2729207145

Names of 2729207145

• Cardinal: 2729207145 can be written as Two billion, seven hundred twenty-nine million, two hundred seven thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 2.729207145 × 10⁹

Factors of 2729207145

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 592

Divisors of 2729207145

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 15 21 35 49 67 105 147 157 201 245 335 353 469 471 735 785 1005 1059 1099 1407 1765 2345 2355 2471 3283 3297 5295 5495 7035 7413 7693 9849 10519 12355 16415 16485 17297 23079 23651 31557 37065 38465 49245 51891 52595 55421 70953 73633 86485 115395 118255 157785 165557 166263 220899 259455 277105 354765 368165 387947 496671 515431 827785 831315 1104495 1158899 1163841 1546293 1939735 2483355 2577155 2715629 3476697 3713207 5794495 5819205 7731465 8146887 11139621 13578145 17383485 18566035 25992449 40734435 55698105 77977347 129962245 181947143 389886735 545841429 909735715 2729207145
• Sum of all divisors σ(n): 5203018368
• Sum of proper divisors (its aliquot sum) s(n): 2473811223
• 2729207145 is a deficient number, because the sum of its proper divisors (2473811223) is less than itself. Its deficiency is 255395922

Bases of 2729207145

• Binary: 10100010101011000110010101101001₂
• Hexadecimal: 0xA2AC6569
• Base-36: 194WDPL

Squares and roots of 2729207145

• 2729207145 squared (2729207145²) is 7448571640319051025
• 2729207145 cubed (2729207145³) is 20328694940803124137049573625
• The square root of 2729207145 is 52241.8141434619
• The cube root of 2729207145 is 1397.4796738819

Scales and comparisons

• 2,729,207,145 seconds is equal to 86 years, 40 weeks, 4 days, 1 hour, 5 minutes, 45 seconds.
• To count from 1 to 2,729,207,145 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 2729207145 cubic inches would be around 116.5 feet tall.

Recreational maths with 2729207145

• 2729207145 backwards is 5417029272
• The number of decimal digits it has is: 10
• The sum of 2729207145's digits is 39
• More coming soon!