20004920

Names of 20004920

• Cardinal: 20004920 can be written as Twenty million, four thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.000492 × 10⁷

Factors of 20004920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 141

Divisors of 20004920

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 13 17 20 26 31 34 40 52 62 65 68 73 85 104 124 130 136 146 155 170 221 248 260 292 310 340 365 403 442 520 527 584 620 680 730 806 884 949 1054 1105 1240 1241 1460 1612 1768 1898 2015 2108 2210 2263 2482 2635 2920 3224 3796 4030 4216 4420 4526 4745 4964 5270 6205 6851 7592 8060 8840 9052 9490 9928 10540 11315 12410 13702 16120 16133 18104 18980 21080 22630 24820 27404 29419 32266 34255 37960 38471 45260 49640 54808 58838 64532 68510 76942 80665 90520 117676 129064 137020 147095 153884 161330 192355 235352 274040 294190 307768 322660 384710 500123 588380 645320 769420 1000246 1176760 1538840 2000492 2500615 4000984 5001230 10002460 20004920
• Sum of all divisors σ(n): 53706240
• Sum of proper divisors (its aliquot sum) s(n): 33701320
• 20004920 is an abundant number, because the sum of its proper divisors (33701320) is greater than itself. Its abundance is 13696400

Bases of 20004920

• Binary: 1001100010100000000111000₂
• Hexadecimal: 0x1314038
• Base-36: BWRW8

Squares and roots of 20004920

• 20004920 squared (20004920²) is 400196824206400
• 20004920 cubed (20004920³) is 8005905452503095488000
• The square root of 20004920 is 4472.6859938967
• The cube root of 20004920 is 271.4640180591

Scales and comparisons

• 20,004,920 seconds is equal to 33 weeks, 12 hours, 55 minutes, 20 seconds.
• To count from 1 to 20,004,920 would take you about forty-nine 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 20004920 cubic inches would be around 22.6 feet tall.

Recreational maths with 20004920

• 20004920 backwards is 02940002
• 20004920 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20004920's digits is 17
• More coming soon!