1028872220

Names of 1028872220

• Cardinal: 1028872220 can be written as One billion, twenty-eight million, eight hundred seventy-two thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.02887222 × 10⁹

Factors of 1028872220

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2212

Divisors of 1028872220

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 10 20 73 146 292 365 409 730 818 1460 1636 1723 2045 3446 4090 6892 8180 8615 17230 29857 34460 59714 119428 125779 149285 251558 298570 503116 597140 628895 704707 1257790 1409414 2515580 2818828 3523535 7047070 14094140 51443611 102887222 205774444 257218055 514436110 1028872220
• Sum of all divisors σ(n): 2196858720
• Sum of proper divisors (its aliquot sum) s(n): 1167986500
• 1028872220 is an abundant number, because the sum of its proper divisors (1167986500) is greater than itself. Its abundance is 139114280

Bases of 1028872220

• Binary: 111101010100110101100000011100₂
• Hexadecimal: 0x3D53581C
• Base-36: H0KAVW

Squares and roots of 1028872220

• 1028872220 squared (1028872220²) is 1058578045087728400
• 1028872220 cubed (1028872220³) is 1089141543292671213665048000
• The square root of 1028872220 is 32076.0380969969
• The cube root of 1028872220 is 1009.5329082223

Scales and comparisons

• 1,028,872,220 seconds is equal to 32 years, 37 weeks, 1 day, 5 hours, 50 minutes, 20 seconds.
• To count from 1 to 1,028,872,220 would take you about sixty-five 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 1028872220 cubic inches would be around 84.1 feet tall.

Recreational maths with 1028872220

• 1028872220 backwards is 0222788201
• The number of decimal digits it has is: 10
• The sum of 1028872220's digits is 32
• More coming soon!