664085120

Names of 664085120

• Cardinal: 664085120 can be written as Six hundred sixty-four million, eighty-five thousand, one hundred twenty.

Scientific notation

• Scientific notation: 6.6408512 × 10⁸

Factors of 664085120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 518

Divisors of 664085120

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 43 59 64 80 86 118 128 160 172 215 236 295 320 344 409 430 472 590 640 688 818 860 944 1180 1376 1636 1720 1888 2045 2360 2537 2752 3272 3440 3776 4090 4720 5074 5504 6544 6880 7552 8180 9440 10148 12685 13088 13760 16360 17587 18880 20296 24131 25370 26176 27520 32720 35174 37760 40592 48262 50740 52352 65440 70348 81184 87935 96524 101480 120655 130880 140696 162368 175870 193048 202960 241310 261760 281392 324736 351740 386096 405920 482620 562784 703480 772192 811840 965240 1037633 1125568 1406960 1544384 1623680 1930480 2075266 2251136 2813920 3088768 3860960 4150532 5188165 5627840 7721920 8301064 10376330 11255680 15443840 16602128 20752660 33204256 41505320 66408512 83010640 132817024 166021280 332042560 664085120
• Sum of all divisors σ(n): 1656072000
• Sum of proper divisors (its aliquot sum) s(n): 991986880
• 664085120 is an abundant number, because the sum of its proper divisors (991986880) is greater than itself. Its abundance is 327901760

Bases of 664085120

• Binary: 100111100101010010001010000000₂
• Hexadecimal: 0x27952280
• Base-36: AZDNCW

Squares and roots of 664085120

• 664085120 squared (664085120²) is 441009046605414400
• 664085120 cubed (664085120³) is 292867545636042214473728000
• The square root of 664085120 is 25769.8490488401
• The cube root of 664085120 is 872.4514117599

Scales and comparisons

• 664,085,120 seconds is equal to 21 years, 6 weeks, 4 hours, 5 minutes, 20 seconds.
• To count from 1 to 664,085,120 would take you about thirty-one 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 664085120 cubic inches would be around 72.7 feet tall.

Recreational maths with 664085120

• 664085120 backwards is 021580466
• 664085120 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 664085120's digits is 32
• More coming soon!