20974800

Names of 20974800

• Cardinal: 20974800 can be written as Twenty million, nine hundred seventy-four thousand, eight hundred.

Scientific notation

• Scientific notation: 2.09748 × 10⁷

Factors of 20974800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 255

Divisors of 20974800

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 25 28 30 33 35 40 42 44 48 50 55 56 60 66 70 75 77 80 84 88 100 105 110 112 120 132 140 150 154 165 168 175 176 200 210 220 227 231 240 264 275 280 300 308 330 336 350 385 400 420 440 454 462 525 528 550 560 600 616 660 681 700 770 825 840 880 908 924 1050 1100 1135 1155 1200 1232 1320 1362 1400 1540 1589 1650 1680 1816 1848 1925 2100 2200 2270 2310 2497 2640 2724 2800 3080 3178 3300 3405 3632 3696 3850 4200 4400 4540 4620 4767 4994 5448 5675 5775 6160 6356 6600 6810 7491 7700 7945 8400 9080 9240 9534 9988 10896 11350 11550 12485 12712 13200 13620 14982 15400 15890 17025 17479 18160 18480 19068 19976 22700 23100 23835 24970 25424 27240 29964 30800 31780 34050 34958 37455 38136 39725 39952 45400 46200 47670 49940 52437 54480 59928 62425 63560 68100 69916 74910 76272 79450 87395 90800 92400 95340 99880 104874 119175 119856 124850 127120 136200 139832 149820 158900 174790 187275 190680 199760 209748 238350 249700 262185 272400 279664 299640 317800 349580 374550 381360 419496 436975 476700 499400 524370 599280 635600 699160 749100 838992 873950 953400 998800 1048740 1310925 1398320 1498200 1747900 1906800 2097480 2621850 2996400 3495800 4194960 5243700 6991600 10487400 20974800
• Sum of all divisors σ(n): 84137472
• Sum of proper divisors (its aliquot sum) s(n): 63162672
• 20974800 is an abundant number, because the sum of its proper divisors (63162672) is greater than itself. Its abundance is 42187872

Bases of 20974800

• Binary: 1010000000000110011010000₂
• Hexadecimal: 0x1400CD0
• Base-36: CHK9C

Squares and roots of 20974800

• 20974800 squared (20974800²) is 439942235040000
• 20974800 cubed (20974800³) is 9227700391516992000000
• The square root of 20974800 is 4579.8253241801
• The cube root of 20974800 is 275.7820164989

Scales and comparisons

• 20,974,800 seconds is equal to 34 weeks, 4 days, 18 hours, 20 minutes.
• To count from 1 to 20,974,800 would take you about three hours!

  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 20974800 cubic inches would be around 23 feet tall.

Recreational maths with 20974800

• 20974800 backwards is 00847902
• 20974800 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20974800's digits is 30
• More coming soon!