20993647220

Names of 20993647220

• Cardinal: 20993647220 can be written as Twenty billion, nine hundred ninety-three million, six hundred forty-seven thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.099364722 × 10¹⁰

Factors of 20993647220

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1647880

Divisors of 20993647220

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 91 98 130 140 182 196 245 260 364 455 490 637 910 980 1274 1820 2548 3185 6370 12740 1647853 3295706 6591412 8239265 11534971 16478530 21422089 23069942 32957060 42844178 46139884 57674855 80744797 85688356 107110445 115349710 149954623 161489594 214220890 230699420 299909246 322979188 403723985 428441780 599818492 749773115 807447970 1049682361 1499546230 1614895940 2099364722 2999092460 4198729444 5248411805 10496823610 20993647220
• Sum of all divisors σ(n): 55229474664
• Sum of proper divisors (its aliquot sum) s(n): 34235827444
• 20993647220 is an abundant number, because the sum of its proper divisors (34235827444) is greater than itself. Its abundance is 13242180224

Bases of 20993647220

• Binary: 10011100011010100011010001001110100₂
• Hexadecimal: 0x4E351A274
• Base-36: 9N72PV8

Squares and roots of 20993647220

• 20993647220 squared (20993647220²) is 440733223597813728400
• 20993647220 cubed (20993647220³) is 9252597814345880577302495048000
• The square root of 20993647220 is 144891.8466305127
• The cube root of 20993647220 is 2758.6459445399

Scales and comparisons

• 20,993,647,220 seconds is equal to 667 years, 27 weeks, 5 days, 40 minutes, 20 seconds.
• To count from 1 to 20,993,647,220 would take you about one thousand, three hundred thirty-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 20993647220 cubic inches would be around 229.9 feet tall.

Recreational maths with 20993647220

• 20993647220 backwards is 02274639902
• The number of decimal digits it has is: 11
• The sum of 20993647220's digits is 44
• More coming soon!