21215791077888

Names of 21215791077888

• Cardinal: 21215791077888 can be written as Twenty-one trillion, two hundred fifteen billion, seven hundred ninety-one million, seventy-seven thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1215791077888 × 10¹³

Factors of 21215791077888

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2115

Divisors of 21215791077888

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 17 22 24 32 33 34 44 48 51 64 66 68 88 96 102 128 131 132 136 176 187 192 204 256 262 264 272 289 352 374 384 393 408 512 524 528 544 561 578 704 748 768 786 816 867 1048 1056 1088 1122 1156 1408 1441 1496 1536 1572 1632 1734 1951 2096 2112 2176 2227 2244 2312 2816 2882 2992 3144 3179 3264 3468 3902 4192 4224 4323 4352 4454 4488 4624 4913 5632 5764 5853 5984 6288 6358 6528 6681 6936 7804 8384 8448 8646 8704 8908 8976 9248 9537 9826 11528 11706 11968 12576 12716 13056 13362 13872 14739 15608 16768 16896 17292 17816 17952 18496 19074 19652 21461 23056 23412 23936 24497 25152 25432 26112 26724 27744 29478 31216 33167 33536 34584 35632 35904 36992 37859 38148 39304 42922 46112 46824 47872 48994 50304 50864 53448 54043 55488 58956 62432 64383 66334 67072 69168 71264 71808 73491 73984 75718 76296 78608 85844 92224 93648 95744 97988 99501 100608 101728 106896 108086 110976 113577 117912 124864 128766 132668 138336 142528 143616 146982 147968 151436 152592 157216 162129 171688 184448 187296 195976 199002 201216 203456 213792 216172 221952 227154 235824 249728 255581 257532 265336 276672 285056 287232 293964 302872 305184 314432 324258 343376 364837 368896 374592 391952 398004 406912 416449 427584 432344 443904 454308 471648 499456 511162 515064 530672 553344 563839 570112 587928 605744 610368 628864 643603 648516 686752 729674 737792 749184 766743 783904 796008 813824 832898 855168 864688 908616 943296 998912 1022324 1030128 1061344 1094511 1106688 1127678 1140224 1175856 1211488 1220736 1249347 1257728 1287206 1297032 1373504 1459348 1498368 1533486 1567808 1592016 1627648 1665796 1691517 1710336 1729376 1817232 1886592 1930809 2044648 2060256 2122688 2189022 2213376 2255356 2351712 2422976 2441472 2498694 2515456 2574412 2594064 2747008 2811391 2918696 2996736 3066972 3135616 3184032 3331592 3383034 3420672 3458752 3634464 3773184 3861618 4089296 4120512 4245376 4344877 4378044 4510712 4703424 4845952 4882944 4997388 5148824 5188128 5494016 5622782 5837392 6133944 6202229 6271232 6368064 6663184 6766068 6917504 7079633 7268928 7546368 7723236 8178592 8241024 8434173 8490752 8689754 8756088 9021424 9406848 9585263 9691904 9994776 10297648 10376256 10988032 11245564 11674784 12267888 12404458 12542464 12736128 13034631 13326368 13532136 13835008 14159266 14537856 15446472 16357184 16482048 16868346 16981504 17379508 17512176 18042848 18606687 18813696 19170526 19383808 19989552 20595296 20752512 21238899 22491128 23349568 24535776 24808916 25472256 26069262 26652736 27064272 27670016 28318532 28755789 29075712 30892944 32714368 32964096 33736692 34759016 35024352 36085696 37213374 37627392 38341052 39979104 41190592 41505024 42477798 44982256 46699136 47793647 49071552 49617832 50944512 52138524 53305472 54128544 56637064 57511578 58151424 61785888 65428736 67473384 69518032 70048704 72171392 73862909 74426748 76682104 79958208 82381184 83010048 84955596 89964512 93398272 95587294 98143104 99235664 104277048 105437893 106610944 108257088 113274128 115023156 123571776 130857472 134946768 139036064 140097408 143380941 144342784 147725818 148853496 153364208 159916416 164762368 169911192 179929024 186796544 191174588 196286208 198471328 208554096 210875786 213221888 216514176 221588727 226548256 230046312 247143552 269893536 278072128 280194816 286761882 288685568 295451636 297706992 306728416 316313679 319832832 329524736 339822384 359858048 382349176 392572416 396942656 417108192 421751572 433028352 443177454 453096512 460092624 494287104 539787072 556144256 560389632 573523764 590903272 595413984 613456832 632627358 639665664 679644768 719716096 764698352 793885312 812491999 834216384 843503144 866056704 886354908 906193024 920185248 988574208 1079574144 1112288512 1147047528 1181806544 1190827968 1226913664 1255669453 1265254716 1359289536 1439432192 1529396704 1587770624 1624983998 1668432768 1687006288 1772709816 1812386048 1840370496 2159148288 2224577024 2294095056 2363613088 2381655936 2437475997 2453827328 2511338906 2530509432 2718579072 3058793408 3175541248 3249967996 3336865536 3374012576 3545419632 3624772096 3680740992 3767008359 4318296576 4588190112 4727226176 4763311872 4874951994 4907654656 5022677812 5061018864 5437158144 6117586816 6499935992 6673731072 6748025152 7090839264 7361481984 7534016718 9176380224 9454452352 9526623744 9749903988 10045355624 10122037728 10874316288 12235173632 12999871984 13496050304 13812363983 14181678528 14722963968 15068033436 18352760448 18908904704 19499807976 20090711248 20244075456 24470347264 25999743968 26992100608 27624727966 28363357056 30136066872 36705520896 37817809408 38999615952 40181422496 40488150912 41437091949 51999487936 53984201216 55249455932 56726714112 60272133744 73411041792 77999231904 80362844992 80976301824 82874183898 103998975872 110498911864 113453428224 120544267488 155998463808 160725689984 161952603648 165748367796 207997951744 220997823728 241088534976 311996927616 321451379968 331496735592 415995903488 441995647456 482177069952 623993855232 642902759936 662993471184 883991294912 964354139904 1247987710464 1325986942368 1767982589824 1928708279808 2651973884736 3535965179648 5303947769472 7071930359296 10607895538944 21215791077888
• Sum of all divisors σ(n): 66045178552320
• Sum of proper divisors (its aliquot sum) s(n): 44829387474432
• 21215791077888 is an abundant number, because the sum of its proper divisors (44829387474432) is greater than itself. Its abundance is 23613596396544

Bases of 21215791077888

• Binary: 100110100101110101111101100001101101000000000₂
• Hexadecimal: 0x134BAFB0DA00
• Base-36: 7IQEE8D1C

Squares and roots of 21215791077888

• 21215791077888 squared (21215791077888²) is 450109791060592064882540544
• 21215791077888 cubed (21215791077888³) is 9549435289253340990933814480101621891072
• The square root of 21215791077888 is 4606060.2555641845
• The cube root of 21215791077888 is 27683.4201057603

Scales and comparisons

• 21,215,791,077,888 seconds is equal to 674,596 years, 27 weeks, 4 days, 11 hours, 24 minutes, 48 seconds.
• To count from 1 to 21,215,791,077,888 would take you about one million, six hundred eighty-six thousand, four hundred ninety-one 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 21215791077888 cubic inches would be around 2307 feet tall.

Recreational maths with 21215791077888

• 21215791077888 backwards is 88877019751212
• 21215791077888 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21215791077888's digits is 66
• More coming soon!