1220005808

Names of 1220005808

• Cardinal: 1220005808 can be written as One billion, two hundred twenty million, five thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.220005808 × 10⁹

Factors of 1220005808

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3628

Divisors of 1220005808

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 167 266 304 334 532 668 1064 1169 1336 2128 2338 2672 3173 3433 4676 6346 6866 9352 12692 13732 18704 22211 24031 25384 27464 44422 48062 50768 54928 65227 88844 96124 130454 177688 192248 260908 355376 384496 456589 521816 573311 913178 1043632 1146622 1826356 2293244 3652712 4013177 4586488 7305424 8026354 9172976 10892909 16052708 21785818 32105416 43571636 64210832 76250363 87143272 152500726 174286544 305001452 610002904 1220005808
• Sum of all divisors σ(n): 2861483520
• Sum of proper divisors (its aliquot sum) s(n): 1641477712
• 1220005808 is an abundant number, because the sum of its proper divisors (1641477712) is greater than itself. Its abundance is 421471904

Bases of 1220005808

• Binary: 1001000101101111100111110110000₂
• Hexadecimal: 0x48B7CFB0
• Base-36: K6CYI8

Squares and roots of 1220005808

• 1220005808 squared (1220005808²) is 1488414171553732864
• 1220005808 cubed (1220005808³) is 1815873934005062478160474112
• The square root of 1220005808 is 34928.5815343251
• The cube root of 1220005808 is 1068.5314257803

Scales and comparisons

• 1,220,005,808 seconds is equal to 38 years, 41 weeks, 1 day, 10 hours, 30 minutes, 8 seconds.
• To count from 1 to 1,220,005,808 would take you about seventy-seven 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 1220005808 cubic inches would be around 89 feet tall.

Recreational maths with 1220005808

• 1220005808 backwards is 8085000221
• The number of decimal digits it has is: 10
• The sum of 1220005808's digits is 26
• More coming soon!