20047860

Names of 20047860

• Cardinal: 20047860 can be written as Twenty million, forty-seven thousand, eight hundred sixty.

Scientific notation

• Scientific notation: 2.004786 × 10⁷

Factors of 20047860

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2290

Divisors of 20047860

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 49 60 63 70 84 90 98 105 126 140 147 180 196 210 245 252 294 315 420 441 490 588 630 735 882 980 1260 1470 1764 2205 2273 2940 4410 4546 6819 8820 9092 11365 13638 15911 20457 22730 27276 31822 34095 40914 45460 47733 63644 68190 79555 81828 95466 102285 111377 136380 143199 159110 190932 204570 222754 238665 286398 318220 334131 409140 445508 477330 556885 572796 668262 715995 954660 1002393 1113770 1336524 1431990 1670655 2004786 2227540 2863980 3341310 4009572 5011965 6682620 10023930 20047860
• Sum of all divisors σ(n): 70771428
• Sum of proper divisors (its aliquot sum) s(n): 50723568
• 20047860 is an abundant number, because the sum of its proper divisors (50723568) is greater than itself. Its abundance is 30675708

Bases of 20047860

• Binary: 1001100011110011111110100₂
• Hexadecimal: 0x131E7F4
• Base-36: BXP10

Squares and roots of 20047860

• 20047860 squared (20047860²) is 401916690579600
• 20047860 cubed (20047860³) is 8057569544403139656000
• The square root of 20047860 is 4477.4836683119
• The cube root of 20047860 is 271.6581092231

Scales and comparisons

• 20,047,860 seconds is equal to 33 weeks, 1 day, 51 minutes.
• To count from 1 to 20,047,860 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 20047860 cubic inches would be around 22.6 feet tall.

Recreational maths with 20047860

• 20047860 backwards is 06874002
• The number of decimal digits it has is: 8
• The sum of 20047860's digits is 27
• More coming soon!