1948315509

Names of 1948315509

• Cardinal: 1948315509 can be written as One billion, nine hundred forty-eight million, three hundred fifteen thousand, five hundred nine.

Scientific notation

• Scientific notation: 1.948315509 × 10⁹

Factors of 1948315509

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 989

Divisors of 1948315509

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 43 49 63 127 129 147 301 381 387 441 809 889 903 1143 2107 2427 2667 2709 5461 5663 6223 6321 7281 8001 16383 16989 18669 18963 34787 38227 39641 49149 50967 56007 102743 104361 114681 118923 243509 267589 308229 313083 344043 356769 719201 730527 802767 924687 1704563 2157603 2191581 2408301 4417949 5034407 5113689 6472809 13253847 15103221 15341067 30925643 39761541 45309663 92776929 216479501 278330787 649438503 1948315509
• Sum of all divisors σ(n): 3380382720
• Sum of proper divisors (its aliquot sum) s(n): 1432067211
• 1948315509 is a deficient number, because the sum of its proper divisors (1432067211) is less than itself. Its deficiency is 516248298

Bases of 1948315509

• Binary: 1110100001000001110111101110101₂
• Hexadecimal: 0x7420EF75
• Base-36: W7Z5V9

Squares and roots of 1948315509

• 1948315509 squared (1948315509²) is 3795933322609929081
• 1948315509 cubed (1948315509³) is 7395675763570825185902417229
• The square root of 1948315509 is 44139.7271060889
• The cube root of 1948315509 is 1248.9731319179

Scales and comparisons

• 1,948,315,509 seconds is equal to 61 years, 49 weeks, 2 days, 22 hours, 45 minutes, 9 seconds.
• To count from 1 to 1,948,315,509 would take you about one hundred twenty-three 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 1948315509 cubic inches would be around 104.1 feet tall.

Recreational maths with 1948315509

• 1948315509 backwards is 9055138491
• The number of decimal digits it has is: 10
• The sum of 1948315509's digits is 45
• More coming soon!