1445711729

Names of 1445711729

• Cardinal: 1445711729 can be written as One billion, four hundred forty-five million, seven hundred eleven thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.445711729 × 10⁹

Factors of 1445711729

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 147

Divisors of 1445711729

• Number of divisors d(n): 80
• Complete list of divisors:
  1 7 11 19 43 49 67 77 133 209 301 343 469 473 539 737 817 931 1273 1463 2107 2401 2881 3283 3311 3773 5159 5719 6517 8911 8987 10241 14003 14749 20167 22981 23177 26411 31691 36113 40033 45619 54739 62377 62909 71687 98021 103243 141169 160867 162239 221837 252791 280231 383173 436639 440363 501809 602129 686147 988183 1135673 1552859 1769537 1961617 2682211 3056473 3082541 4214903 4803029 6917281 10870013 18775477 21577787 29504321 33621203 76090091 131428339 206530247 1445711729
• Sum of all divisors σ(n): 2011342080
• Sum of proper divisors (its aliquot sum) s(n): 565630351
• 1445711729 is a deficient number, because the sum of its proper divisors (565630351) is less than itself. Its deficiency is 880081378

Bases of 1445711729

• Binary: 1010110001010111100111101110001₂
• Hexadecimal: 0x562BCF71
• Base-36: NWQMB5

Squares and roots of 1445711729

• 1445711729 squared (1445711729²) is 2090082403368169441
• 1445711729 cubed (1445711729³) is 3021656645125871666113073489
• The square root of 1445711729 is 38022.5160792919
• The cube root of 1445711729 is 1130.7343046193

Scales and comparisons

• 1,445,711,729 seconds is equal to 45 years, 50 weeks, 2 days, 18 hours, 35 minutes, 29 seconds.
• To count from 1 to 1,445,711,729 would take you about ninety-one 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 1445711729 cubic inches would be around 94.2 feet tall.

Recreational maths with 1445711729

• 1445711729 backwards is 9271175441
• The number of decimal digits it has is: 10
• The sum of 1445711729's digits is 41
• More coming soon!