20188980

Names of 20188980

• Cardinal: 20188980 can be written as Twenty million, one hundred eighty-eight thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 2.018898 × 10⁷

Factors of 20188980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 126

Divisors of 20188980

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 49 54 60 63 70 84 90 98 105 108 109 126 135 140 147 180 189 196 210 218 245 252 270 294 315 327 343 378 420 436 441 490 540 545 588 630 654 686 735 756 763 882 945 980 981 1029 1090 1260 1308 1323 1372 1470 1526 1635 1715 1764 1890 1962 2058 2180 2205 2289 2646 2940 2943 3052 3087 3270 3430 3780 3815 3924 4116 4410 4578 4905 5145 5292 5341 5886 6174 6540 6615 6860 6867 7630 8820 9156 9261 9810 10290 10682 11445 11772 12348 13230 13734 14715 15260 15435 16023 18522 19620 20580 20601 21364 22890 26460 26705 27468 29430 30870 32046 34335 37044 37387 41202 45780 46305 48069 53410 58860 61740 64092 68670 74774 80115 82404 92610 96138 103005 106820 112161 137340 144207 149548 160230 185220 186935 192276 206010 224322 240345 288414 320460 336483 373870 412020 448644 480690 560805 576828 672966 721035 747740 961380 1009449 1121610 1345932 1442070 1682415 2018898 2243220 2884140 3364830 4037796 5047245 6729660 10094490 20188980
• Sum of all divisors σ(n): 73920000
• Sum of proper divisors (its aliquot sum) s(n): 53731020
• 20188980 is an abundant number, because the sum of its proper divisors (53731020) is greater than itself. Its abundance is 33542040

Bases of 20188980

• Binary: 1001101000000111100110100₂
• Hexadecimal: 0x1340F34
• Base-36: C0PX0

Squares and roots of 20188980

• 20188980 squared (20188980²) is 407594913440400
• 20188980 cubed (20188980³) is 8228925555549966792000
• The square root of 20188980 is 4493.2148846901
• The cube root of 20188980 is 272.2940339645

Scales and comparisons

• 20,188,980 seconds is equal to 33 weeks, 2 days, 16 hours, 3 minutes.
• To count from 1 to 20,188,980 would take you about fifty 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 20188980 cubic inches would be around 22.7 feet tall.

Recreational maths with 20188980

• 20188980 backwards is 08988102
• 20188980 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20188980's digits is 36
• More coming soon!