20394900

Names of 20394900

• Cardinal: 20394900 can be written as Twenty million, three hundred ninety-four thousand, nine hundred.

Scientific notation

• Scientific notation: 2.03949 × 10⁷

Factors of 20394900

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 101

Divisors of 20394900

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 25 30 31 34 36 43 45 50 51 60 62 68 75 85 86 90 93 100 102 124 129 150 153 155 170 172 180 186 204 215 225 255 258 279 300 306 310 340 372 387 425 430 450 465 510 516 527 558 612 620 645 731 765 774 775 850 860 900 930 1020 1054 1075 1116 1275 1290 1333 1395 1462 1530 1548 1550 1581 1700 1860 1935 2108 2150 2193 2325 2550 2580 2635 2666 2790 2924 3060 3100 3162 3225 3655 3825 3870 3999 4300 4386 4650 4743 5100 5270 5332 5580 6324 6450 6579 6665 6975 7310 7650 7740 7905 7998 8772 9300 9486 9675 10540 10965 11997 12900 13158 13175 13330 13950 14620 15300 15810 15996 18275 18972 19350 19995 21930 22661 23715 23994 26316 26350 26660 27900 31620 32895 33325 36550 38700 39525 39990 43860 45322 47430 47988 52700 54825 59985 65790 66650 67983 73100 79050 79980 90644 94860 99975 109650 113305 118575 119970 131580 133300 135966 158100 164475 199950 203949 219300 226610 237150 239940 271932 299925 328950 339915 399900 407898 453220 474300 566525 599850 657900 679830 815796 1019745 1133050 1199700 1359660 1699575 2039490 2266100 3399150 4078980 5098725 6798300 10197450 20394900
• Sum of all divisors σ(n): 71495424
• Sum of proper divisors (its aliquot sum) s(n): 51100524
• 20394900 is an abundant number, because the sum of its proper divisors (51100524) is greater than itself. Its abundance is 30705624

Bases of 20394900

• Binary: 1001101110011001110010100₂
• Hexadecimal: 0x1373394
• Base-36: C54T0

Squares and roots of 20394900

• 20394900 squared (20394900²) is 415951946010000
• 20394900 cubed (20394900³) is 8483298343679349000000
• The square root of 20394900 is 4516.0713014743
• The cube root of 20394900 is 273.2166697581

Scales and comparisons

• 20,394,900 seconds is equal to 33 weeks, 5 days, 1 hour, 15 minutes.
• To count from 1 to 20,394,900 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 20394900 cubic inches would be around 22.8 feet tall.

Recreational maths with 20394900

• 20394900 backwards is 00949302
• The number of decimal digits it has is: 8
• The sum of 20394900's digits is 27
• More coming soon!