21009163897344

Names of 21009163897344

• Cardinal: 21009163897344 can be written as Twenty-one trillion, nine billion, one hundred sixty-three million, eight hundred ninety-seven thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 2.1009163897344 × 10¹³

Factors of 21009163897344

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 251

Divisors of 21009163897344

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 51 56 64 68 71 84 96 102 112 119 128 136 142 151 168 192 204 213 224 238 256 272 284 302 336 357 384 408 426 448 453 476 497 512 544 568 604 672 714 768 816 852 896 906 952 994 1057 1088 1136 1207 1208 1344 1428 1491 1536 1632 1704 1792 1812 1904 1988 2114 2176 2272 2414 2416 2567 2688 2856 2982 3171 3264 3408 3584 3621 3624 3808 3976 4228 4352 4544 4828 4832 5041 5134 5376 5712 5964 6342 6528 6816 7242 7248 7616 7701 7952 8449 8456 8704 9088 9656 9664 10082 10268 10721 10752 11424 11928 12684 13056 13632 14484 14496 15123 15232 15402 15904 16898 16912 17969 18176 19312 19328 20164 20536 21442 22801 22848 23856 25347 25368 26112 27264 28968 28992 30246 30464 30804 31808 32163 33796 33824 35287 35938 36352 38624 38656 40328 41072 42884 45602 45696 47712 50694 50736 53907 54528 57936 57984 60492 60928 61608 63616 64326 67592 67648 68403 70574 71876 75047 77248 77312 80656 82144 85697 85768 91204 91392 95424 101388 101472 105861 107814 109056 115872 115968 120984 123216 127232 128652 135184 135296 136806 141148 143752 150094 154496 159607 161312 164288 171394 171536 182257 182408 182784 190848 202776 202944 211722 215628 225141 231744 231936 241968 246432 254464 257091 257304 270368 270592 273612 282296 287504 300188 308992 319214 322624 328576 342788 343072 364514 364816 381696 387617 405552 405888 423444 431256 450282 463488 478821 483936 492864 514182 514608 540736 541184 546771 547224 564592 575008 599879 600376 617984 638428 645248 657152 685576 686144 729028 729632 761191 763392 775234 811104 811776 846888 862512 900564 926976 957642 967872 985728 1028364 1029216 1081472 1093542 1094448 1129184 1150016 1162851 1199758 1200752 1275799 1276856 1290496 1314304 1371152 1372288 1458056 1459264 1522382 1550468 1618871 1622208 1623552 1693776 1725024 1799637 1801128 1853952 1915284 1935744 1971456 2056728 2058432 2162944 2187084 2188896 2258368 2283573 2300032 2325702 2399516 2401504 2551598 2553712 2580992 2713319 2742304 2744576 2916112 2918528 3044764 3100936 3237742 3244416 3387552 3450048 3599274 3602256 3827397 3830568 3871488 3942912 4113456 4116864 4325888 4374168 4377792 4516736 4567146 4600064 4651404 4799032 4803008 4856613 5103196 5107424 5328337 5426638 5484608 5489152 5832224 5837056 6089528 6201872 6475484 6488832 6775104 6900096 7198548 7204512 7654794 7661136 7742976 8139957 8226912 8233728 8748336 8755584 9033472 9134292 9200128 9302808 9598064 9606016 9713226 10206392 10214848 10656674 10853276 10969216 11332097 11664448 11674112 12179056 12403744 12940247 12950968 12977664 13550208 13800192 14397096 14409024 15309588 15322272 15985011 16279914 16453824 16467456 17496672 17511168 18066944 18268584 18605616 19196128 19212032 19426452 20412784 20429696 21313348 21706552 21938432 22664194 23328896 24358112 24807488 25880494 25901936 27100416 27520807 27600384 28794192 28818048 30619176 30644544 31970022 32559828 32907648 33996291 34993344 35022336 36537168 37211232 38392256 38424064 38820741 38852904 40825568 40859392 42626696 43413104 43876864 45328388 46657792 48716224 49614976 51760988 51803872 54200832 55041614 57588384 57636096 61238352 61289088 63940044 65119656 65815296 67992582 69986688 73074336 74422464 76784512 77641482 77705808 81651136 81718784 82562421 85253392 86826208 90581729 90656776 93315584 97432448 99229952 103521976 103607744 110083228 