20396572920

Names of 20396572920

• Cardinal: 20396572920 can be written as Twenty billion, three hundred ninety-six million, five hundred seventy-two thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.039657292 × 10¹⁰

Factors of 20396572920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 15118

Divisors of 20396572920

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 6917 8191 13834 16382 20751 24573 27668 32764 34585 40955 41502 49146 55336 62253 65528 69170 73719 81910 83004 98292 103755 122865 124506 138340 147438 163820 166008 196584 207510 245730 249012 276680 294876 311265 327640 368595 415020 491460 498024 589752 622530 737190 830040 982920 1245060 1474380 2490120 2948760 56657147 113314294 169971441 226628588 283285735 339942882 453257176 509914323 566571470 679885764 849857205 1019828646 1133142940 1359771528 1699714410 2039657292 2266285880 2549571615 3399428820 4079314584 5099143230 6798857640 10198286460 20396572920
• Sum of all divisors σ(n): 66306539520
• Sum of proper divisors (its aliquot sum) s(n): 45909966600
• 20396572920 is an abundant number, because the sum of its proper divisors (45909966600) is greater than itself. Its abundance is 25513393680

Bases of 20396572920

• Binary: 10010111111101110110000000011111000₂
• Hexadecimal: 0x4BFBB00F8
• Base-36: 9DBLCE0

Squares and roots of 20396572920

• 20396572920 squared (20396572920²) is 416020186880877326400
• 20396572920 cubed (20396572920³) is 8485386077907841741492241088000
• The square root of 20396572920 is 142816.5708872747
• The cube root of 20396572920 is 2732.2413987959

Scales and comparisons

• 20,396,572,920 seconds is equal to 648 years, 28 weeks, 3 days, 10 hours, 42 minutes.
• To count from 1 to 20,396,572,920 would take you about one thousand, two hundred ninety-seven 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 20396572920 cubic inches would be around 227.7 feet tall.

Recreational maths with 20396572920

• 20396572920 backwards is 02927569302
• 20396572920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20396572920's digits is 45
• More coming soon!