20742346943872

Names of 20742346943872

• Cardinal: 20742346943872 can be written as Twenty trillion, seven hundred forty-two billion, three hundred forty-six million, nine hundred forty-three thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.0742346943872 × 10¹³

Factors of 20742346943872

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 530

Divisors of 20742346943872

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 16 32 37 64 74 128 148 296 491 592 982 1184 1369 1964 2368 2738 3928 4736 5476 7856 10952 15712 18167 21904 31424 36334 43808 62848 72668 87616 145336 175232 241081 290672 482162 581344 672179 964324 1162688 1344358 1928648 2325376 2688716 3857296 5377432 7714592 8919997 10754864 15429184 17839994 21509728 30858368 35679988 43019456 71359976 86038912 118370771 142719952 236741542 285439904 330039889 473483084 570879808 660079778 946966168 1141759616 1320159556 1893932336 2640319112 3787864672 4379718527 5280638224 7575729344 8759437054 10561276448 15151458688 17518874108 21122552896 35037748216 42245105792 70075496432 140150992864 162049585499 280301985728 324099170998 560603971456 648198341996 1296396683992 2592793367984 5185586735968 10371173471936 20742346943872
• Sum of all divisors σ(n): 42556329842040
• Sum of proper divisors (its aliquot sum) s(n): 21813982898168
• 20742346943872 is an abundant number, because the sum of its proper divisors (21813982898168) is greater than itself. Its abundance is 1071635954296

Bases of 20742346943872

• Binary: 100101101110101110100001110001010110110000000₂
• Hexadecimal: 0x12DD7438AD80
• Base-36: 7COWHTH8G

Squares and roots of 20742346943872

• 20742346943872 squared (20742346943872²) is 430244956739956098318352384
• 20742346943872 cubed (20742346943872³) is 8924290163551369224185125730792765390848
• The square root of 20742346943872 is 4554376.6800597423
• The cube root of 20742346943872 is 27475.9445588943

Scales and comparisons

• 20,742,346,943,872 seconds is equal to 659,542 years, 24 weeks, 3 days, 23 hours, 57 minutes, 52 seconds.
• To count from 1 to 20,742,346,943,872 would take you about one million, six hundred forty-eight thousand, eight hundred fifty-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 20742346943872 cubic inches would be around 2289.7 feet tall.

Recreational maths with 20742346943872

• 20742346943872 backwards is 27834964324702
• The number of decimal digits it has is: 14
• The sum of 20742346943872's digits is 61
• More coming soon!