20840130

Names of 20840130

• Cardinal: 20840130 can be written as Twenty million, eight hundred forty thousand, one hundred thirty.

Scientific notation

• Scientific notation: 2.084013 × 10⁷

Factors of 20840130

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 337

Divisors of 20840130

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 30 34 45 51 53 85 90 102 106 153 159 170 255 257 265 306 318 477 510 514 530 765 771 795 901 954 1285 1530 1542 1590 1802 2313 2385 2570 2703 3855 4369 4505 4626 4770 5406 7710 8109 8738 9010 11565 13107 13515 13621 16218 21845 23130 26214 27030 27242 39321 40545 40863 43690 65535 68105 78642 81090 81726 122589 131070 136210 196605 204315 231557 245178 393210 408630 463114 612945 694671 1157785 1225890 1389342 2084013 2315570 3473355 4168026 6946710 10420065 20840130
• Sum of all divisors σ(n): 58681584
• Sum of proper divisors (its aliquot sum) s(n): 37841454
• 20840130 is an abundant number, because the sum of its proper divisors (37841454) is greater than itself. Its abundance is 17001324

Bases of 20840130

• Binary: 1001111011111111011000010₂
• Hexadecimal: 0x13DFEC2
• Base-36: CEOCI

Squares and roots of 20840130

• 20840130 squared (20840130²) is 434311018416900
• 20840130 cubed (20840130³) is 9051098084240590197000
• The square root of 20840130 is 4565.0991226917
• The cube root of 20840130 is 275.1905236197

Scales and comparisons

• 20,840,130 seconds is equal to 34 weeks, 3 days, 4 hours, 55 minutes, 30 seconds.
• To count from 1 to 20,840,130 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 20840130 cubic inches would be around 22.9 feet tall.

Recreational maths with 20840130

• 20840130 backwards is 03104802
• 20840130 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20840130's digits is 18
• More coming soon!