1491990675

Names of 1491990675

• Cardinal: 1491990675 can be written as One billion, four hundred ninety-one million, nine hundred ninety thousand, six hundred seventy-five.

Scientific notation

• Scientific notation: 1.491990675 × 10⁹

Factors of 1491990675

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 808

Divisors of 1491990675

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 15 19 21 25 35 57 75 95 105 133 175 285 373 399 401 475 525 665 1119 1203 1425 1865 1995 2005 2611 2807 3325 5595 6015 7087 7619 7833 8421 9325 9975 10025 13055 14035 21261 22857 27975 30075 35435 38095 39165 42105 49609 53333 65275 70175 106305 114285 148827 149573 159999 177175 190475 195825 210525 248045 266665 448719 531525 571425 744135 747865 799995 1047011 1240225 1333325 2243595 2841887 3141033 3720675 3739325 3999975 5235055 8525661 11217975 14209435 15705165 19893209 26175275 42628305 59679627 71047175 78525825 99466045 213141525 298398135 497330225 1491990675
• Sum of all divisors σ(n): 2982904320
• Sum of proper divisors (its aliquot sum) s(n): 1490913645
• 1491990675 is a deficient number, because the sum of its proper divisors (1490913645) is less than itself. Its deficiency is 1077030

Bases of 1491990675

• Binary: 1011000111011011111100010010011₂
• Hexadecimal: 0x58EDF893
• Base-36: OOAJDF

Squares and roots of 1491990675

• 1491990675 squared (1491990675²) is 2226036174286955625
• 1491990675 cubed (1491990675³) is 3321225214248812566638796875
• The square root of 1491990675 is 38626.2951239177
• The cube root of 1491990675 is 1142.6731858119

Scales and comparisons

• 1,491,990,675 seconds is equal to 47 years, 22 weeks, 6 days, 9 hours, 51 minutes, 15 seconds.
• To count from 1 to 1,491,990,675 would take you about ninety-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 1491990675 cubic inches would be around 95.2 feet tall.

Recreational maths with 1491990675

• 1491990675 backwards is 5760991941
• The number of decimal digits it has is: 10
• The sum of 1491990675's digits is 51
• More coming soon!