21506057 (number)

21506057 is an odd 8-digits composite number following 21506056 and preceding 21506058. In scientific notation, it is written as 2.1506057 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 21373956 positive integers (up to 21506057) that are relatively prime to 21506057.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred six thousand fifty-seven

Notation

Scientific notation 2.1506057 × 10^7
Engineering notation 2.1506057 × 10^6

Prime Factorization of 21506057

Prime Factorization 163 × 131939

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21506057
Product of the distinct prime numbers

The prime factorization of 21506057 is 163 × 131939. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21506057)

Multiplication

n×y
n×2 43012114
n×3 64518171
n×4 86024228
n×5 107530285

Division

n÷y
n÷2 10753028.5
n÷3 7168685.6666667
n÷3 5376514.25
n÷5 4301211.4

Exponentiation

ny
n2 462510487687249
n3 9.9467769112998E+21
n4 2.139159512207E+29
n5 4.6004886401615E+36

Nth Root

y√n
2√n 4637.4623448606
3√n 278.09099810733
4√n 68.098915886089
5√n 29.276028313754

Divisors of 21506057

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 -21506056
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 21506057 can be divided by 4 positive divisors. The sum of these divisors (counting 21506057) is 1, the average is 0.25.

Base conversion 21506057

Base System Value
2 Binary 1010010000010100000001001
3 Ternary 1111110121202122
4 Quaternary 1102002200021
5 Quinary 21001143212
6 Senary 2044541025
8 Octal 122024011
10 Decimal 21506057
12 Duodecimal 7251775
16 Hexadecimal 1482809
20 Vigesimal 6e852h
36 Base36 csy6h

Cryptographic Hash Functions

md5 213e2b607e52cd4592c6f143f5b7e981
sha1 262921ffb2ee82e6079ab0b6f76342cdf134e739
sha256 88c07f5dcb96932d932400d158e28030c4c5b3fcaa1814a1dde3eb0e9a1f1abb
sha512 0754c0f798f292653255763d5dd31a5bc632262a29aa75f8f1f15a07cf145efa286403e53c4df8e01d1beb671387215c5c3daea2d0418ba214a2d63d536ef525
ripemd-160 c2d2ea7228104c2102fec922fe0b55d7ba8c1102

21506057 as geometric shapes

Circle

Radius = n
Diameter 43012114
Circumference 135126541.35777
Area 1.4530195503265E+15

Sphere

Radius = n
Volume 4.1664961695248E+22
Surface area 5.812078201306E+15
Circumference 135126541.35777

Square

Length = n
Perimeter 86024228
Area 462510487687249
Diagonal 30414157.482569

Cube

Length = n
Surface area 2775062926123494
Volume 9.9467769112998E+21
Space diagonal 37249583.394472

Equilateral Triangle

Length = n
Perimeter 64518171
Area 2.0027291592694E+14
Altitude 18624791.697236

Triangular Pyramid

Length = n
Surface area 2.0027291592694E+14
Volume 1.1722389008216E+21
Height 10138052.49419