114939841 115176768 115272192 122476704 122578176 127880088 130239312 131630592 135985164 139973376 146148672 148844928 153569024 155282964 155411616 163302272 165124842 170506784 173652416 181163458 181313552 192645649 194864896 198459904 207043952 207215488 220166456 229879682 230353536 244953408 245156352 255760176 260478624 271745187 271970328 279946752 292297344 297689856 307138048 310565928 310823232 326604544 330249684 341013568 344819523 347304832 362326916 362627104 385291298 389729792 414087904 414430976 440332912 459759364 460707072 489906816 511520352 520957248 543490374 543940656 577936947 584594688 595379712 621131856 621646464 653209088 660499368 682027136 689639046 694609664 724653832 725254208 770582596 804578887 828175808 828861952 880665824 919518728 921414144 979813632 1023040704 1041914496 1086980748 1087881312 1155873894 1169189376 1242263712 1243292928 1320998736 1364054272 1379278092 1389219328 1449307664 1450508416 1541165192 1609157774 1656351616 1761331648 1839037456 1953977297 1959627264 2046081408 2083828992 2173961496 2175762624 2311747788 2413736661 2484527424 2486585856 2641997472 2728108544 2758556184 2898615328 2901016832 3082330384 3218315548 3312703232 3522663296 3678074912 3907954594 4092162816 4167657984 4347922992 4351525248 4623495576 4827473322 4969054848 5283994944 5517112368 5797230656 5802033664 5861931891 6164660768 6436631096 6625406464 7045326592 7356149824 7815909188 8184325632 8695845984 8703050496 9246991152 9654946644 9938109696 10567989888 11034224736 11594461312 11723863782 12329321536 12873262192 13677841079 14090653184 14712299648 15631818376 17391691968 17406100992 18493982304 19309893288 19876219392 21135979776 22068449472 23188922624 23447727564 24658643072 25746524384 27355682158 29424599296 31263636752 34783383936 36987964608 38619786576 41033523237 42271959552 44136898944 46377845248 46895455128 49317286144 51493048768 54711364316 58849198592 62527273504 69566767872 73975929216 77239573152 82067046474 88273797888 93790910256 98634572288 102986097536 109422728632 125054547008 139133535744 147951858432 154479146304 164134092948 176547595776 187581820512 205972195072 218845457264 250109094016 295903716864 308958292608 328268185896 375163641024 411944390144 437690914528 500218188032 617916585216 656536371792 750327282048 875381829056 1000436376064 1235833170432 1313072743584 1500654564096 1750763658112 2626145487168 3001309128192 3501527316224 5252290974336 7003054632448 10504581948672 21009163897344
• Sum of all divisors σ(n): 69153372775872
• Sum of proper divisors (its aliquot sum) s(n): 48144208878528
• 21009163897344 is an abundant number, because the sum of its proper divisors (48144208878528) is greater than itself. Its abundance is 27135044981184

Bases of 21009163897344

• Binary: 100110001101110010011110000000100101000000000₂
• Hexadecimal: 0x131B93C04A00
• Base-36: 7G3H5QS5C

Squares and roots of 21009163897344

• 21009163897344 squared (21009163897344²) is 441384967665462531370254336
• 21009163897344 cubed (21009163897344³) is 9273129127507584216747096446390274883584
• The square root of 21009163897344 is 4583575.4490729179
• The cube root of 21009163897344 is 27593.2542751229

Scales and comparisons

• 21,009,163,897,344 seconds is equal to 668,026 years, 22 weeks, 1 day, 4 hours, 22 minutes, 24 seconds.
• To count from 1 to 21,009,163,897,344 would take you about one million, six hundred seventy thousand and sixty-six 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 21009163897344 cubic inches would be around 2299.4 feet tall.

Recreational maths with 21009163897344

• 21009163897344 backwards is 44379836190012
• The number of decimal digits it has is: 14
• The sum of 21009163897344's digits is 57
• More coming soon!