20368920

Names of 20368920

• Cardinal: 20368920 can be written as Twenty million, three hundred sixty-eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.036892 × 10⁷

Factors of 20368920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1221

Divisors of 20368920

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 20 22 24 26 30 33 39 40 44 52 55 60 65 66 78 88 104 110 120 130 132 143 156 165 195 220 260 264 286 312 330 390 429 440 520 572 660 715 780 858 1144 1187 1320 1430 1560 1716 2145 2374 2860 3432 3561 4290 4748 5720 5935 7122 8580 9496 11870 13057 14244 15431 17160 17805 23740 26114 28488 30862 35610 39171 46293 47480 52228 61724 65285 71220 77155 78342 92586 104456 123448 130570 142440 154310 156684 169741 185172 195855 231465 261140 308620 313368 339482 370344 391710 462930 509223 522280 617240 678964 783420 848705 925860 1018446 1357928 1566840 1697410 1851720 2036892 2546115 3394820 4073784 5092230 6789640 10184460 20368920
• Sum of all divisors σ(n): 71850240
• Sum of proper divisors (its aliquot sum) s(n): 51481320
• 20368920 is an abundant number, because the sum of its proper divisors (51481320) is greater than itself. Its abundance is 31112400

Bases of 20368920

• Binary: 1001101101100111000011000₂
• Hexadecimal: 0x136CE18
• Base-36: C4KRC

Squares and roots of 20368920

• 20368920 squared (20368920²) is 414892901966400
• 20368920 cubed (20368920³) is 8450920328721444288000
• The square root of 20368920 is 4513.1939909559
• The cube root of 20368920 is 273.1006083047

Scales and comparisons

• 20,368,920 seconds is equal to 33 weeks, 4 days, 18 hours, 2 minutes.
• To count from 1 to 20,368,920 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 20368920 cubic inches would be around 22.8 feet tall.

Recreational maths with 20368920

• 20368920 backwards is 02986302
• 20368920 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20368920's digits is 30
• More coming soon!