1491949944

Names of 1491949944

• Cardinal: 1491949944 can be written as One billion, four hundred ninety-one million, nine hundred forty-nine thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 1.491949944 × 10⁹

Factors of 1491949944

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 915

Divisors of 1491949944

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 167 334 501 668 743 1002 1336 1486 1503 2004 2229 2972 3006 4008 4458 5944 6012 6687 8916 12024 13374 17832 26748 27889 53496 55778 83667 111556 124081 167334 223112 248162 251001 334668 372243 496324 502002 669336 744486 992648 1004004 1116729 1488972 2008008 2233458 2977944 4466916 8933832 20721527 41443054 62164581 82886108 124329162 165772216 186493743 248658324 372987486 497316648 745974972 1491949944
• Sum of all divisors σ(n): 4070509560
• Sum of proper divisors (its aliquot sum) s(n): 2578559616
• 1491949944 is an abundant number, because the sum of its proper divisors (2578559616) is greater than itself. Its abundance is 1086609672

Bases of 1491949944

• Binary: 1011000111011010101100101111000₂
• Hexadecimal: 0x58ED5978
• Base-36: OO9NY0

Squares and roots of 1491949944

• 1491949944 squared (1491949944²) is 2225914635401603136
• 1491949944 cubed (1491949944³) is 3320953215636202216265424384
• The square root of 1491949944 is 38625.7678758623
• The cube root of 1491949944 is 1142.6627874793

Scales and comparisons

• 1,491,949,944 seconds is equal to 47 years, 22 weeks, 5 days, 22 hours, 32 minutes, 24 seconds.
• To count from 1 to 1,491,949,944 would take you about ninety-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 1491949944 cubic inches would be around 95.2 feet tall.

Recreational maths with 1491949944

• 1491949944 backwards is 4499491941
• The number of decimal digits it has is: 10
• The sum of 1491949944's digits is 54
• More coming soon!