21246142071

Names of 21246142071

• Cardinal: 21246142071 can be written as Twenty-one billion, two hundred forty-six million, one hundred forty-two thousand and seventy-one.

Scientific notation

• Scientific notation: 2.1246142071 × 10¹⁰

Factors of 21246142071

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 832

Divisors of 21246142071

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 11 17 21 33 51 61 77 119 121 183 187 231 357 363 427 561 671 733 847 1037 1281 1309 1331 2013 2057 2199 2541 3111 3927 3993 4697 5131 6171 7259 7381 8063 9317 11407 12461 14091 14399 15393 21777 22143 22627 24189 27951 34221 37383 43197 44713 51667 56441 67881 79849 81191 87227 88693 125477 134139 137071 155001 158389 169323 239547 243573 261681 266079 312991 376431 411213 475167 491843 568337 620851 760121 878339 938973 959497 975623 1380247 1475529 1507781 1705011 1862553 2280363 2635017 2878491 2926869 3442901 4140741 4523343 5320847 5410273 6829361 8361331 9661729 10328703 10554467 15962541 16230819 16585591 20488083 25083993 28985187 31663401 37871911 49756773 58529317 59513003 91974641 113615733 116099137 175587951 178539009 275923923 348297411 416591021 643822487 1011721051 1249773063 1931467461 3035163153 7082047357 21246142071
• Sum of all divisors σ(n): 38375258112
• Sum of proper divisors (its aliquot sum) s(n): 17129116041
• 21246142071 is a deficient number, because the sum of its proper divisors (17129116041) is less than itself. Its deficiency is 4117026030

Bases of 21246142071

• Binary: 10011110010010111100110011001110111₂
• Hexadecimal: 0x4F25E6677
• Base-36: 9RDEK53

Squares and roots of 21246142071

• 21246142071 squared (21246142071²) is 451398552901116169041
• 21246142071 cubed (21246142071³) is 9590477785580923341920337823911
• The square root of 21246142071 is 145760.5641831837
• The cube root of 21246142071 is 2769.6614977757

Scales and comparisons

• 21,246,142,071 seconds is equal to 675 years, 29 weeks, 1 day, 10 hours, 7 minutes, 51 seconds.
• To count from 1 to 21,246,142,071 would take you about one thousand, three hundred fifty-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 21246142071 cubic inches would be around 230.8 feet tall.

Recreational maths with 21246142071

• 21246142071 backwards is 17024164212
• The number of decimal digits it has is: 11
• The sum of 21246142071's digits is 30
• More coming soon!