4989126987

Names of 4989126987

• Cardinal: 4989126987 can be written as Four billion, nine hundred eighty-nine million, one hundred twenty-six thousand, nine hundred eighty-seven.

Scientific notation

• Scientific notation: 4.989126987 × 10⁹

Factors of 4989126987

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5539

Divisors of 4989126987

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 13 27 39 43 61 117 129 183 351 387 549 559 793 1161 1647 1677 2379 2623 5031 5419 7137 7869 15093 16257 21411 23607 34099 48771 70447 70821 102297 146313 211341 233017 306891 330559 634023 699051 920673 991677 1902069 2097153 2975031 3029221 4297267 6291459 8925093 9087663 12891801 14214037 27262989 38675403 42642111 81788967 116026209 127926333 184782481 383778999 554347443 1663042329 4989126987
• Sum of all divisors σ(n): 8280025600
• Sum of proper divisors (its aliquot sum) s(n): 3290898613
• 4989126987 is a deficient number, because the sum of its proper divisors (3290898613) is less than itself. Its deficiency is 1698228374

Bases of 4989126987

• Binary: 100101001011000000000100101001011₂
• Hexadecimal: 0x12960094B
• Base-36: 2AIEB0R

Squares and roots of 4989126987

• 4989126987 squared (4989126987²) is 24891388092411698169
• 4989126987 cubed (4989126987³) is 124186296075741653249456386803
• The square root of 4989126987 is 70633.7524629691
• The cube root of 4989126987 is 1708.7355410655

Scales and comparisons

• 4,989,126,987 seconds is equal to 158 years, 33 weeks, 1 day, 12 hours, 36 minutes, 27 seconds.
• To count from 1 to 4,989,126,987 would take you about three hundred seventeen 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 4989126987 cubic inches would be around 142.4 feet tall.

Recreational maths with 4989126987

• 4989126987 backwards is 7896219894
• The number of decimal digits it has is: 10
• The sum of 4989126987's digits is 63
• More coming soon!