38913461890

Names of 38913461890

• Cardinal: 38913461890 can be written as Thirty-eight billion, nine hundred thirteen million, four hundred sixty-one thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 3.891346189 × 10¹⁰

Factors of 38913461890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 25507

Divisors of 38913461890

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 17 34 43 85 86 170 211 215 422 430 731 1055 1462 2110 3587 3655 7174 7310 9073 17935 18146 25229 35870 45365 50458 90730 126145 154241 252290 308482 428893 771205 857786 1084847 1542410 2144465 2169694 4288930 5323319 5424235 10646638 10848470 18442399 26616595 36884798 53233190 90496423 92211995 180992846 184423990 228902717 452482115 457805434 904964230 1144513585 2289027170 3891346189 7782692378 19456730945 38913461890
• Sum of all divisors σ(n): 76251922560
• Sum of proper divisors (its aliquot sum) s(n): 37338460670
• 38913461890 is a deficient number, because the sum of its proper divisors (37338460670) is less than itself. Its deficiency is 1575001220

Bases of 38913461890

• Binary: 100100001111011011000100111010000010₂
• Hexadecimal: 0x90F6C4E82
• Base-36: HVK2JCY

Squares and roots of 38913461890

• 38913461890 squared (38913461890²) is 1514257516264482372100
• 38913461890 cubed (38913461890³) is 58925002150803989947290149269000
• The square root of 38913461890 is 197264.9535269761
• The cube root of 38913461890 is 3388.7013031947

Scales and comparisons

• 38,913,461,890 seconds is equal to 1,237 years, 17 weeks, 6 hours, 58 minutes, 10 seconds.
• To count from 1 to 38,913,461,890 would take you about two thousand, four hundred seventy-four 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 38913461890 cubic inches would be around 282.4 feet tall.

Recreational maths with 38913461890

• 38913461890 backwards is 09816431983
• The number of decimal digits it has is: 11
• The sum of 38913461890's digits is 52
• More coming soon!