21421261463472

Names of 21421261463472

• Cardinal: 21421261463472 can be written as Twenty-one trillion, four hundred twenty-one billion, two hundred sixty-one million, four hundred sixty-three thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.1421261463472 × 10¹³

Factors of 21421261463472

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 12580

Divisors of 21421261463472

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 23 24 26 36 39 41 46 48 52 69 72 78 82 92 104 117 123 138 144 156 164 184 207 208 234 246 276 299 312 328 368 369 414 468 492 533 552 598 624 656 738 828 897 936 943 984 1061 1066 1104 1196 1476 1599 1656 1794 1872 1886 1968 2122 2132 2392 2691 2829 2952 3183 3198 3312 3588 3772 4244 4264 4784 4797 5382 5658 5904 6366 6396 7176 7544 8487 8488 8528 9549 9594 10764 11316 11437 12259 12732 12792 13793 14352 15088 16974 16976 19098 19188 21528 22632 22874 24403 24518 25464 25584 27586 33948 34311 36777 38196 38376 41379 43056 43501 45264 45748 48806 49036 50928 55172 67896 68622 73209 73554 76392 76752 82758 87002 91496 97612 98072 102933 110331 110344 124137 130503 135792 137244 146418 147108 148681 152784 165516 174004 182992 195224 196144 205866 219627 220662 220688 248274 261006 263051 274488 292836 294216 297362 317239 331032 348008 390448 391509 411732 439254 441324 446043 468917 496548 522012 526102 548976 565513 585672 588432 594724 634478 662064 696016 783018 789153 823464 878508 882648 892086 937834 951717 993096 1000523 1044024 1052204 1131026 1171344 1189448 1268956 1338129 1406751 1566036 1578306 1646928 1696539 1757016 1765296 1784172 1875668 1903434 1986192 2001046 2088048 2104408 2262052 2367459 2378896 2537912 2676258 2813502 2855151 3001569 3132072 3156612 3393078 3419663 3514032 3568344 3751336 3806868 4002092 4208816 4220253 4524104 4734918 5075824 5089617 5352516 5627004 5710302 6003138 6095921 6264144 6313224 6786156 6839326 7136688 7502672 7613736 8004184 8440506 9004707 9048208 9469836 10179234 10258989 10705032 10785091 11254008 11420604 12006276 12134657 12191842 12626448 13006799 13572312 13678652 15227472 16008368 16881012 18009414 18287763 18939672 20358468 20517978 21410064 21570182 22508016 22841208 24012552 24269314 24383684 26013598 27144624 27357304 30776967 32355273 33762024 36018828 36403971 36575526 37879344 39020397 40716936 41035956 43140364 45682416 48025104 48538628 48767368 52027196 54714608 54863289 61553934 64710546 67524048 72037656 72807942 73151052 78040794 81433872 82071912 86280728 97065819 97077256 97534736 104054392 109211913 109726578 117061191 123107868 129421092 140206183 144075312 145615884 146302104 156081588 157750541 164143824 172561456 194131638 194154512 208108784 218423826 219453156 234122382 246215736 258842184 279097111 280412366 291231768 292604208 312163176 315501082 388263276 420618549 436847652 438906312 468244764 473251623 492431472 497520937 517684368 558194222 560824732 582463536 624326352 631002164 776526552 837291333 841237098 873695304 877812624 936489528 946503246 995041874 1116388444 1121649464 1261855647 1262004328 1419754869 1492562811 1553053104 1674582666 1682474196 1747390608 1872979056 1893006492 1990083748 2232776888 2243298928 2511873999 2523711294 2524008656 2839509738 2985125622 3349165332 3364948392 3628262443 3786012984 3980167496 4465553776 4477688433 5023747998 5047422588 5679019476 5970251244 6467772181 6698330664 6729896784 7256524886 7572025968 7960334992 8955376866 10047495996 10094845176 10884787329 11358038952 11442981551 11940502488 12935544362 13396661328 14513049772 17910753732 19403316543 20094991992 20189690352 21769574658 22716077904 22885963102 23881004976 25871088724 29026099544 32654361987 34328944653 35821507464 38806633086 40189983984 43539149316 45771926204 51742177448 58052199088 58209949629 65308723974 68657889306 71643014928 77613266172 87078298632 91543852408 102986833959 103484354896 116419899258 130617447948 137315778612 148758760163 155226532344 174156597264 183087704816 205973667918 232839798516 261234895896 274631557224 297517520326 310453064688 411947335836 446276280489 465679597032 522469791792 549263114448 595035040652 823894671672 892552560978 931359194064 1190070081304 1338828841467 1647789343344 1785105121956 2380140162608 2677657682934 3570210243912 5355315365868 7140420487824 10710630731736 21421261463472
• Sum of all divisors σ(n): 69082528185216
• Sum of proper divisors (its aliquot sum) s(n): 47661266721744
• 21421261463472 is an abundant number, because the sum of its proper divisors (47661266721744) is greater than itself. Its abundance is 26240005258272

Bases of 21421261463472

• Binary: 100110111101110000110101011100001111110110000₂
• Hexadecimal: 0x137B86AE1FB0
• Base-36: 7LCSHZT80

Squares and roots of 21421261463472

• 21421261463472 squared (21421261463472²) is 458870442686430571190294784
• 21421261463472 cubed (21421261463472³) is 9829583730645172236611734925710928130048
• The square root of 21421261463472 is 4628310.8650426669
• The cube root of 21421261463472 is 27772.5024689621

Scales and comparisons

• 21,421,261,463,472 seconds is equal to 681,129 years, 44 weeks, 2 days, 22 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,421,261,463,472 would take you about one million, seven hundred two thousand, eight hundred twenty-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 21421261463472 cubic inches would be around 2314.4 feet tall.

Recreational maths with 21421261463472

• 21421261463472 backwards is 27436416212412
• The number of decimal digits it has is: 14
• The sum of 21421261463472's digits is 45
• More coming soon!