118070 135893604 142947420 145329877 149197502 158541684 169867005 198177105 207614110 223796253 226489340 249136932 264236140 290659754 298395004 311421165 339734010 372993755 396354210 415228220 435989631 447592506 522191257 581319508 622842330 679468020 726649385 745987510 792708420 820586261 871979262 895185012 1044382514 1118981265 1245684660 1453298770 1491975020 1566573771 1641172522 1743958524 2088765028 2179948155 2237962530 2461758783 2610956285 2906597540 3133147542 3282345044 4102931305 4359896310 4475925060 4550523811 4923517566 5221912570 5744103827 6266295084 7832868855 8205862610 8719792620 9101047622 9847035132 10443825140 11488207654 12308793915 13651571433 15665737710 16411725220 17232311481 18202095244 22752619055 22976415308 24617587830 27303142866 28720519135 31331475420 31853666677 34464622962 45505238110 49235175660 50055761921 54606285732 57441038270 63707333354 68257857165 68929245924 86161557405 91010476220 95561000031 100111523842 114882076540 127414666708 136515714330 150167285763 159268333385 172323114810 191122000062 200223047684 250278809605 273031428660 300334571526 318536666770 344646229620 350390333447 382244000124 477805000155 500557619210 600669143052 637073333540 700780666894 750836428815 955610000310 1001115238420 1051171000341 1401561333788 1501672857630 1751951667235 1911220000620 2102342000682 3003345715260 3503903334470 4204684001364 5255855001705 7007806668940 10511710003410 21023420006820
• Sum of all divisors σ(n): 74627327545344
• Sum of proper divisors (its aliquot sum) s(n): 53603907538524
• 21023420006820 is an abundant number, because the sum of its proper divisors (53603907538524) is greater than itself. Its abundance is 32580487531704

Bases of 21023420006820

• Binary: 100110001111011100101011110110100000110100100₂
• Hexadecimal: 0x131EE57B41A4
• Base-36: 7GA0XGOMC

Squares and roots of 21023420006820

• 21023420006820 squared (21023420006820²) is 441984188783159448846512400
• 21023420006820 cubed (21023420006820³) is 9292019237161982187569893161541214568000
• The square root of 21023420006820 is 4585130.3151404543
• The cube root of 21023420006820 is 27599.4941476023

Scales and comparisons

• 21,023,420,006,820 seconds is equal to 668,479 years, 37 weeks, 5 days, 10 hours, 47 minutes.
• To count from 1 to 21,023,420,006,820 would take you about one million, six hundred seventy-one thousand, one hundred ninety-nine 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 21023420006820 cubic inches would be around 2300 feet tall.

Recreational maths with 21023420006820

• 21023420006820 backwards is 02860002432012
• 21023420006820 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21023420006820's digits is 30
• More coming soon!