21745064312748

Names of 21745064312748

• Cardinal: 21745064312748 can be written as Twenty-one trillion, seven hundred forty-five billion, sixty-four million, three hundred twelve thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 2.1745064312748 × 10¹³

Factors of 21745064312748

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1489

Divisors of 21745064312748

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 27 28 31 36 38 42 53 54 57 62 63 76 81 84 93 106 108 114 124 126 133 159 162 171 186 189 212 217 228 252 266 279 281 318 324 342 371 372 378 399 434 477 513 532 558 562 567 589 636 651 684 742 756 798 837 843 868 954 1007 1026 1093 1113 1116 1124 1134 1178 1197 1302 1431 1484 1539 1596 1643 1674 1686 1767 1908 1953 1967 2014 2052 2186 2226 2268 2356 2394 2511 2529 2604 2862 3021 3078 3279 3286 3339 3348 3372 3534 3591 3906 3934 4028 4123 4293 4372 4452 4788 4929 5022 5058 5301 5339 5724 5859 5901 6042 6156 6558 6572 6678 7049 7068 7182 7587 7651 7812 7868 8246 8586 8711 9063 9837 9858 10017 10044 10116 10602 10678 10773 11501 11718 11802 12084 12369 13116 13356 14098 14364 14787 14893 15174 15302 15903 16017 16492 17172 17422 17577 17703 18126 19674 19716 20034 20767 21147 21204 21356 21546 22761 22953 23002 23436 23604 24738 26133 27189 28196 29511 29574 29786 30051 30348 30604 31217 31806 32034 33883 34503 34844 35154 35406 36252 37107 37373 39348 40068 41534 42294 43092 44361 44679 45522 45906 46004 47709 48051 49476 52266 53109 54378 57929 59022 59148 59572 60102 60977 62301 62434 63441 63612 64068 67766 68859 69006 70308 70812 74214 74746 78399 81567 83068 84588 88533 88722 89358 91044 91812 93651 95418 96102 101649 103509 104251 104532 106218 108756 111321 112119 115858 118044 120204 121954 124602 124868 126882 133083 134037 135532 137718 138012 144153 145369 148428 149492 156798 159327 163134 165509 173787 177066 177444 178716 182931 186903 187302 190323 190836 192204 203298 206577 207018 208502 212436 218519 222642 224238 231716 235197 237181 243908 249204 253764 266166 268074 275436 280953 282967 288306 290738 304947 307133 310527 312753 313596 318654 326268 331018 333963 336357 347574 354132 365862 373806 374604 380646 402111 405503 406596 413154 414036 417004 432459 436107 437038 445284 448476 461683 470394 474362 496527 521361 532332 536148 548793 560709 561906 565934 570969 576612 581476 609894 614266 619731 621054 625506 637308 643777 655557 662036 667926 672714 695148 705591 711543 731724 747612 761292 804222 811006 826308 842859 848901 864918 872214 874076 914841 921399 923366 931581 938259 940788 948724 993054 1009071 1042722 1097586 1100651 1121418 1123812 1131868 1141938 1158563 1206333 1216509 1219788 1228532 1239462 1242108 1251012 1287554 1308321 1311114 1335852 1345428 1385049 1411182 1423086 1489581 1564083 1608444 1622012 1646379 1682127 1685718 1697802 1729836 1744428 1795799 1829682 1842798 1846732 1863162 1876518 1931331 1966671 1980769 1986108 2018142 2085444 2134629 2149931 2195172 2201302 2242836 2283876 2317126 2412666 2433018 2478924 2528577 2546703 2575108 2616642 2622228 2744523 2764197 2770098 2814777 2822364 2846172 2979162 3027213 3128166 3231781 3292758 3301953 3364254 3371436 3395604 3475689 3591598 3649527 3659364 3685596 3726324 3753036 3862662 3924963 3933342 3961538 4036284 4155147 4269258 4299862 4402604 4468743 4506439 4634252 4692249 4825332 4866036 4939137 5057154 5093406 5233284 5387397 5489046 5528394 5540196 5629554 5793993 5835527 5900013 5942307 5958324 6054426 6256332 6403887 6449793 6463562 6585516 6603906 6728508 6951378 7183196 7299054 7640109 7704557 7725324 7849926 7866684 7923076 8292591 8310294 8444331 8538516 8599724 8771977 8937486 9012878 9384498 9521123 9695343 9878274 9905859 10114308 10186812 10427067 10774794 10948581 10978092 11056788 11259108 11587986 11671054 11774889 11800026 11884614 12108852 12465441 12570593 12807774 12899586 12927124 13207812 13406229 13519317 13902756 14598108 15280218 15409114 15699852 16162191 16278049 16585182 16620588 16888662 17381979 17506581 17543954 17700039 17826921 17874972 18025756 18768996 19042246 19211661 19349379 19390686 19756548 19811718 20854134 21549588 21897162 22920327 23113671 23175972 23342108 23549778 23600052 23769228 24877773 24930882 25141186 25615548 25799172 26315931 26812458 27038634 28563369 29086029 29717577 30560436 30818228 31281201 32324382 32556098 32845743 33170364 33777324 34120181 34763958 35013162 35087908 35400078 35653842 37396323 37711779 38084492 38423322 38698758 38781372 39623436 40557951 40848689 41708268 43794324 45840654 46227342 47099556 48486573 48834147 49755546 49861764 50282372 52145937 52519743 52631862 53480763 53624916 54077268 57126738 58048137 58172058 59435154 61403839 62562402 64648764 65112196 65691486 