51989000

Names of 51989000

• Cardinal: 51989000 can be written as Fifty-one million, nine hundred eighty-nine thousand.

Scientific notation

• Scientific notation: 5.1989 × 10⁷

Factors of 51989000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1075

Divisors of 51989000

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 25 28 35 40 49 50 56 70 98 100 125 140 175 196 200 245 250 280 350 392 490 500 700 875 980 1000 1061 1225 1400 1750 1960 2122 2450 3500 4244 4900 5305 6125 7000 7427 8488 9800 10610 12250 14854 21220 24500 26525 29708 37135 42440 49000 51989 53050 59416 74270 103978 106100 132625 148540 185675 207956 212200 259945 265250 297080 371350 415912 519890 530500 742700 928375 1039780 1061000 1299725 1485400 1856750 2079560 2599450 3713500 5198900 6498625 7427000 10397800 12997250 25994500 51989000
• Sum of all divisors σ(n): 141649560
• Sum of proper divisors (its aliquot sum) s(n): 89660560
• 51989000 is an abundant number, because the sum of its proper divisors (89660560) is greater than itself. Its abundance is 37671560

Bases of 51989000

• Binary: 11000110010100101000001000₂
• Hexadecimal: 0x3194A08
• Base-36: UYAYW

Squares and roots of 51989000

• 51989000 squared (51989000²) is 2702856121000000
• 51989000 cubed (51989000³) is 140518786874669000000000
• The square root of 51989000 is 7210.3397978181
• The cube root of 51989000 is 373.2247948367

Scales and comparisons

• 51,989,000 seconds is equal to 1 year, 33 weeks, 6 days, 17 hours, 23 minutes, 20 seconds.
• To count from 1 to 51,989,000 would take you about two years!

  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 51989000 cubic inches would be around 31.1 feet tall.

Recreational maths with 51989000

• 51989000 backwards is 00098915
• The number of decimal digits it has is: 8
• The sum of 51989000's digits is 32
• More coming soon!