2640415401

Names of 2640415401

• Cardinal: 2640415401 can be written as Two billion, six hundred forty million, four hundred fifteen thousand, four hundred one.

Scientific notation

• Scientific notation: 2.640415401 × 10⁹

Factors of 2640415401

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 640

Divisors of 2640415401

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 9 13 17 27 39 51 81 117 153 221 243 351 459 607 663 729 1053 1377 1821 1989 2187 3159 4131 5463 5967 6561 7891 9477 10319 12393 16389 17901 19683 23673 28431 30957 37179 49167 53703 71019 85293 92871 111537 134147 147501 161109 213057 255879 278613 334611 402441 442503 483327 639171 835839 1207323 1327509 1449981 1917513 2507517 3621969 3982527 4349943 5752539 7522551 10865907 11947581 17257617 22567653 32597721 51772851 67702959 97793163 155318553 203108877 293379489 880138467 2640415401
• Sum of all divisors σ(n): 4523549184
• Sum of proper divisors (its aliquot sum) s(n): 1883133783
• 2640415401 is a deficient number, because the sum of its proper divisors (1883133783) is less than itself. Its deficiency is 757281618

Bases of 2640415401

• Binary: 10011101011000011000101010101001₂
• Hexadecimal: 0x9D618AA9
• Base-36: 17O19K9

Squares and roots of 2640415401

• 2640415401 squared (2640415401²) is 6971793489837990801
• 2640415401 cubed (2640415401³) is 18408430903159767905856726201
• The square root of 2640415401 is 51384.9725211565
• The cube root of 2640415401 is 1382.1571320167

Scales and comparisons

• 2,640,415,401 seconds is equal to 83 years, 49 weeks, 5 days, 8 hours, 43 minutes, 21 seconds.
• To count from 1 to 2,640,415,401 would take you about one hundred sixty-seven 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 2640415401 cubic inches would be around 115.2 feet tall.

Recreational maths with 2640415401

• 2640415401 backwards is 1045140462
• 2640415401 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2640415401's digits is 27
• More coming soon!