21205016379008

Names of 21205016379008

• Cardinal: 21205016379008 can be written as Twenty-one trillion, two hundred five billion, sixteen million, three hundred seventy-nine thousand and eight.

Scientific notation

• Scientific notation: 2.1205016379008 × 10¹³

Factors of 21205016379008

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 4698

Divisors of 21205016379008

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 7 8 11 14 16 19 22 28 32 37 38 44 56 61 64 74 76 77 88 112 121 122 128 133 148 152 154 176 209 224 242 244 259 266 296 304 308 352 407 418 427 448 484 488 518 532 592 608 616 671 703 704 814 836 847 854 896 968 976 1036 1064 1159 1184 1216 1232 1342 1406 1408 1463 1628 1672 1694 1708 1936 1952 2072 2128 2257 2299 2318 2368 2432 2464 2684 2812 2849 2926 3256 3344 3388 3416 3872 3904 4144 4256 4477 4514 4561 4598 4636 4697 4736 4921 4928 5368 5624 5698 5852 6512 6688 6776 6832 7381 7733 7744 7808 8113 8288 8512 8954 9028 9122 9196 9272 9394 9842 9856 10736 11248 11396 11704 12749 13024 13376 13552 13664 14762 15466 15488 15799 16093 16226 16576 17024 17908 18056 18244 18392 18544 18788 19684 21472 22496 22792 23408 24827 25498 26048 26752 27104 27328 29524 30932 31339 31598 31927 32186 32452 33152 35816 36112 36488 36784 37088 37576 39368 42883 42944 44992 45584 46816 49654 50171 50996 51667 52096 54131 54208 54656 59048 61864 62678 63196 63854 64372 64904 71632 72224 72976 73568 74176 75152 78736 85063 85766 85888 86659 89243 89984 91168 93632 99308 100342 101992 103334 108262 108416 118096 123728 125356 126392 127708 128744 129808 140239 143264 144448 145952 147136 148352 150304 157472 168757 170126 171532 173318 173789 178486 182336 187264 198616 200684 203984 206668 216524 236192 247456 250712 252784 255416 257488 259616 273097 278221 280478 286528 288896 291904 294272 300181 300608 314944 337514 340252 343064 346636 347578 351197 356972 364672 397232 401368 407968 413336 433048 471713 472384 494912 501424 505568 510832 514976 519232 546194 551881 556442 560956 573056 583808 595441 600362 601216 606613 629888 675028 680504 686128 693272 695156 702394 713944 794464 802736 815936 826672 866096 943426 944768 953249 981673 989824 1002848 1011136 1021664 1029952 1038464 1092388 1103762 1112884 1121912 1181299 1190882 1200724 1213226 1350056 1361008 1372256 1386544 1390312 1404788 1427888 1588928 1605472 1631872 1653344 1732192 1856327 1886852 1906498 1911679 1947547 1963346 2005696 2022272 2043328 2059904 2184776 2207524 2225768 2243824 2362598 2381764 2401448 2426452 2700112 2722016 2744512 2773088 2780624 2809576 2855776 3060431 3177856 3206383 3210944 3301991 3306688 3464384 3712654 3773704 3812996 3823358 3863167 3895094 3926692 4011392 4086656 4369552 4415048 4451536 4487648 4725196 4763528 4802896 4852904 5188843 5286199 5400224 5444032 5489024 5546176 5561248 5619152 5711552 6120862 6412766 6421888 6603982 6613376 6672743 6928768 7425308 7547408 7625992 7646716 7726334 7790188 7853384 8739104 8830096 8903072 8975296 9450392 9527056 9605792 9705808 10294177 10377686 10485739 10572398 10800448 10888064 11092352 11122496 11238304 11423104 12241724 12825532 12994289 13207964 13345486 14850616 15094816 15251984 15293432 15452668 15580376 15706768 17478208 17660192 17806144 17950592 18900784 19054112 19211584 19411616 20419597 20588354 20755372 20971478 21144796 21423017 21600896 22244992 22444681 22476608 24483448 25651064 25988578 26415928 26690972 29701232 30189632 30503968 30586864 30905336 31160752 31413536 33664741 34956416 35270213 35320384 35612288 36321901 37003393 37801568 38108224 38423168 38823232 40839194 41176708 41510744 41942956 42289592 42846034 44889362 44953216 48966896 51302128 51977156 52831856 53381944 58148189 59402464 60379264 61007936 61173728 61810672 62321504 62827072 67329482 70540426 70640768 72059239 72643802 73400173 74006786 75603136 76216448 77646464 81678388 82353416 83021488 83885912 84579184 85692068 89778724 97933792 102604256 103954312 105663712 106763888 