21378269040430

Names of 21378269040430

• Cardinal: 21378269040430 can be written as Twenty-one trillion, three hundred seventy-eight billion, two hundred sixty-nine million, forty thousand, four hundred thirty.

Scientific notation

• Scientific notation: 2.137826904043 × 10¹³

Factors of 21378269040430

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 524849

Divisors of 21378269040430

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 97 127 194 254 331 485 635 662 970 1270 1655 3310 12319 24638 32107 42037 61595 64214 84074 123190 160535 210185 321070 420370 524287 1048574 2621435 4077589 5242870 8155178 20387945 40775890 50855839 66584449 101711678 133168898 173538997 254279195 332922245 347077994 508558390 665844490 867694985 1735389970 6458691553 12917383106 16833282709 22039452619 32293457765 33666565418 44078905238 64586915530 84166413545 110197263095 168332827090 220394526190 2137826904043 4275653808086 10689134520215 21378269040430
• Sum of all divisors σ(n): 39302171983872
• Sum of proper divisors (its aliquot sum) s(n): 17923902943442
• 21378269040430 is a deficient number, because the sum of its proper divisors (17923902943442) is less than itself. Its deficiency is 3454366096988

Bases of 21378269040430

• Binary: 100110111000110000100001000011100111100101110₂
• Hexadecimal: 0x13718421CF2E
• Base-36: 7KT1HEZAM

Squares and roots of 21378269040430

• 21378269040430 squared (21378269040430²) is 457030387165007832974584900
• 21378269040430 cubed (21378269040430³) is 9770518576465423393519012842700567507000
• The square root of 21378269040430 is 4623664.0276332791
• The cube root of 21378269040430 is 27753.9102421247

Scales and comparisons

• 21,378,269,040,430 seconds is equal to 679,762 years, 43 weeks, 10 hours, 47 minutes, 10 seconds.
• To count from 1 to 21,378,269,040,430 would take you about one million, six hundred ninety-nine thousand, four hundred seven 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 21378269040430 cubic inches would be around 2312.8 feet tall.

Recreational maths with 21378269040430

• 21378269040430 backwards is 03404096287312
• The number of decimal digits it has is: 14
• The sum of 21378269040430's digits is 49
• More coming soon!