2742445845

Names of 2742445845

• Cardinal: 2742445845 can be written as Two billion, seven hundred forty-two million, four hundred forty-five thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 2.742445845 × 10⁹

Factors of 2742445845

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1132

Divisors of 2742445845

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 9 15 19 31 45 57 93 95 107 155 171 279 285 321 465 535 589 855 963 967 1395 1605 1767 2033 2901 2945 3317 4815 4835 5301 6099 8703 8835 9951 10165 14505 16585 18297 18373 26505 29853 29977 30495 43515 49755 55119 63023 89931 91485 91865 103469 149265 149885 165357 189069 269793 275595 310407 315115 449655 517345 567207 569563 826785 931221 945345 1348965 1552035 1708689 1965911 2836035 2847815 3207539 4656105 5126067 5897733 8543445 9622617 9829555 16037695 17693199 25630335 28867851 29488665 48113085 60943241 88465995 144339255 182829723 304716205 548489169 914148615 2742445845
• Sum of all divisors σ(n): 5218836480
• Sum of proper divisors (its aliquot sum) s(n): 2476390635
• 2742445845 is a deficient number, because the sum of its proper divisors (2476390635) is less than itself. Its deficiency is 266055210

Bases of 2742445845

• Binary: 10100011011101100110011100010101₂
• Hexadecimal: 0xA3766715
• Base-36: 19CS4R9

Squares and roots of 2742445845

• 2742445845 squared (2742445845²) is 7521009212757764025
• 2742445845 cubed (2742445845³) is 20625960465734250941851726125
• The square root of 2742445845 is 52368.3668353329
• The cube root of 2742445845 is 1399.7356380089

Scales and comparisons

• 2,742,445,845 seconds is equal to 87 years, 10 weeks, 3 days, 6 hours, 30 minutes, 45 seconds.
• To count from 1 to 2,742,445,845 would take you about one hundred seventy-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 2742445845 cubic inches would be around 116.6 feet tall.

Recreational maths with 2742445845

• 2742445845 backwards is 5485442472
• 2742445845 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2742445845's digits is 45
• More coming soon!