21237078053340

Names of 21237078053340

• Cardinal: 21237078053340 can be written as Twenty-one trillion, two hundred thirty-seven billion, seventy-eight million, fifty-three thousand, three hundred forty.

Scientific notation

• Scientific notation: 2.123707805334 × 10¹³

Factors of 21237078053340

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 39327922331

Divisors of 21237078053340

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 39327922321 78655844642 117983766963 157311689284 196639611605 235967533926 353951300889 393279223210 471935067852 589918834815 707902601778 786558446420 1061853902667 1179837669630 1415805203556 1769756504445 2123707805334 2359675339260 3539513008890 4247415610668 5309269513335 7079026017780 10618539026670 21237078053340
• Sum of all divisors σ(n): 66070909500960
• Sum of proper divisors (its aliquot sum) s(n): 44833831447620
• 21237078053340 is an abundant number, because the sum of its proper divisors (44833831447620) is greater than itself. Its abundance is 23596753394280

Bases of 21237078053340

• Binary: 100110101000010100100011111100101000111011100₂
• Hexadecimal: 0x1350A47E51DC
• Base-36: 7J06FY4F0

Squares and roots of 21237078053340

• 21237078053340 squared (21237078053340²) is 451013484243655483885155600
• 21237078053340 cubed (21237078053340³) is 9578208567991341765953376029770999704000
• The square root of 21237078053340 is 4608370.4336066561
• The cube root of 21237078053340 is 27692.6757792139

Scales and comparisons

• 21,237,078,053,340 seconds is equal to 675,273 years, 20 weeks, 2 days, 12 hours, 9 minutes.
• To count from 1 to 21,237,078,053,340 would take you about one million, six hundred eighty-eight thousand, one hundred eighty-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 21237078053340 cubic inches would be around 2307.7 feet tall.

Recreational maths with 21237078053340

• 21237078053340 backwards is 04335087073212
• 21237078053340 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21237078053340's digits is 45
• More coming soon!