6464390625

Names of 6464390625

• Cardinal: 6464390625 can be written as Six billion, four hundred sixty-four million, three hundred ninety thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 6.464390625 × 10⁹

Factors of 6464390625

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 225

Divisors of 6464390625

• Number of divisors d(n): 224
• Complete list of divisors:
  1 3 5 7 9 11 15 21 25 27 33 35 45 55 63 75 77 99 105 125 135 165 175 189 199 225 231 275 297 315 375 385 495 525 597 625 675 693 825 875 945 995 1125 1155 1375 1393 1485 1575 1791 1875 1925 2079 2189 2475 2625 2985 3125 3375 3465 4125 4179 4375 4725 4975 5373 5625 5775 6567 6875 6965 7425 7875 8955 9375 9625 10395 10945 12375 12537 13125 14925 15323 15625 16875 17325 19701 20625 20895 21875 23625 24875 26865 28125 28875 32835 34375 34825 37125 37611 39375 44775 45969 46875 48125 51975 54725 59103 61875 62685 65625 74625 76615 84375 86625 98505 103125 104475 109375 118125 124375 134325 137907 140625 144375 164175 171875 174125 185625 188055 196875 223875 229845 240625 259875 273625 295515 309375 313425 328125 373125 383075 413721 421875 433125 492525 515625 522375 590625 621875 671625 689535 721875 820875 870625 928125 940275 984375 1119375 1149225 1203125 1299375 1368125 1477575 1546875 1567125 1865625 1915375 2068605 2165625 2462625 2611875 2953125 3109375 3358125 3447675 3609375 4104375 4353125 4640625 4701375 5596875 5746125 6496875 6840625 7387875 7835625 9328125 9576875 10343025 10828125 12313125 13059375 16790625 17238375 20521875 21765625 23506875 27984375 28730625 32484375 34203125 36939375 39178125 47884375 51715125 61565625 65296875 83953125 86191875 102609375 117534375 143653125 184696875 195890625 239421875 258575625 307828125 430959375 587671875 718265625 923484375 1292878125 2154796875 6464390625
• Sum of all divisors σ(n): 14999808000
• Sum of proper divisors (its aliquot sum) s(n): 8535417375
• 6464390625 is an abundant number, because the sum of its proper divisors (8535417375) is greater than itself. Its abundance is 2071026750

Bases of 6464390625

• Binary: 110000001010011101100010111100001₂
• Hexadecimal: 0x1814EC5E1
• Base-36: 2YWQBQ9

Squares and roots of 6464390625

• 6464390625 squared (6464390625²) is 41788346152587890625
• 6464390625 cubed (6464390625³) is 270136193103043979644775390625
• The square root of 6464390625 is 80401.4342222823
• The cube root of 6464390625 is 1862.8413259701

Scales and comparisons

• 6,464,390,625 seconds is equal to 205 years, 28 weeks, 3 days, 8 hours, 3 minutes, 45 seconds.
• To count from 1 to 6,464,390,625 would take you about four hundred eleven 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 6464390625 cubic inches would be around 155.2 feet tall.

Recreational maths with 6464390625

• 6464390625 backwards is 5260934646
• 6464390625 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6464390625's digits is 45
• More coming soon!