1220989950

Names of 1220989950

• Cardinal: 1220989950 can be written as One billion, two hundred twenty million, nine hundred eighty-nine thousand, nine hundred fifty.

Scientific notation

• Scientific notation: 1.22098995 × 10⁹

Factors of 1220989950

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 100503

Divisors of 1220989950

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 81 90 135 150 162 225 243 270 405 450 486 675 810 1215 1350 2025 2430 4050 6075 12150 100493 200986 301479 502465 602958 904437 1004930 1507395 1808874 2512325 2713311 3014790 4522185 5024650 5426622 7536975 8139933 9044370 13566555 15073950 16279866 22610925 24419799 27133110 40699665 45221850 48839598 67832775 81399330 122098995 135665550 203498325 244197990 406996650 610494975 1220989950
• Sum of all divisors σ(n): 3401922888
• Sum of proper divisors (its aliquot sum) s(n): 2180932938
• 1220989950 is an abundant number, because the sum of its proper divisors (2180932938) is greater than itself. Its abundance is 959942988

Bases of 1220989950

• Binary: 1001000110001101101001111111110₂
• Hexadecimal: 0x48C6D3FE
• Base-36: K6Y1VI

Squares and roots of 1220989950

• 1220989950 squared (1220989950²) is 1490816458001002500
• 1220989950 cubed (1220989950³) is 1820271912513821142424875000
• The square root of 1220989950 is 34942.6666126099
• The cube root of 1220989950 is 1068.8186659483

Scales and comparisons

• 1,220,989,950 seconds is equal to 38 years, 42 weeks, 5 days, 19 hours, 52 minutes, 30 seconds.
• To count from 1 to 1,220,989,950 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 1220989950 cubic inches would be around 89.1 feet tall.

Recreational maths with 1220989950

• 1220989950 backwards is 0599890221
• 1220989950 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1220989950's digits is 45
• More coming soon!