20836840672

Names of 20836840672

• Cardinal: 20836840672 can be written as Twenty billion, eight hundred thirty-six million, eight hundred forty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.0836840672 × 10¹⁰

Factors of 20836840672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3004

Divisors of 20836840672

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 16 32 37 61 74 103 122 148 206 244 296 412 488 592 824 976 1184 1648 1952 2257 2801 3296 3811 4514 5602 6283 7622 9028 11204 12566 15244 18056 22408 25132 30488 36112 44816 50264 60976 72224 89632 100528 103637 121952 170861 201056 207274 232471 288503 341722 414548 464942 577006 683444 829096 929884 1154012 1366888 1658192 1859768 2308024 2733776 3316384 3719536 4616048 5467552 6321857 7439072 9232096 10674611 12643714 17598683 21349222 25287428 35197366 42698444 50574856 70394732 85396888 101149712 140789464 170793776 202299424 281578928 341587552 563157856 651151271 1302302542 2604605084 5209210168 10418420336 20836840672
• Sum of all divisors σ(n): 43253106624
• Sum of proper divisors (its aliquot sum) s(n): 22416265952
• 20836840672 is an abundant number, because the sum of its proper divisors (22416265952) is greater than itself. Its abundance is 1579425280

Bases of 20836840672

• Binary: 10011011001111110001111010011100000₂
• Hexadecimal: 0x4D9F8F4E0
• Base-36: 9KLPT5S

Squares and roots of 20836840672

• 20836840672 squared (20836840672²) is 434173929190313411584
• 20836840672 cubed (20836840672³) is 9046812986474770522920567144448
• The square root of 20836840672 is 144349.7165636289
• The cube root of 20836840672 is 2751.7604451093

Scales and comparisons

• 20,836,840,672 seconds is equal to 662 years, 28 weeks, 3 days, 3 hours, 17 minutes, 52 seconds.
• To count from 1 to 20,836,840,672 would take you about one thousand, three hundred twenty-five 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 20836840672 cubic inches would be around 229.3 feet tall.

Recreational maths with 20836840672

• 20836840672 backwards is 27604863802
• The number of decimal digits it has is: 11
• The sum of 20836840672's digits is 46
• More coming soon!