2729639968

Names of 2729639968

• Cardinal: 2729639968 can be written as Two billion, seven hundred twenty-nine million, six hundred thirty-nine thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 2.729639968 × 10⁹

Factors of 2729639968

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 102

Divisors of 2729639968

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 88 89 121 176 178 242 352 356 484 712 968 979 1424 1936 1958 2848 3872 3916 7832 7921 10769 15664 15842 21538 31328 31684 43076 63368 86152 87131 126736 172304 174262 253472 344608 348524 697048 704969 958441 1394096 1409938 1916882 2788192 2819876 3833764 5639752 7667528 7754659 11279504 15335056 15509318 22559008 30670112 31018636 62037272 85301249 124074544 170602498 248149088 341204996 682409992 1364819984 2729639968
• Sum of all divisors σ(n): 5974059420
• Sum of proper divisors (its aliquot sum) s(n): 3244419452
• 2729639968 is an abundant number, because the sum of its proper divisors (3244419452) is greater than itself. Its abundance is 514779484

Bases of 2729639968

• Binary: 10100010101100110000000000100000₂
• Hexadecimal: 0xA2B30020
• Base-36: 1955NOG

Squares and roots of 2729639968

• 2729639968 squared (2729639968²) is 7450934354903041024
• 2729639968 cubed (2729639968³) is 20338368214087637543854047232
• The square root of 2729639968 is 52245.9564751187
• The cube root of 2729639968 is 1397.5535450761

Scales and comparisons

• 2,729,639,968 seconds is equal to 86 years, 41 weeks, 2 days, 1 hour, 19 minutes, 28 seconds.
• To count from 1 to 2,729,639,968 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 2729639968 cubic inches would be around 116.5 feet tall.

Recreational maths with 2729639968

• 2729639968 backwards is 8699369272
• The number of decimal digits it has is: 10
• The sum of 2729639968's digits is 61
• More coming soon!