1142561808

Names of 1142561808

• Cardinal: 1142561808 can be written as One billion, one hundred forty-two million, five hundred sixty-one thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.142561808 × 10⁹

Factors of 1142561808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 139225

Divisors of 1142561808

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 36 38 48 54 57 72 76 108 114 144 152 171 216 228 304 342 432 456 513 684 912 1026 1368 2052 2736 4104 8208 139201 278402 417603 556804 835206 1113608 1252809 1670412 2227216 2505618 2644819 3340824 3758427 5011236 5289638 6681648 7516854 7934457 10022472 10579276 15033708 15868914 20044944 21158552 23803371 30067416 31737828 42317104 47606742 60134832 63475656 71410113 95213484 126951312 142820226 190426968 285640452 380853936 571280904 1142561808
• Sum of all divisors σ(n): 3452209600
• Sum of proper divisors (its aliquot sum) s(n): 2309647792
• 1142561808 is an abundant number, because the sum of its proper divisors (2309647792) is greater than itself. Its abundance is 1167085984

Bases of 1142561808

• Binary: 1000100000110100001110000010000₂
• Hexadecimal: 0x441A1C10
• Base-36: IW92C0

Squares and roots of 1142561808

• 1142561808 squared (1142561808²) is 1305447485100228864
• 1142561808 cubed (1142561808³) is 1491554438825170552065626112
• The square root of 1142561808 is 33801.8018454639
• The cube root of 1142561808 is 1045.4258493467

Scales and comparisons

• 1,142,561,808 seconds is equal to 36 years, 17 weeks, 1 day, 2 hours, 16 minutes, 48 seconds.
• To count from 1 to 1,142,561,808 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 1142561808 cubic inches would be around 87.1 feet tall.

Recreational maths with 1142561808

• 1142561808 backwards is 8081652411
• 1142561808 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1142561808's digits is 36
• More coming soon!