20789301420

Names of 20789301420

• Cardinal: 20789301420 can be written as Twenty billion, seven hundred eighty-nine million, three hundred one thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.078930142 × 10¹⁰

Factors of 20789301420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 31110

Divisors of 20789301420

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 61 90 122 180 183 244 305 366 549 610 732 915 1098 1220 1830 2196 2745 3660 3721 5490 7442 10980 11163 14884 18605 22326 31039 33489 37210 44652 55815 62078 66978 74420 93117 111630 124156 133956 155195 167445 186234 223260 279351 310390 334890 372468 465585 558702 620780 669780 931170 1117404 1396755 1862340 1893379 2793510 3786758 5587020 5680137 7573516 9466895 11360274 17040411 18933790 22720548 28400685 34080822 37867580 56801370 68161644 85202055 113602740 115496119 170404110 230992238 340808220 346488357 461984476 577480595 692976714 1039465071 1154961190 1385953428 1732441785 2078930142 2309922380 3464883570 4157860284 5197325355 6929767140 10394650710 20789301420
• Sum of all divisors σ(n): 64113678720
• Sum of proper divisors (its aliquot sum) s(n): 43324377300
• 20789301420 is an abundant number, because the sum of its proper divisors (43324377300) is greater than itself. Its abundance is 22535075880

Bases of 20789301420

• Binary: 10011010111001000111001000010101100₂
• Hexadecimal: 0x4D72390AC
• Base-36: 9JTEVN0

Squares and roots of 20789301420

• 20789301420 squared (20789301420²) is 432195053531614016400
• 20789301420 cubed (20789301420³) is 8985033240101759286036423288000
• The square root of 20789301420 is 144184.9555952353
• The cube root of 20789301420 is 2749.6661377613

Scales and comparisons

• 20,789,301,420 seconds is equal to 661 years, 1 week, 5 days, 21 hours, 57 minutes.
• To count from 1 to 20,789,301,420 would take you about one thousand, three hundred twenty-two 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 20789301420 cubic inches would be around 229.1 feet tall.

Recreational maths with 20789301420

• 20789301420 backwards is 02410398702
• 20789301420 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20789301420's digits is 36
• More coming soon!