40020221878

Names of 40020221878

• Cardinal: 40020221878 can be written as Forty billion, twenty million, two hundred twenty-one thousand, eight hundred seventy-eight.

Scientific notation

• Scientific notation: 4.0020221878 × 10¹⁰

Factors of 40020221878

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 286

Divisors of 40020221878

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 7 13 14 26 49 53 91 98 106 182 211 371 422 637 689 742 1274 1378 1477 2597 2743 2809 2954 4823 5194 5486 5618 9646 10339 11183 19201 19663 20678 22366 33761 36517 38402 39326 67522 73034 78281 134407 137641 145379 148877 156562 255619 268814 275282 290758 297754 511238 547967 592699 1017653 1042139 1095934 1185398 1789333 1935401 2035306 2084278 3578666 3870802 4148893 7123571 7294973 7705087 8297786 13547807 14247142 14589946 15410174 27095614 29042251 31413047 53935609 58084502 62826094 94834649 107871218 189669298 219891329 377549263 408369611 439782658 755098526 816739222 1539239303 2858587277 3078478606 5717174554 20010110939 40020221878
• Sum of all divisors σ(n): 77012298720
• Sum of proper divisors (its aliquot sum) s(n): 36992076842
• 40020221878 is a deficient number, because the sum of its proper divisors (36992076842) is less than itself. Its deficiency is 3028145036

Bases of 40020221878

• Binary: 100101010001011001000001111110110110₂
• Hexadecimal: 0x951641FB6
• Base-36: IDV08TY

Squares and roots of 40020221878

• 40020221878 squared (40020221878²) is 1601618159164349846884
• 40020221878 cubed (40020221878³) is 64097114093591199939913006928152
• The square root of 40020221878 is 200050.5483071717
• The cube root of 40020221878 is 3420.5281116787

Scales and comparisons

• 40,020,221,878 seconds is equal to 1,272 years, 27 weeks, 17 minutes, 58 seconds.
• To count from 1 to 40,020,221,878 would take you about two thousand, five hundred forty-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 40020221878 cubic inches would be around 285 feet tall.

Recreational maths with 40020221878

• 40020221878 backwards is 87812202004
• The number of decimal digits it has is: 11
• The sum of 40020221878's digits is 34
• More coming soon!