21025839 (number)

21025839 is an odd 8-digits composite number following 21025838 and preceding 21025840. In scientific notation, it is written as 2.1025839 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 13623456 positive integers (up to 21025839) that are relatively prime to 21025839.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1025839 × 10^7
Engineering notation 2.1025839 × 10^6

Prime Factorization of 21025839

Prime Factorization 43 × 3 × 419 × 389

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21025839
Product of the distinct prime numbers

The prime factorization of 21025839 is 43 × 3 × 419 × 389. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 82, 47, 13, 507, 797, 8833, 56134, 27322, 279312, 388297, 5876553, 1753219, 31378882, 43566687, 327729007, 711505953, 1326020847, 8267782074

Basic calculations (n = 21025839)

Multiplication

n×y
n×2 42051678
n×3 63077517
n×4 84103356
n×5 105129195

Division

n÷y
n÷2 10512919.5
n÷3 7008613
n÷3 5256459.75
n÷5 4205167.8

Exponentiation

ny
n2 442085905653921
n3 9.2952270764485E+21
n4 1.9543994797785E+29
n5 4.1092888803506E+36

Nth Root

y√n
2√n 4585.3940942955
3√n 276.0055265644
4√n 67.715538056605
5√n 29.144101242765

Divisors of 21025839

1, 3, 43, 129, 389, 419, 1167, 1257, 16727, 18017, 50181, 54051, 162991, 488973, 7008613, 21025839

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 -21025838
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 21025839 can be divided by 16 positive divisors. The sum of these divisors (counting 21025839) is 1, the average is 0.0625.

Base conversion 21025839

Base System Value
2 Binary 1010000001101010000101111
3 Ternary 1110120020000210
4 Quaternary 1100031100233
5 Quinary 20340311324
6 Senary 2030353503
8 Octal 120152057
10 Decimal 21025839
12 Duodecimal 705b893
16 Hexadecimal 140d42f
20 Vigesimal 6b84bj
36 Base36 cinn3

Cryptographic Hash Functions

md5 1184a735d19b8f075c3b8ce4925f95c7
sha1 31c5fdbe0737e7de4ee2d4a22f98659264821c0e
sha256 fe1c9a0b629aef39ac0f1483b60ba1223088e3af117dce350c607a343b75c02f
sha512 580c73cd58ba775f52f9e9556f45a737f49552b7896368b2cfe7f547b5a3dd5395635319a5a23ab6c894fb8c1dd2886a2411e3e0b09a0d62d003d0518ee5bb5a
ripemd-160 0d4ac4c6d334665d46d2a1a436f9ff686b8689b2

21025839 as geometric shapes

Circle

Radius = n
Diameter 42051678
Circumference 132109242.67592
Area 1.3888538334579E+15

Sphere

Radius = n
Volume 3.8935756129093E+22
Surface area 5.5554153338318E+15
Circumference 132109242.67592

Square

Length = n
Perimeter 84103356
Area 442085905653921
Diagonal 29735026.674073

Cube

Length = n
Surface area 2652515433923526
Volume 9.2952270764485E+21
Space diagonal 36417821.419763

Equilateral Triangle

Length = n
Perimeter 63077517
Area 1.9142881247567E+14
Altitude 18208910.709882

Triangular Pyramid

Length = n
Surface area 1.9142881247567E+14
Volume 1.0954530164043E+21
Height 9911675.5580244