21051925 (number)

21051925 is an odd 8-digits composite number following 21051924 and preceding 21051926. In scientific notation, it is written as 2.1051925 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors. There are 16841520 positive integers (up to 21051925) that are relatively prime to 21051925.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-one thousand nine hundred twenty-five

Notation

Scientific notation 2.1051925 × 10^7
Engineering notation 2.1051925 × 10^6

Prime Factorization of 21051925

Prime Factorization 5 × 5 × 842077

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 4210385
Product of the distinct prime numbers

The prime factorization of 21051925 is 5 × 5 × 842077. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21051925)

Multiplication

n×y
n×2 42103850
n×3 63155775
n×4 84207700
n×5 105259625

Division

n÷y
n÷2 10525962.5
n÷3 7017308.3333333
n÷3 5262981.25
n÷5 4210385

Exponentiation

ny
n2 443183546205625
n3 9.3298667759549E+21
n4 1.9641165562739E+29
n5 4.1348434433937E+36

Nth Root

y√n
2√n 4588.2376791095
3√n 276.11962275929
4√n 67.736531348376
5√n 29.151329263661

Divisors of 21051925

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21051924
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21051925 can be divided by 6 positive divisors. The sum of these divisors (counting 21051925) is 1, the average is 0.16666666666667.

Base conversion 21051925

Base System Value
2 Binary 1010000010011101000010101
3 Ternary 1110121112210221
4 Quaternary 1100103220111
5 Quinary 20342130200
6 Senary 2031114341
8 Octal 120235025
10 Decimal 21051925
12 Duodecimal 70729b1
16 Hexadecimal 1413a15
20 Vigesimal 6bb9g5
36 Base36 cj7rp

Cryptographic Hash Functions

md5 c2142228eee443193317c8393738a638
sha1 2a2592716a7b603f1cdbdb8e12e5978b57972135
sha256 f22f3124a2fe152e309d2f17b60d90d2d79a55fbbcb99df4013c8a207f0ab2fd
sha512 058c4e7939987b4a587e9245ec40050d9e76e26379d1fdef3380bd147416b868d52515e75be554222bf98d15db5807dbfc6b0a3f191ad240bf995699133faf87
ripemd-160 bb837be44f95f7d7ad9922d3cb7cd8c088c9d5ec

21051925 as geometric shapes

Circle

Radius = n
Diameter 42103850
Circumference 132273145.84785
Area 1.3923021729515E+15

Sphere

Radius = n
Volume 3.9080854563082E+22
Surface area 5.5692086918059E+15
Circumference 132273145.84785

Square

Length = n
Perimeter 84207700
Area 443183546205625
Diagonal 29771917.849061

Cube

Length = n
Surface area 2659101277233750
Volume 9.3298667759549E+21
Space diagonal 36463003.697129

Equilateral Triangle

Length = n
Perimeter 63155775
Area 1.9190410477667E+14
Altitude 18231501.848565

Triangular Pyramid

Length = n
Surface area 1.9190410477667E+14
Volume 1.0995353441408E+21
Height 9923972.6163537