21308904 (number)

21308904 is an even 8-digits composite number following 21308903 and preceding 21308905. In scientific notation, it is written as 2.1308904 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors. There are 6873120 positive integers (up to 21308904) that are relatively prime to 21308904.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eight thousand nine hundred four

Notation

Scientific notation 2.1308904 × 10^7
Engineering notation 2.1308904 × 10^6

Prime Factorization of 21308904

Prime Factorization 2 × 2 × 2 × 9 × 31 × 9547

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5327226
Product of the distinct prime numbers

The prime factorization of 21308904 is 2 × 2 × 2 × 9 × 31 × 9547. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 9, 46, 20, 747, 27, 4202, 1194, 47085, 29690, 222068, 472543, 4557903, 8176516, 89702478, 91555384, 849697354, 166058402, 9439598669, 590325729

Basic calculations (n = 21308904)

Multiplication

n×y
n×2 42617808
n×3 63926712
n×4 85235616
n×5 106544520

Division

n÷y
n÷2 10654452
n÷3 7102968
n÷3 5327226
n÷5 4261780.8

Exponentiation

ny
n2 454069389681216
n3 9.6757210340556E+21
n4 2.0617901064547E+29
n5 4.3934487446593E+36

Nth Root

y√n
2√n 4616.1568430893
3√n 277.23860459451
4√n 67.942305252981
5√n 29.222153826473

Divisors of 21308904

1, 2, 4, 8, 9, 18, 31, 36, 62, 72, 124, 248, 279, 558, 1116, 2232, 9547, 19094, 38188, 76376, 85923, 171846, 295957, 343692, 591914, 687384, 1183828, 2367656, 2663613, 5327226, 10654452, 21308904

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21308903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21308904 can be divided by 32 positive divisors. The sum of these divisors (counting 21308904) is 1, the average is 0.03125.

Base conversion 21308904

Base System Value
2 Binary 1010001010010010111101000
3 Ternary 1111002121022200
4 Quaternary 1101102113220
5 Quinary 20423341104
6 Senary 2040420200
8 Octal 121222750
10 Decimal 21308904
12 Duodecimal 7177660
16 Hexadecimal 14525e8
20 Vigesimal 6d3c54
36 Base36 coq20

Cryptographic Hash Functions

md5 8bf608c561701cbeec866200822a661a
sha1 9ccf7431a4075b00fb2a32298a908f1fcb9abcea
sha256 666882dcb8d136266647b6ba564a4393ec4d449d9e38f0f9be7b007dcd5ff5d3
sha512 3a3148d661c3287c0b17bdcfa9d5a27d35de8c013d5dd7f0d3335685588fa6658cb244ac0e7abf1bc81aa370c676486c600ce58a87c43b3664a067a1107adb49
ripemd-160 56101f071920a855f30f63d901f9c68977826f53

21308904 as geometric shapes

Circle

Radius = n
Diameter 42617808
Circumference 133887792.5249
Area 1.4265010588425E+15

Sphere

Radius = n
Volume 4.0529565491698E+22
Surface area 5.70600423537E+15
Circumference 133887792.5249

Square

Length = n
Perimeter 85235616
Area 454069389681216
Diagonal 30135341.036106

Cube

Length = n
Surface area 2724416338087296
Volume 9.6757210340556E+21
Space diagonal 36908104.381608

Equilateral Triangle

Length = n
Perimeter 63926712
Area 1.9661781327241E+14
Altitude 18454052.190804

Triangular Pyramid

Length = n
Surface area 1.9661781327241E+14
Volume 1.1402946593417E+21
Height 10045113.678702