1009139742

Names of 1009139742

• Cardinal: 1009139742 can be written as One billion, nine million, one hundred thirty-nine thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 1.009139742 × 10⁹

Factors of 1009139742

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 75696

Divisors of 1009139742

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 13 18 19 26 27 38 39 54 57 78 114 117 171 234 247 342 351 494 513 702 741 1026 1482 2223 4446 6669 13338 75659 151318 226977 453954 680931 983567 1361862 1437521 1967134 2042793 2875042 2950701 4085586 4312563 5901402 8625126 8852103 12937689 17704206 18687773 25875378 26556309 37375546 38813067 53112618 56063319 77626134 112126638 168189957 336379914 504569871 1009139742
• Sum of all divisors σ(n): 2542176000
• Sum of proper divisors (its aliquot sum) s(n): 1533036258
• 1009139742 is an abundant number, because the sum of its proper divisors (1533036258) is greater than itself. Its abundance is 523896516

Bases of 1009139742

• Binary: 111100001001100100000000011110₂
• Hexadecimal: 0x3C26401E
• Base-36: GOTD7I

Squares and roots of 1009139742

• 1009139742 squared (1009139742²) is 1018363018883826564
• 1009139742 cubed (1009139742³) is 1027670594138765866767706488
• The square root of 1009139742 is 31766.9599112033
• The cube root of 1009139742 is 1003.0373458565

Scales and comparisons

• 1,009,139,742 seconds is equal to 32 years, 4 weeks, 3 days, 20 hours, 35 minutes, 42 seconds.
• To count from 1 to 1,009,139,742 would take you about sixty-four 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 1009139742 cubic inches would be around 83.6 feet tall.

Recreational maths with 1009139742

• 1009139742 backwards is 2479319001
• The number of decimal digits it has is: 10
• The sum of 1009139742's digits is 36
• More coming soon!