20713980

Names of 20713980

• Cardinal: 20713980 can be written as Twenty million, seven hundred thirteen thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 2.071398 × 10⁷

Factors of 20713980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 497

Divisors of 20713980

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 149 210 298 331 420 447 596 662 745 894 993 1043 1324 1490 1655 1788 1986 2086 2235 2317 2980 3129 3310 3972 4172 4470 4634 4965 5215 6258 6620 6951 8940 9268 9930 10430 11585 12516 13902 15645 19860 20860 23170 27804 31290 34755 46340 49319 62580 69510 98638 139020 147957 197276 246595 295914 345233 493190 591828 690466 739785 986380 1035699 1380932 1479570 1726165 2071398 2959140 3452330 4142796 5178495 6904660 10356990 20713980
• Sum of all divisors σ(n): 66931200
• Sum of proper divisors (its aliquot sum) s(n): 46217220
• 20713980 is an abundant number, because the sum of its proper divisors (46217220) is greater than itself. Its abundance is 25503240

Bases of 20713980

• Binary: 1001111000001000111111100₂
• Hexadecimal: 0x13C11FC
• Base-36: CBZ0C

Squares and roots of 20713980

• 20713980 squared (20713980²) is 429068967440400
• 20713980 cubed (20713980³) is 8887726010181096792000
• The square root of 20713980 is 4551.2613636221
• The cube root of 20713980 is 274.6341360547

Scales and comparisons

• 20,713,980 seconds is equal to 34 weeks, 1 day, 17 hours, 53 minutes.
• To count from 1 to 20,713,980 would take you about fifty-one weeks!

  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 20713980 cubic inches would be around 22.9 feet tall.

Recreational maths with 20713980

• 20713980 backwards is 08931702
• 20713980 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20713980's digits is 30
• More coming soon!