21320445155490

Names of 21320445155490

• Cardinal: 21320445155490 can be written as Twenty-one trillion, three hundred twenty billion, four hundred forty-five million, one hundred fifty-five thousand, four hundred ninety.

Scientific notation

• Scientific notation: 2.132044515549 × 10¹³

Factors of 21320445155490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1121

Divisors of 21320445155490

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 47 54 65 78 81 90 94 117 130 135 141 162 169 195 234 235 243 270 282 338 351 390 405 423 470 486 507 585 611 702 705 810 845 846 1014 1051 1053 1170 1215 1222 1269 1410 1521 1690 1755 1833 2102 2106 2115 2430 2535 2538 3042 3055 3153 3159 3510 3666 3807 4230 4563 5070 5255 5265 5499 6110 6306 6318 6345 7605 7614 7943 9126 9165 9459 10510 10530 10998 11421 12690 13663 13689 15210 15765 15795 15886 16497 18330 18918 19035 22815 22842 23829 27326 27378 27495 28377 31530 31590 32994 38070 39715 40989 41067 45630 47295 47658 49397 49491 54990 56754 57105 68315 68445 71487 79430 81978 82134 82485 85131 94590 98794 98982 114210 119145 122967 136630 136890 141885 142974 148191 148473 164970 170262 177619 204945 205335 214461 238290 245934 246985 247455 255393 283770 296382 296946 355238 357435 368901 409890 410670 425655 428922 444573 493970 494910 510786 532857 614835 642161 643383 714870 737802 740955 742365 851310 888095 889146 1065714 1072305 1104601 1106703 1229670 1276965 1284322 1286766 1333719 1481910 1484730 1598571 1776190 1844505 1926483 1930149 2144610 2209202 2213406 2222865 2553930 2664285 2667438 3197142 3210805 3216915 3313803 3320109 3689010 3852966 3860298 4001157 4445730 4795713 5328570 5523005 5533515 5779449 6421610 6433830 6627606 6640218 6668595 7992855 8002314 8348093 9591426 9632415 9650745 9941409 11046010 11067030 11558898 12003471 13337190 14359813 14387139 15985710 16569015 16600545 16696186 17338347 19264830 19301490 19882818 20005785 23978565 24006942 25044279 28719626 28774278 28897245 29824227 33138030 33201090 34676694 40011570 41740465 43079439 43161417 47957130 49707045 50088558 51916247 52015041 57794490 59648454 60017355 71799065 71935695 75132837 83480930 86158878 86322834 86691735 89472681 99414090 103832494 104030082 120034710 125221395 129238317 143598130 143871390 149121135 150265674 155748741 156045123 173383470 178945362 186677569 215397195 215807085 225398511 250442790 258476634 259581235 260075205 268418043 298242270 311497482 312090246 373355138 375664185 387714951 430794390 431614170 447363405 450797022 467246223 519162470 520150410 536836086 560032707 646191585 674911211 676195533 751328370 775429902 778743705 780225615 894726810 933387845 934492446 1120065414 1126992555 1163144853 1292383170 1342090215 1349822422 1352391066 1401738669 1557487410 1560451230 1680098121 1866775690 1938574755 2024733633 2028586599 2253985110 2326289706 2336231115 2684180430 2800163535 2803477338 3360196242 3374556055 3380977665 3489434559 3877149510 4049467266 4057173198 4205216007 4672462230 5040294363 5600327070 5815724265 6074200899 6749112110 6761955330 6978869118 7008693345 8400490605 8410432014 8773845743 10080588726 10123668165 10142932995 11631448530 12148401798 12615648021 14017386690 15120883089 16800981210 17447172795 17547691486 18222602697 20247336330 20285865990 21026080035 25201471815 25231296042 26321537229 30241766178 30371004495 34894345590 36445205394 42052160070 43869228715 45362649267 50402943630 52643074458 54667808091 60742008990 63078240105 75604415445 78964611687 87738457430 90725298534 91113013485 109335616182 126156480210 131607686145 151208830890 157929223374 164003424273 182226026970 226813246335 236893835061 263215372290 273339040455 328006848546 394823058435 453626492670 473787670122 546678080910 710681505183 789646116870 820017121365 1184469175305 1421363010366 1640034242730 2132044515549 2368938350610 3553407525915 4264089031098 7106815051830 10660222577745 21320445155490
• Sum of all divisors σ(n): 63633390597504
• Sum of proper divisors (its aliquot sum) s(n): 42312945442014
• 21320445155490 is an abundant number, because the sum of its proper divisors (42312945442014) is greater than itself. Its abundance is 20992500286524

Bases of 21320445155490

• Binary: 100110110010000001101100011110101100010100010₂
• Hexadecimal: 0x13640D8F58A2
• Base-36: 7K2H6KG4I

Squares and roots of 21320445155490

• 21320445155490 squared (21320445155490²) is 454561381628257010277140100
• 21320445155490 cubed (21320445155490³) is 9691451006809013262855882787337014149000
• The square root of 21320445155490 is 4617406.7565561081
• The cube root of 21320445155490 is 27728.8647467989

Scales and comparisons

• 21,320,445,155,490 seconds is equal to 677,924 years, 10 weeks, 5 days, 12 hours, 31 minutes, 30 seconds.
• To count from 1 to 21,320,445,155,490 would take you about one million, six hundred ninety-four thousand, eight hundred ten 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 21320445155490 cubic inches would be around 2310.7 feet tall.

Recreational maths with 21320445155490

• 21320445155490 backwards is 09455154402312
• 21320445155490 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21320445155490's digits is 45
• More coming soon!