40991 (number)

40991 is an odd 5-digits composite number following 40990 and preceding 40992. In scientific notation, it is written as 4.0991 × 10^4. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 40584 positive integers (up to 40991) that are relatively prime to 40991.

Interesting facts

Basic properties

Name

Name forty thousand nine hundred ninety-one

Notation

Scientific notation 4.0991 × 10^4
Engineering notation 4.0991 × 10^3

Prime Factorization of 40991

Prime Factorization 179 × 229

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 40991
Product of the distinct prime numbers

The prime factorization of 40991 is 179 × 229. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 9, 74, 1, 58, 674, 9465, 9412, 54637, 40980, 481360, 190392, 4944635, 9362180, 55808445, 28824944, 702580755, 88709036, 6298550206, 4379663366

Basic calculations (n = 40991)

Multiplication

n×y
n×2 81982
n×3 122973
n×4 163964
n×5 204955

Division

n÷y
n÷2 20495.5
n÷3 13663.666666667
n÷3 10247.75
n÷5 8198.2

Exponentiation

ny
n2 1680262081
n3 68875622962271
n4 2823280660846450561
n5 1.1572909756876E+23

Nth Root

y√n
2√n 202.4623421775
3√n 34.479649133403
4√n 14.228926248228
5√n 8.3663822417264

Divisors of 40991

1, 179, 229, 40991

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -40990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 40991 can be divided by 4 positive divisors. The sum of these divisors (counting 40991) is 1, the average is 0.25.

Base conversion 40991

Base System Value
2 Binary 1010000000011111
3 Ternary 2002020012
4 Quaternary 22000133
5 Quinary 2302431
6 Senary 513435
8 Octal 120037
10 Decimal 40991
12 Duodecimal 1b87b
16 Hexadecimal a01f
20 Vigesimal 529b
36 Base36 vmn

Cryptographic Hash Functions

md5 41ca9e4fc93fff22596daa94dd437689
sha1 08826b62f0952223224a39bd33e59564689e0930
sha256 3d2b4b912adf9449f788cefa1f6f8ce7f0d8cbe6de55f1208f65cf2ae9e69c88
sha512 6e65783f6dcbe04a027c1c6d83cd8f6fc9f1f80e875f0fc58d63b4252920bda913dfd36ffa6864dd5d8041eaf8f14e348687ec25285ccff1bfe11553e1d8c2c3
ripemd-160 4db062656cba432aecc8eb92e1c730bdb0547fa6

40991 as geometric shapes

Circle

Radius = n
Diameter 81982
Circumference 257554.0489266
Area 5278699009.7751

Sphere

Radius = n
Volume 2.8850553481292E+14
Surface area 21114796039.1
Circumference 257554.0489266

Square

Length = n
Perimeter 163964
Area 1680262081
Diagonal 57970.028135236

Cube

Length = n
Surface area 10081572486
Volume 68875622962271
Space diagonal 70998.494653056

Equilateral Triangle

Length = n
Perimeter 122973
Area 727574823.58085
Altitude 35499.247326528

Triangular Pyramid

Length = n
Surface area 727574823.58085
Volume 8117070009178.3
Height 19323.342711745