1648085985

Names of 1648085985

• Cardinal: 1648085985 can be written as One billion, six hundred forty-eight million, eighty-five thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.648085985 × 10⁹

Factors of 1648085985

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3324

Divisors of 1648085985

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 9 13 15 21 35 39 45 63 65 91 105 117 127 195 273 315 381 455 585 635 819 889 1143 1365 1651 1905 2667 3169 4095 4445 4953 5715 8001 8255 9507 11557 13335 14859 15845 22183 24765 28521 34671 40005 41197 47535 57785 66549 74295 104013 110915 123591 142605 173355 199647 205985 288379 332745 370773 402463 520065 617955 865137 998235 1207389 1441895 1853865 2012315 2595411 2817241 3622167 4325685 5232019 6036945 8451723 12977055 14086205 15696057 18110835 25355169 26160095 36624133 42258615 47088171 78480285 109872399 126775845 183120665 235440855 329617197 549361995 1648085985
• Sum of all divisors σ(n): 3544719360
• Sum of proper divisors (its aliquot sum) s(n): 1896633375
• 1648085985 is an abundant number, because the sum of its proper divisors (1896633375) is greater than itself. Its abundance is 248547390

Bases of 1648085985

• Binary: 1100010001110111100101111100001₂
• Hexadecimal: 0x623BCBE1
• Base-36: R987A9

Squares and roots of 1648085985

• 1648085985 squared (1648085985²) is 2716187413953420225
• 1648085985 cubed (1648085985³) is 4476510409570025315638046625
• The square root of 1648085985 is 40596.6252907801
• The cube root of 1648085985 is 1181.2086593409

Scales and comparisons

• 1,648,085,985 seconds is equal to 52 years, 21 weeks, 1 hour, 39 minutes, 45 seconds.
• To count from 1 to 1,648,085,985 would take you about one hundred four 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 1648085985 cubic inches would be around 98.4 feet tall.

Recreational maths with 1648085985

• 1648085985 backwards is 5895808461
• The number of decimal digits it has is: 10
• The sum of 1648085985's digits is 54
• More coming soon!