40821438609

Names of 40821438609

• Cardinal: 40821438609 can be written as Forty billion, eight hundred twenty-one million, four hundred thirty-eight thousand, six hundred nine.

Scientific notation

• Scientific notation: 4.0821438609 × 10¹⁰

Factors of 40821438609

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 136

Divisors of 40821438609

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 47 63 79 141 237 329 423 553 711 987 1659 2209 2961 3713 4977 6241 6627 11139 15463 18723 19881 25991 33417 43687 46389 56169 77973 103823 131061 139167 174511 233919 293327 311469 393183 523533 726761 879981 934407 1221577 1570599 2053289 2180283 2639943 3664731 6159867 6540849 8202017 10994193 13786369 18479601 24606051 41359107 57414119 73818153 96504583 124077321 172242357 289513749 516727071 647959343 868541247 1943878029 4535715401 5831634087 13607146203 40821438609
• Sum of all divisors σ(n): 69735294720
• Sum of proper divisors (its aliquot sum) s(n): 28913856111
• 40821438609 is a deficient number, because the sum of its proper divisors (28913856111) is less than itself. Its deficiency is 11907582498

Bases of 40821438609

• Binary: 100110000001001001011011100010010001₂
• Hexadecimal: 0x98125B891
• Base-36: IR413M9

Squares and roots of 40821438609

• 40821438609 squared (40821438609²) is 1666389850108355854881
• 40821438609 cubed (40821438609³) is 68024430964858960527950454500529
• The square root of 40821438609 is 202043.1602628509
• The cube root of 40821438609 is 3443.2041144813

Scales and comparisons

• 40,821,438,609 seconds is equal to 1,297 years, 51 weeks, 5 days, 8 hours, 30 minutes, 9 seconds.
• To count from 1 to 40,821,438,609 would take you about two thousand, five hundred ninety-five 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 40821438609 cubic inches would be around 286.9 feet tall.

Recreational maths with 40821438609

• 40821438609 backwards is 90683412804
• The number of decimal digits it has is: 11
• The sum of 40821438609's digits is 45
• More coming soon!