21141638297920

Names of 21141638297920

• Cardinal: 21141638297920 can be written as Twenty-one trillion, one hundred forty-one billion, six hundred thirty-eight million, two hundred ninety-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.114163829792 × 10¹³

Factors of 21141638297920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 192616981

Divisors of 21141638297920

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 140 160 196 224 245 280 320 343 392 448 490 560 686 784 980 1120 1372 1568 1715 1960 2240 2744 3136 3430 3920 5488 6860 7840 10976 13720 15680 21952 27440 54880 109760 192616967 385233934 770467868 963084835 1348318769 1540935736 1926169670 2696637538 3081871472 3852339340 5393275076 6163742944 6741593845 7704678680 9438231383 10786550152 12327485888 13483187690 15409357360 18876462766 21573100304 26966375380 30818714720 37752925532 43146200608 47191156915 53932750760 61637429440 66067619681 75505851064 86292401216 94382313830 107865501520 132135239362 151011702128 188764627660 215731003040 264270478724 302023404256 330338098405 377529255320 431462006080 528540957448 604046808512 660676196810 755058510640 1057081914896 1321352393620 1510117021280 2114163829792 2642704787240 3020234042560 4228327659584 5285409574480 10570819148960 21141638297920
• Sum of all divisors σ(n): 58709651846400
• Sum of proper divisors (its aliquot sum) s(n): 37568013548480
• 21141638297920 is an abundant number, because the sum of its proper divisors (37568013548480) is greater than itself. Its abundance is 16426375250560

Bases of 21141638297920

• Binary: 100110011101001101011110101110011100101000000₂
• Hexadecimal: 0x133A6BD73940
• Base-36: 7HSC1KXTS

Squares and roots of 21141638297920

• 21141638297920 squared (21141638297920²) is 446968869920077674676326400
• 21141638297920 cubed (21141638297920³) is 9449654178280336856478200758214361088000
• The square root of 21141638297920 is 4598003.7296548595
• The cube root of 21141638297920 is 27651.1297103983

Scales and comparisons

• 21,141,638,297,920 seconds is equal to 672,238 years, 36 weeks, 3 days, 16 hours, 58 minutes, 40 seconds.
• To count from 1 to 21,141,638,297,920 would take you about one million, six hundred eighty thousand, five hundred ninety-six 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 21141638297920 cubic inches would be around 2304.3 feet tall.

Recreational maths with 21141638297920

• 21141638297920 backwards is 02979283614112
• The number of decimal digits it has is: 14
• The sum of 21141638297920's digits is 55
• More coming soon!