20746740

Names of 20746740

• Cardinal: 20746740 can be written as Twenty million, seven hundred forty-six thousand, seven hundred forty.

Scientific notation

• Scientific notation: 2.074674 × 10⁷

Factors of 20746740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1115

Divisors of 20746740

• 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 47 60 70 84 94 105 140 141 188 210 235 282 329 420 470 564 658 705 940 987 1051 1316 1410 1645 1974 2102 2820 3153 3290 3948 4204 4935 5255 6306 6580 7357 9870 10510 12612 14714 15765 19740 21020 22071 29428 31530 36785 44142 49397 63060 73570 88284 98794 110355 147140 148191 197588 220710 246985 296382 345779 441420 493970 592764 691558 740955 987940 1037337 1383116 1481910 1728895 2074674 2963820 3457790 4149348 5186685 6915580 10373370 20746740
• Sum of all divisors σ(n): 67866624
• Sum of proper divisors (its aliquot sum) s(n): 47119884
• 20746740 is an abundant number, because the sum of its proper divisors (47119884) is greater than itself. Its abundance is 26373144

Bases of 20746740

• Binary: 1001111001001000111110100₂
• Hexadecimal: 0x13C91F4
• Base-36: CCOAC

Squares and roots of 20746740

• 20746740 squared (20746740²) is 430427220627600
• 20746740 cubed (20746740³) is 8929961635283454024000
• The square root of 20746740 is 4554.8589440289
• The cube root of 20746740 is 274.7788414729

Scales and comparisons

• 20,746,740 seconds is equal to 34 weeks, 2 days, 2 hours, 59 minutes.
• To count from 1 to 20,746,740 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 20746740 cubic inches would be around 22.9 feet tall.

Recreational maths with 20746740

• 20746740 backwards is 04764702
• 20746740 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20746740's digits is 30
• More coming soon!