21039931 (number)

21039931 is an odd 8-digits composite number following 21039930 and preceding 21039932. In scientific notation, it is written as 2.1039931 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 17687680 positive integers (up to 21039931) that are relatively prime to 21039931.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-nine thousand nine hundred thirty-one

Notation

Scientific notation 2.1039931 × 10^7
Engineering notation 2.1039931 × 10^6

Prime Factorization of 21039931

Prime Factorization 11 × 17 × 59 × 1907

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21039931
Product of the distinct prime numbers

The prime factorization of 21039931 is 11 × 17 × 59 × 1907. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21039931)

Multiplication

n×y
n×2 42079862
n×3 63119793
n×4 84159724
n×5 105199655

Division

n÷y
n÷2 10519965.5
n÷3 7013310.3333333
n÷3 5259982.75
n÷5 4207986.2

Exponentiation

ny
n2 442678696484761
n3 9.3139292292093E+21
n4 1.9596442832145E+29
n5 4.1230780503377E+36

Nth Root

y√n
2√n 4586.9304551083
3√n 276.0671745406
4√n 67.726881333104
5√n 29.148006805013

Divisors of 21039931

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21039930
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21039931 can be divided by 16 positive divisors. The sum of these divisors (counting 21039931) is 1, the average is 0.0625.

Base conversion 21039931

Base System Value
2 Binary 1010000010000101100111011
3 Ternary 1110120221100201
4 Quaternary 1100100230323
5 Quinary 20341234211
6 Senary 2030543031
8 Octal 120205473
10 Decimal 21039931
12 Duodecimal 7067a77
16 Hexadecimal 1410b3b
20 Vigesimal 6b9jgb
36 Base36 ciyij

Cryptographic Hash Functions

md5 c6fea40505ef284a59a5a0eb4066685a
sha1 c3b83e1424cdaaa562c3e67316a5fef401cd7e87
sha256 a714e4b9214b659d4b20c7236706070cdbc1556dbde2c5a2b226c66471062a14
sha512 2be2a6d77d268e63475c2653a2f57730b22c94b7465a4981a97f35f556cb32a82096032afa6dd0ffcb73e3c82811f5b2b3ce9f523485ea0cceb929a0f408c32c
ripemd-160 edd6da2449d2dc129745ebf8ddd35f4bab4a22e9

21039931 as geometric shapes

Circle

Radius = n
Diameter 42079862
Circumference 132197785.32327
Area 1.3907161407772E+15

Sphere

Radius = n
Volume 3.9014095523386E+22
Surface area 5.5628645631089E+15
Circumference 132197785.32327

Square

Length = n
Perimeter 84159724
Area 442678696484761
Diagonal 29754955.771594

Cube

Length = n
Surface area 2656072178908566
Volume 9.3139292292093E+21
Space diagonal 36442229.479743

Equilateral Triangle

Length = n
Perimeter 63119793
Area 1.9168549843499E+14
Altitude 18221114.739872

Triangular Pyramid

Length = n
Surface area 1.9168549843499E+14
Volume 1.0976570862443E+21
Height 9918318.5905314