21351738 (number)

21351738 is an even 8-digits composite number following 21351737 and preceding 21351739. In scientific notation, it is written as 2.1351738 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6924816 positive integers (up to 21351738) that are relatively prime to 21351738.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-one thousand seven hundred thirty-eight

Notation

Scientific notation 2.1351738 × 10^7
Engineering notation 2.1351738 × 10^6

Prime Factorization of 21351738

Prime Factorization 2 × 3 × 37 × 96179

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21351738
Product of the distinct prime numbers

The prime factorization of 21351738 is 2 × 3 × 37 × 96179. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21351738)

Multiplication

n×y
n×2 42703476
n×3 64055214
n×4 85406952
n×5 106758690

Division

n÷y
n÷2 10675869
n÷3 7117246
n÷3 5337934.5
n÷5 4270347.6

Exponentiation

ny
n2 455896715620644
n3 9.7341872269925E+21
n4 2.0784181531369E+29
n5 4.4377839860223E+36

Nth Root

y√n
2√n 4620.7940876001
3√n 277.42424358494
4√n 67.9764230274
5√n 29.23389254854

Divisors of 21351738

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 -21351737
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 21351738 can be divided by 16 positive divisors. The sum of these divisors (counting 21351738) is 1, the average is 0.0625.

Base conversion 21351738

Base System Value
2 Binary 1010001011100110100111010
3 Ternary 1111011210002010
4 Quaternary 1101130310322
5 Quinary 20431223423
6 Senary 2041350350
8 Octal 121346472
10 Decimal 21351738
12 Duodecimal 71983b6
16 Hexadecimal 145cd3a
20 Vigesimal 6d8j6i
36 Base36 cpn3u

Cryptographic Hash Functions

md5 fb66771a5330270d1b6cf41c2c021d49
sha1 347ea8194150438a3a13a672b52f7a55ec30fbe6
sha256 ef7d736138c4371ce374191ca0aec65db672fdd0c24daa19a003e01a76d7d653
sha512 dac792341ae1a4aa450e2409e3ee9d5669eb73a6842b3bda02114762466128209d4c891750bf36796e8dc081eacc6a7657f86aa41b9b1f46256ec379e22c2298
ripemd-160 6b1db10a9c0c20c94d866d8a1ca4aa99148d06be

21351738 as geometric shapes

Circle

Radius = n
Diameter 42703476
Circumference 134156926.48435
Area 1.4322417725895E+15

Sphere

Radius = n
Volume 4.0774468107983E+22
Surface area 5.7289670903581E+15
Circumference 134156926.48435

Square

Length = n
Perimeter 85406952
Area 455896715620644
Diagonal 30195917.459837

Cube

Length = n
Surface area 2735380293723864
Volume 9.7341872269925E+21
Space diagonal 36982295.045899

Equilateral Triangle

Length = n
Perimeter 64055214
Area 1.9740906861468E+14
Altitude 18491147.52295

Triangular Pyramid

Length = n
Surface area 1.9740906861468E+14
Volume 1.1471849662576E+21
Height 10065305.819946