21005867350741

Names of 21005867350741

• Cardinal: 21005867350741 can be written as Twenty-one trillion, five billion, eight hundred sixty-seven million, three hundred fifty thousand, seven hundred forty-one.

Scientific notation

• Scientific notation: 2.1005867350741 × 10¹³

Factors of 21005867350741

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 53126

Divisors of 21005867350741

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 13 23 89 91 161 299 623 1157 2047 2093 2221 8099 14329 15547 26611 28873 50773 51083 186277 197669 202111 355411 357581 660049 664079 1167779 1383683 2569697 4518797 4546387 4620343 4648553 8174453 15181127 17987879 31631579 31824709 58744361 59103031 103932331 106267889 112766833 411210527 413721217 727526317 789367831 1351120303 1465968829 2593637159 9457842121 10036248137 10261781803 18155460113 33717283067 70253736959 130471225781 230833707151 236020981469 913298580467 1615835950057 3000838192963 21005867350741
• Sum of all divisors σ(n): 27293372789760
• Sum of proper divisors (its aliquot sum) s(n): 6287505439019
• 21005867350741 is a deficient number, because the sum of its proper divisors (6287505439019) is less than itself. Its deficiency is 14718361911722

Bases of 21005867350741

• Binary: 100110001101011001111010000101111101011010101₂
• Hexadecimal: 0x131ACF42FAD5
• Base-36: 7G1YN2CID

Squares and roots of 21005867350741

• 21005867350741 squared (21005867350741²) is 441246463156926717913249081
• 21005867350741 cubed (21005867350741³) is 9268764674058028499355861700969122919021
• The square root of 21005867350741 is 4583215.8306958445
• The cube root of 21005867350741 is 27591.8109810261

Scales and comparisons

• 21,005,867,350,741 seconds is equal to 667,921 years, 31 weeks, 3 days, 16 hours, 59 minutes, 1 second.
• To count from 1 to 21,005,867,350,741 would take you about one million, six hundred sixty-nine thousand, eight hundred 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 21005867350741 cubic inches would be around 2299.3 feet tall.

Recreational maths with 21005867350741

• 21005867350741 backwards is 14705376850012
• The number of decimal digits it has is: 14
• The sum of 21005867350741's digits is 49
• More coming soon!