2728943568

Names of 2728943568

• Cardinal: 2728943568 can be written as Two billion, seven hundred twenty-eight million, nine hundred forty-three thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 2.728943568 × 10⁹

Factors of 2728943568

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 485941

Divisors of 2728943568

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 104 108 117 144 156 208 216 234 312 351 432 468 624 702 936 1404 1872 2808 5616 485923 971846 1457769 1943692 2915538 3887384 4373307 5831076 6316999 7774768 8746614 11662152 12633998 13119921 17493228 18950997 23324304 25267996 26239842 34986456 37901994 50535992 52479684 56852991 69972912 75803988 101071984 104959368 113705982 151607976 170558973 209918736 227411964 303215952 341117946 454823928 682235892 909647856 1364471784 2728943568
• Sum of all divisors σ(n): 8435640640
• Sum of proper divisors (its aliquot sum) s(n): 5706697072
• 2728943568 is an abundant number, because the sum of its proper divisors (5706697072) is greater than itself. Its abundance is 2977753504

Bases of 2728943568

• Binary: 10100010101010000101111111010000₂
• Hexadecimal: 0xA2A85FD0
• Base-36: 194QQC0

Squares and roots of 2728943568

• 2728943568 squared (2728943568²) is 7447132997328570624
• 2728943568 cubed (2728943568³) is 20322805693100363986998546432
• The square root of 2728943568 is 52239.2914193905
• The cube root of 2728943568 is 1397.4346845815

Scales and comparisons

• 2,728,943,568 seconds is equal to 86 years, 40 weeks, 23 hours, 52 minutes, 48 seconds.
• To count from 1 to 2,728,943,568 would take you about one hundred seventy-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 2728943568 cubic inches would be around 116.5 feet tall.

Recreational maths with 2728943568

• 2728943568 backwards is 8653498272
• 2728943568 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2728943568's digits is 54
• More coming soon!