113235947 116296378 118804928 122015872 122347456 123621344 124643008 125654144 134658964 141080852 142937179 144118478 145287604 146800346 148013572 151206272 163356776 164706832 166042976 167771824 169158368 171384136 179557448 195589363 195867584 205208512 207908624 211327424 213527776 226471894 232592756 235653187 237609856 244694912 246891491 247242688 249286016 269317928 282161704 285874358 288236956 290575208 293600692 296027144 326713552 329413664 332085952 335543648 338316736 342768272 359114896 387972343 391178726 391735168 407037323 410417024 415817248 422654848 427055552 452943788 465185512 471306374 493782982 494485376 538635856 564323408 571748716 576473912 581150416 587201384 592054288 639630079 653427104 658827328 664171904 671087296 676633472 685536544 718229792 775944686 782357452 792651629 814074646 831634496 854111104 905887576 930371024 942612748 987565964 1077271712 1128646816 1143497432 1152947824 1162300832 1174402768 1184108576 1245595417 1279260158 1306854208 1317654656 1342174592 1369125541 1371073088 1436459584 1551889372 1564714904 1585303258 1628149292 1663268992 1811775152 1860742048 1885225496 1975131928 2151482993 2154543424 2257293632 2286994864 2305895648 2324601664 2348805536 2368217152 2491190834 2558520316 2613708416 2715806401 2738251082 2742146176 2872919168 3103778744 3129429808 3170606516 3256298584 3623550304 3721484096 3770450992 3950263856 4302965986 4309086848 4477410553 4514587264 4573989728 4611791296 4649203328 4697611072 4736434304 4982381668 5117040632 5431612802 5476502164 6207557488 6258859616 6341213032 6512597168 7247100608 7442968192 7540901984 7900527712 8605931972 8719167919 8954821106 9147979456 9223582592 9395222144 9964763336 10234081264 10863225604 10953004328 12415114976 12517719232 12682426064 13025194336 14494201216 15060380951 15081803968 15801055424 17211863944 17438335838 17909642212 18295958912 19929526672 20468162528 21726451208 21906008656 23666312923 24830229952 25035438464 25364852128 26050388672 30120761902 30163607936 31602110848 34423727888 34876671676 35819284424 39859053344 40936325056 43452902416 43812017312 47332625846 49660459904 50729704256 52100777344 60241523804 68847455776 69753343352 71638568848 79718106688 81872650112 86905804832 87624034624 94665251692 101459408512 120483047608 137694911552 139506686704 143277137696 159436213376 165664190461 173811609664 175248069248 189330503384 240966095216 275389823104 279013373408 286554275392 331328380922 347623219328 378661006768 481932190432 558026746816 573108550784 662656761844 757322013536 963864380864 1116053493632 1325313523688 1514644027072 1927728761728 2650627047376 3029288054144 5301254094752 10602508189504 21205016379008
• Sum of all divisors σ(n): 58323337900800
• Sum of proper divisors (its aliquot sum) s(n): 37118321521792
• 21205016379008 is an abundant number, because the sum of its proper divisors (37118321521792) is greater than itself. Its abundance is 15913305142784

Bases of 21205016379008

• Binary: 100110100100100101101011101111111111010000000₂
• Hexadecimal: 0x13492D77FE80
• Base-36: 7ILG79668

Squares and roots of 21205016379008

• 21205016379008 squared (21205016379008²) is 449652719633997551903064064
• 21205016379008 cubed (21205016379008³) is 9534893284704410195107448077821528768512
• The square root of 21205016379008 is 4604890.4850178577
• The cube root of 21205016379008 is 27678.7328577273

Scales and comparisons

• 21,205,016,379,008 seconds is equal to 674,253 years, 48 weeks, 2 days, 7 hours, 30 minutes, 8 seconds.
• To count from 1 to 21,205,016,379,008 would take you about one million, six hundred eighty-five thousand, six hundred thirty-four 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 21205016379008 cubic inches would be around 2306.6 feet tall.

Recreational maths with 21205016379008

• 21205016379008 backwards is 80097361050212
• 21205016379008 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21205016379008's digits is 44
• More coming soon!