21025857 (number)

21025857 is an odd 8-digits composite number following 21025856 and preceding 21025858. In scientific notation, it is written as 2.1025857 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14017236 positive integers (up to 21025857) that are relatively prime to 21025857.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1025857 × 10^7
Engineering notation 2.1025857 × 10^6

Prime Factorization of 21025857

Prime Factorization 3 × 7008619

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21025857
Product of the distinct prime numbers

The prime factorization of 21025857 is 3 × 7008619. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21025857)

Multiplication

n×y
n×2 42051714
n×3 63077571
n×4 84103428
n×5 105129285

Division

n÷y
n÷2 10512928.5
n÷3 7008619
n÷3 5256464.25
n÷5 4205171.4

Exponentiation

ny
n2 442086662584449
n3 9.2952509491079E+21
n4 1.9544061723506E+29
n5 4.109306469976E+36

Nth Root

y√n
2√n 4585.3960570489
3√n 276.00560532619
4√n 67.71555254924
5√n 29.144106232755

Divisors of 21025857

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 -21025856
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 21025857 can be divided by 4 positive divisors. The sum of these divisors (counting 21025857) is 1, the average is 0.25.

Base conversion 21025857

Base System Value
2 Binary 1010000001101010001000001
3 Ternary 1110120020001110
4 Quaternary 1100031101001
5 Quinary 20340311412
6 Senary 2030353533
8 Octal 120152101
10 Decimal 21025857
12 Duodecimal 705b8a9
16 Hexadecimal 140d441
20 Vigesimal 6b84ch
36 Base36 cinnl

Cryptographic Hash Functions

md5 585d8db3bcff457756559af4c2f0094b
sha1 73173e2105a7b1846469791154bcd3236cbaa2af
sha256 994b0483eb4a2dc1293f8ee75efe831fd9c0f18951ae3ba97fa3ae5d31bcbd6d
sha512 514b25417973e0796d61fe5aaf102a706c3407e82ea4b2cddda9c78d3bbe77b4a55e33eece21e79c9a8d0fe9c3771d1a873f612460008989254290710b817a16
ripemd-160 5d658ced6bf26e1e51194861044199b13a94d884

21025857 as geometric shapes

Circle

Radius = n
Diameter 42051714
Circumference 132109355.77326
Area 1.3888562114253E+15

Sphere

Radius = n
Volume 3.8935856126654E+22
Surface area 5.5554248457013E+15
Circumference 132109355.77326

Square

Length = n
Perimeter 84103428
Area 442086662584449
Diagonal 29735052.129917

Cube

Length = n
Surface area 2652519975506694
Volume 9.2952509491079E+21
Space diagonal 36417852.596678

Equilateral Triangle

Length = n
Perimeter 63077571
Area 1.9142914023621E+14
Altitude 18208926.298339

Triangular Pyramid

Length = n
Surface area 1.9142914023621E+14
Volume 1.0954558298241E+21
Height 9911684.0433058