43991 (number)

43991 is an odd 5-digits prime number following 43990 and preceding 43992. In scientific notation, it is written as 4.3991 × 10^4. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 43990 positive integers (up to 43991) that are relatively prime to 43991.

Interesting facts

Basic properties

Name

Name forty-three thousand nine hundred ninety-one

Notation

Scientific notation 4.3991 × 10^4
Engineering notation 4.3991 × 10^3

Prime Factorization of 43991

Prime Factorization 43991

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 43991
Product of the distinct prime numbers

The prime factorization of 43991 is 43991. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 10, 95, 98, 100, 745, 1204, 1327, 498, 74439, 41867, 750680, 5549995, 1746355, 88419835, 29307586, 443336913, 623752008, 5090768771, 9770930119

Basic calculations (n = 43991)

Multiplication

n×y
n×2 87982
n×3 131973
n×4 175964
n×5 219955

Division

n÷y
n÷2 21995.5
n÷3 14663.666666667
n÷3 10997.75
n÷5 8798.2

Exponentiation

ny
n2 1935208081
n3 85131738691271
n4 3745030316767702561
n5 1.6474762866493E+23

Nth Root

y√n
2√n 209.74031562864
3√n 35.301076133441
4√n 14.482414012472
5√n 8.4854087375427

Divisors of 43991

1, 43991

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 43992
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 21996
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 209.74269951538
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999545371886
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 43991 can be divided by 2 positive divisors. The sum of these divisors (counting 43991) is 43992, the average is 21996.

Base conversion 43991

Base System Value
2 Binary 1010101111010111
3 Ternary 2020100022
4 Quaternary 22233113
5 Quinary 2401431
6 Senary 535355
8 Octal 125727
10 Decimal 43991
12 Duodecimal 2155b
16 Hexadecimal abd7
20 Vigesimal 59jb
36 Base36 xxz

Cryptographic Hash Functions

md5 9e4bbab2f64d76c5ec1acefe6d433b66
sha1 825ae93c1a76ada381e65d380383d66d5dbed11c
sha256 aa0082c560b2fdc5ad68a508369ba5a9b344d64bc9988f558757dd5677bb2c17
sha512 7d660459052fd75acbdb061530d7447e1e6be38612bca3edb4cca333e1ffe2ae46f8d9d32301237f4a308ace911236b098dd0421fdc6f6a986c6e6f392932d69
ripemd-160 5cf5fdaf7c74279f5fee16e69c28f8406e23759c

43991 as geometric shapes

Circle

Radius = n
Diameter 87982
Circumference 276403.60484814
Area 6079635490.4372

Sphere

Radius = n
Volume 3.5659899314643E+14
Surface area 24318541961.749
Circumference 276403.60484814

Square

Length = n
Perimeter 175964
Area 1935208081
Diagonal 62212.668822355

Cube

Length = n
Surface area 11611248486
Volume 85131738691271
Space diagonal 76194.647075762

Equilateral Triangle

Length = n
Perimeter 131973
Area 837969679.87747
Altitude 38097.323537881

Triangular Pyramid

Length = n
Surface area 837969679.87747
Volume 10032871620466
Height 20737.556274118