21025904 (number)

21025904 is an even 8-digits composite number following 21025903 and preceding 21025905. In scientific notation, it is written as 2.1025904 × 10^7. The sum of its digits is 23. It has a total of 6 prime factors and 20 positive divisors. There are 10485120 positive integers (up to 21025904) that are relatively prime to 21025904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1025904 × 10^7
Engineering notation 2.1025904 × 10^6

Prime Factorization of 21025904

Prime Factorization 2 × 2 × 2 × 2 × 3049 × 431

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2628238
Product of the distinct prime numbers

The prime factorization of 21025904 is 2 × 2 × 2 × 2 × 3049 × 431. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 4, 74, 58, 503, 941, 5092, 9749, 26285, 95689, 642861, 600711, 7067693, 5124596, 79393271, 9064785, 799579401, 516224231, 3936175875, 8645233180

Basic calculations (n = 21025904)

Multiplication

n×y
n×2 42051808
n×3 63077712
n×4 84103616
n×5 105129520

Division

n÷y
n÷2 10512952
n÷3 7008634.6666667
n÷3 5256476
n÷5 4205180.8

Exponentiation

ny
n2 442088639017216
n3 9.2953132834666E+21
n4 1.9544236474809E+29
n5 4.1093523987264E+36

Nth Root

y√n
2√n 4585.4011820123
3√n 276.00581098176
4√n 67.715590391078
5√n 29.144119262158

Divisors of 21025904

1, 2, 4, 8, 16, 431, 862, 1724, 3049, 3448, 6098, 6896, 12196, 24392, 48784, 1314119, 2628238, 5256476, 10512952, 21025904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21025903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21025904 can be divided by 20 positive divisors. The sum of these divisors (counting 21025904) is 1, the average is 0.05.

Base conversion 21025904

Base System Value
2 Binary 1010000001101010001110000
3 Ternary 1110120020010012
4 Quaternary 1100031101300
5 Quinary 20340312104
6 Senary 2030354052
8 Octal 120152160
10 Decimal 21025904
12 Duodecimal 705b928
16 Hexadecimal 140d470
20 Vigesimal 6b84f4
36 Base36 cinow

Cryptographic Hash Functions

md5 16f833a71dbaeda270e70fc988ac46c4
sha1 3c3ab1cb963bea34d1a32a4a1b6ccd62d67a0284
sha256 bc0d86d1fb328f06dc6ef7604ed15469dddc573607eb599ab136b2f084ed6202
sha512 c9eae95b8d3c2bc316fba29b8e609f6e4085d669ac4017ec6bb39db04f7559cb510b382e4ad2d3e90092274a0df21c44300bb4a3cced9e5a8142b94ef5a03362
ripemd-160 a7f56295f4f41be001dcb07ef9186a0ccf7f535d

21025904 as geometric shapes

Circle

Radius = n
Diameter 42051808
Circumference 132109651.08297
Area 1.388862420572E+15

Sphere

Radius = n
Volume 3.8936117232206E+22
Surface area 5.555449682288E+15
Circumference 132109651.08297

Square

Length = n
Perimeter 84103616
Area 442088639017216
Diagonal 29735118.597955

Cube

Length = n
Surface area 2652531834103296
Volume 9.2953132834666E+21
Space diagonal 36417934.003066

Equilateral Triangle

Length = n
Perimeter 63077712
Area 1.914299960567E+14
Altitude 18208967.001533

Triangular Pyramid

Length = n
Surface area 1.914299960567E+14
Volume 1.0954631759988E+21
Height 9911706.1993182