21012528628634270

Names of 21012528628634270

• Cardinal: 21012528628634270 can be written as Twenty-one quadrillion, twelve trillion, five hundred twenty-eight billion, six hundred twenty-eight million, six hundred thirty-four thousand, two hundred seventy.

Scientific notation

• Scientific notation: 2.101252862863427 × 10¹⁶

Factors of 21012528628634270

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 128

Divisors of 21012528628634270

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 5 7 10 13 14 26 35 65 70 91 101 130 169 182 202 338 455 505 707 845 910 1010 1183 1313 1414 1690 2197 2366 2626 3535 4394 5915 6565 7070 9191 10201 10985 11830 13130 15379 17069 18382 20402 21970 28561 30758 34138 45955 51005 57122 71407 76895 85345 91910 102010 119483 132613 142805 142814 153790 170690 199927 221897 238966 265226 285610 357035 399854 443794 597415 663065 714070 928291 999635 1030301 1109485 1194830 1326130 1553279 1723969 1856582 1999270 2060602 2218970 2884661 3106558 3447938 4641455 5151505 5769322 7212107 7766395 8619845 9282910 10303010 12067783 13393913 14423305 14424214 15532790 17239690 20192627 22411597 24135566 26787826 28846610 36060535 40385254 44823194 60338915 66969565 72121070 93757391 100963135 104060401 112057985 120677830 133939130 156881179 174120869 187514782 201926270 208120802 224115970 291350761 313762358 348241738 468786955 520302005 582701522 728422807 784405895 870604345 937573910 1040604010 1218846083 1352785213 1456753805 1456845614 1568811790 1741208690 2039455327 2263571297 2437692166 2705570426 2913507610 3642114035 4078910654 4527142594 6094230415 6763926065 7284228070 9469496491 10197276635 10510100501 11317856485 12188460830 13527852130 15844999079 17586207769 18938992982 20394553270 21020201002 22635712970 29426426861 31689998158 35172415538 47347482455 52550502505 58852853722 73570703507 79224995395 87931038845 94694964910 105101005010 123103454383 136631306513 147132134305 147141407014 158449990790 175862077690 205984988027 228620700997 246206908766 273262613026 294264268610 367853517535 411969976054 457241401994 615517271915 683156532565 735707035070 956419145591 1029924940135 1143103504985 1231034543830 1366313065130 1600344906979 1776206984669 1912838291182 2059849880270 2286207009970 2972069112961 3200689813958 3552413969338 4782095727955 5944138225922 8001724534895 8881034923345 9564191455910 12433448892683 14860345564805 16003449069790 17762069846690 20804483790727 23090690800697 24866897785366 29720691129610 41608967581454 46181381601394 62167244463415 104022418953635 115453454003485 124334488926830 161634835604879 208044837907270 230906908006970 300178980409061 323269671209758 600357960818122 808174178024395 1500894902045305 1616348356048790 2101252862863427 3001789804090610 4202505725726854 10506264314317135 21012528628634270
• Sum of all divisors σ(n): 47296072770789024
• Sum of proper divisors (its aliquot sum) s(n): 26283544142154754
• 21012528628634270 is an abundant number, because the sum of its proper divisors (26283544142154754) is greater than itself. Its abundance is 5271015513520484

Bases of 21012528628634270

• Binary: 1001010101001101100100010010000101111100001001010011110₂
• Hexadecimal: 0x4AA6C890BE129E
• Base-36: 5QWBIE22ROE

Squares and roots of 21012528628634270

• 21012528628634270 squared (21012528628634270²) is 441526359369174795450165418432900
• 21012528628634270 cubed (21012528628634270³) is 9277585266541448334089731499667086567010635483000
• The square root of 21012528628634270 is 144956988.8919960629
• The cube root of 21012528628634270 is 275947.2726615479

Scales and comparisons

• 21,012,528,628,634,270 seconds is equal to 668,133,414 years, 19 weeks, 2 days, 9 hours, 57 minutes, 50 seconds.
• To count from 1 to 21,012,528,628,634,270 would take you about two billion, four million, four hundred thousand, two hundred forty-three 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 21012528628634270 cubic inches would be around 22995.6 feet tall.

Recreational maths with 21012528628634270

• 21012528628634270 backwards is 07243682682521012
• The number of decimal digits it has is: 17
• The sum of 21012528628634270's digits is 59
• More coming soon!