1028863120

Names of 1028863120

• Cardinal: 1028863120 can be written as One billion, twenty-eight million, eight hundred sixty-three thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.02886312 × 10⁹

Factors of 1028863120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 44525

Divisors of 1028863120

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 289 340 578 680 1156 1360 1445 2312 2890 4624 5780 11560 23120 44501 89002 178004 222505 356008 445010 712016 756517 890020 1513034 1780040 3026068 3560080 3782585 6052136 7565170 12104272 12860789 15130340 25721578 30260680 51443156 60521360 64303945 102886312 128607890 205772624 257215780 514431560 1028863120
• Sum of all divisors σ(n): 2541153204
• Sum of proper divisors (its aliquot sum) s(n): 1512290084
• 1028863120 is an abundant number, because the sum of its proper divisors (1512290084) is greater than itself. Its abundance is 483426964

Bases of 1028863120

• Binary: 111101010100110011010010010000₂
• Hexadecimal: 0x3D533490
• Base-36: H0K3V4

Squares and roots of 1028863120

• 1028863120 squared (1028863120²) is 1058559319696134400
• 1028863120 cubed (1028863120³) is 1089112644367642290723328000
• The square root of 1028863120 is 32075.8962462469
• The cube root of 1028863120 is 1009.5299318965

Scales and comparisons

• 1,028,863,120 seconds is equal to 32 years, 37 weeks, 1 day, 3 hours, 18 minutes, 40 seconds.
• To count from 1 to 1,028,863,120 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 1028863120 cubic inches would be around 84.1 feet tall.

Recreational maths with 1028863120

• 1028863120 backwards is 0213688201
• The number of decimal digits it has is: 10
• The sum of 1028863120's digits is 31
• More coming soon!