2985990

Names of 2985990

• Cardinal: 2985990 can be written as Two million, nine hundred eighty-five thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.98599 × 10⁶

Factors of 2985990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 317

Divisors of 2985990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 59 70 105 118 177 210 241 295 354 413 482 590 723 826 885 1205 1239 1446 1687 1770 2065 2410 2478 3374 3615 4130 5061 6195 7230 8435 10122 12390 14219 16870 25305 28438 42657 50610 71095 85314 99533 142190 199066 213285 298599 426570 497665 597198 995330 1492995 2985990
• Sum of all divisors σ(n): 8363520
• Sum of proper divisors (its aliquot sum) s(n): 5377530
• 2985990 is an abundant number, because the sum of its proper divisors (5377530) is greater than itself. Its abundance is 2391540

Bases of 2985990

• Binary: 1011011001000000000110₂
• Hexadecimal: 0x2D9006
• Base-36: 1S006

Squares and roots of 2985990

• 2985990 squared (2985990²) is 8916136280100
• 2985990 cubed (2985990³) is 26623493771015799000
• The square root of 2985990 is 1728.0017361103
• The cube root of 2985990 is 144.0000964505

Scales and comparisons

• 2,985,990 seconds is equal to 4 weeks, 6 days, 13 hours, 26 minutes, 30 seconds.
• To count from 1 to 2,985,990 would take you about seven 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 2985990 cubic inches would be around 12 feet tall.

Recreational maths with 2985990

• 2985990 backwards is 0995892
• 2985990 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 2985990's digits is 42
• More coming soon!