66647861 68240362 69341013 69527916 70026324 70800156 71307684 74792646 75423558 76846644 77397516 78947793 81115902 81697378 85690107 87258087 89152731 91681308 92454684 93843603 96973146 97668294 99511092 102360543 104291874 105039486 105263724 106961526 113135337 113946343 114253476 116096274 116344116 118870308 121673853 122546067 122807678 125124804 131382972 133295722 136480724 138682026 145459719 146502441 149585292 150847116 157559229 157895586 160442289 162231804 163394756 171380214 174144411 174516174 178305462 180901337 184211517 187687206 193946292 195336588 199943583 204721086 208023039 208583748 210078972 213923052 226270674 227892686 232192548 236843379 238841267 243347706 245092134 245615356 257070321 261774261 266591444 277364052 290919438 293004882 307081629 309282931 315118458 315791172 320884578 339406011 341839029 342760428 348288822 349032348 356610924 361802674 365021559 367638201 368423034 375374412 399887166 409442172 416046078 439507323 452541348 455785372 472677687 473686758 477682534 486695412 490184268 504619519 514140642 523548522 542704011 552634551 581838876 586009764 599830749 614163258 618565862 624069117 630236916 641769156 678812022 683678058 696577644 710530137 716523801 723605348 730043118 735276402 736846068 771210963 799774332 832092156 879014646 921244887 927848793 945355374 947373516 955365068 1009239038 1018218033 1025517087 1028281284 1047097044 1085408022 1102914603 1105269102 1199661498 1228326516 1237131724 1248138234 1266309359 1318521969 1357624044 1367356116 1421060274 1433047602 1460086236 1470552804 1513858557 1542421926 1628112033 1657903653 1758029292 1799492247 1842489774 1855697586 1890710748 2018478076 2036436066 2051034174 2149571403 2164980517 2170816044 2205829206 2210538204 2399322996 2496276468 2532618718 2637043938 2763734661 2783546379 2842120548 2866095204 3027717114 3076551261 3084843852 3256224066 3308743809 3315807306 3532336633 3598984494 3684979548 3711395172 3798928077 4072872132 4102068348 4299142806 4329961034 4411658412 4541575671 4884336099 4973710959 5065237436 5274087876 5398476741 5527469322 5567092758 6055434228 6153102522 6448714209 6494941551 6512448132 6617487618 6631614612 7064673266 7197968988 7597856154 8350639137 8598285612 8659922068 9083151342 9229653783 9587770861 9768672198 9947421918 10597009899 10796953482 11054938644 11134185516 11396784231 12306205044 12897428418 12989883102 13234975236 13624727013 14129346532 14653008297 15195712308 16701278274 18166302684 18459307566 19175541722 19346142627 19484824653 19537344396 19894843836 21194019798 21593906964 22793568462 25051917411 25794856836 25979766204 27249454026 28763312583 29306016594 31791029697 33402556548 34190352693 36918615132 38351083444 38692285254 38969649306 40874181039 42388039596 45587136924 50103834822 54498908052 57526625166 58454473959 58612033188 63582059394 67114396027 68380705386 77384570508 77939298612 81748362078 86289937749 95373089091 100207669644 102571058079 115053250332 116908947918 127164118788 134228792054 136761410772 163496724156 172579875498 175363421877 190746178182 201343188081 205142116158 233817895836 258869813247 268457584108 286119267273 345159750996 350726843754 381492356364 402686376162 410284232316 517739626494 572238534546 604029564243 701453687508 776609439741 805372752324 1035479252988 1144477069092 1208059128486 1553218879482 1812088692729 2416118256972 3106437758964 3624177385458 5436266078187 7248354770916 10872532156374 21745064312748
• Sum of all divisors σ(n): 72245959188480
• Sum of proper divisors (its aliquot sum) s(n): 50500894875732
• 21745064312748 is an abundant number, because the sum of its proper divisors (50500894875732) is greater than itself. Its abundance is 28755830562984

Bases of 21745064312748

• Binary: 100111100011011101010110101010111111110101100₂
• Hexadecimal: 0x13C6EAD57FAC
• Base-36: 7PHJLUMR0

Squares and roots of 21745064312748

• 21745064312748 squared (21745064312748²) is 472847821965546649555311504
• 21745064312748 cubed (21745064312748³) is 10282106298783628313646603749540818252992
• The square root of 21745064312748 is 4663160.3353035161
• The cube root of 21745064312748 is 27911.7392190467

Scales and comparisons

• 21,745,064,312,748 seconds is equal to 691,425 years, 40 weeks, 5 days, 2 hours, 25 minutes, 48 seconds.
• To count from 1 to 21,745,064,312,748 would take you about one million, seven hundred twenty-eight thousand, five hundred sixty-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 21745064312748 cubic inches would be around 2326 feet tall.

Recreational maths with 21745064312748

• 21745064312748 backwards is 84721346054712
• 21745064312748 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21745064312748's digits is 54
• More coming soon!