3943890401

Names of 3943890401

• Cardinal: 3943890401 can be written as Three billion, nine hundred forty-three million, eight hundred ninety thousand, four hundred one.

Scientific notation

• Scientific notation: 3.943890401 × 10⁹

Factors of 3943890401

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 726

Divisors of 3943890401

• Number of divisors d(n): 64
• Complete list of divisors:
  1 11 17 19 31 61 187 209 323 341 527 587 589 671 1037 1159 1891 3553 5797 6457 6479 9979 10013 11153 11407 12749 18197 19703 20801 32147 35807 35929 109769 110143 122683 189601 200167 216733 309349 345743 353617 393877 395219 608719 610793 680333 1110017 2085611 3402839 3803173 5877631 6695909 6718723 7483663 11565661 12210187 18870289 21090323 64653941 127222271 207573179 231993553 358535491 3943890401
• Sum of all divisors σ(n): 5039677440
• Sum of proper divisors (its aliquot sum) s(n): 1095787039
• 3943890401 is a deficient number, because the sum of its proper divisors (1095787039) is less than itself. Its deficiency is 2848103362

Bases of 3943890401

• Binary: 11101011000100101111110111100001₂
• Hexadecimal: 0xEB12FDE1
• Base-36: 1T839B5

Squares and roots of 3943890401

• 3943890401 squared (3943890401²) is 15554271495099940801
• 3943890401 cubed (3943890401³) is 61344342044072575060732151201
• The square root of 3943890401 is 62800.4012805651
• The cube root of 3943890401 is 1579.9437037305

Scales and comparisons

• 3,943,890,401 seconds is equal to 125 years, 20 weeks, 6 days, 21 hours, 6 minutes, 41 seconds.
• To count from 1 to 3,943,890,401 would take you about two hundred fifty 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 3943890401 cubic inches would be around 131.7 feet tall.

Recreational maths with 3943890401

• 3943890401 backwards is 1040983493
• The number of decimal digits it has is: 10
• The sum of 3943890401's digits is 41
• More coming soon!