1142158812

Names of 1142158812

• Cardinal: 1142158812 can be written as One billion, one hundred forty-two million, one hundred fifty-eight thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 1.142158812 × 10⁹

Factors of 1142158812

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1427

Divisors of 1142158812

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 12 41 82 123 164 246 492 1381 1681 2762 3362 4143 5043 5524 6724 8286 10086 16572 20172 56621 68921 113242 137842 169863 206763 226484 275684 339726 413526 679452 827052 2321461 4642922 6964383 9285844 13928766 27857532 95179901 190359802 285539703 380719604 571079406 1142158812
• Sum of all divisors σ(n): 2733640224
• Sum of proper divisors (its aliquot sum) s(n): 1591481412
• 1142158812 is an abundant number, because the sum of its proper divisors (1591481412) is greater than itself. Its abundance is 449322600

Bases of 1142158812

• Binary: 1000100000100111111010111011100₂
• Hexadecimal: 0x4413F5DC
• Base-36: IW0FDO

Squares and roots of 1142158812

• 1142158812 squared (1142158812²) is 1304526751829251344
• 1142158812 cubed (1142158812³) is 1489976725091516541912443328
• The square root of 1142158812 is 33795.8401582207
• The cube root of 1142158812 is 1045.3029232533

Scales and comparisons

• 1,142,158,812 seconds is equal to 36 years, 16 weeks, 3 days, 10 hours, 20 minutes, 12 seconds.
• To count from 1 to 1,142,158,812 would take you about seventy-two 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 1142158812 cubic inches would be around 87.1 feet tall.

Recreational maths with 1142158812

• 1142158812 backwards is 2188512411
• The number of decimal digits it has is: 10
• The sum of 1142158812's digits is 33
• More coming soon!