21497748 (number)

21497748 is an even 8-digits composite number following 21497747 and preceding 21497749. In scientific notation, it is written as 2.1497748 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 7095936 positive integers (up to 21497748) that are relatively prime to 21497748.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand seven hundred forty-eight

Notation

Scientific notation 2.1497748 × 10^7
Engineering notation 2.1497748 × 10^6

Prime Factorization of 21497748

Prime Factorization 2 × 2 × 3 × 103 × 17393

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10748874
Product of the distinct prime numbers

The prime factorization of 21497748 is 2 × 2 × 3 × 103 × 17393. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 6, 45, 79, 596, 865, 9598, 9828, 31636, 51394, 110704, 703136, 9881381, 2438777, 4735273, 64202007, 217075377, 984434234, 4464273890, 9890925442

Basic calculations (n = 21497748)

Multiplication

n×y
n×2 42995496
n×3 64493244
n×4 85990992
n×5 107488740

Division

n÷y
n÷2 10748874
n÷3 7165916
n÷3 5374437
n÷5 4299549.6

Exponentiation

ny
n2 462153169071504
n3 9.9352523661006E+21
n4 2.1358555168283E+29
n5 4.5916083665185E+36

Nth Root

y√n
2√n 4636.5664019833
3√n 278.05517942694
4√n 68.092337322075
5√n 29.273765768639

Divisors of 21497748

1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 17393, 34786, 52179, 69572, 104358, 208716, 1791479, 3582958, 5374437, 7165916, 10748874, 21497748

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497747
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497748 can be divided by 24 positive divisors. The sum of these divisors (counting 21497748) is 1, the average is 0.041666666666667.

Base conversion 21497748

Base System Value
2 Binary 1010010000000011110010100
3 Ternary 1111110012100220
4 Quaternary 1102000132110
5 Quinary 21000411443
6 Senary 2044434340
8 Octal 122003624
10 Decimal 21497748
12 Duodecimal 72489b0
16 Hexadecimal 1480794
20 Vigesimal 6e7478
36 Base36 csrro

Cryptographic Hash Functions

md5 4688e8d02aaf7ebb487eaa86edaef715
sha1 4315d9fa03dcdf43c41a7ade217f360f43ad05b6
sha256 085c707b86cedf70fc180d1849749289b36bd9082a3356b383c370562d4dcd17
sha512 e1ffffd6daa831e3d83773f254d3bcef1f00a86099369b8a058e5f25ab354449302fe913760754c3d73952d9381da9410e9a49e8feb1d4c2743c7b32786c5cb1
ripemd-160 ca195022edb7a33c3af6461d797a7734461a446e

21497748 as geometric shapes

Circle

Radius = n
Diameter 42995496
Circumference 135074334.37105
Area 1.4518970007883E+15

Sphere

Radius = n
Volume 4.1616687793203E+22
Surface area 5.8075880031531E+15
Circumference 135074334.37105

Square

Length = n
Perimeter 85990992
Area 462153169071504
Diagonal 30402406.782079

Cube

Length = n
Surface area 2772919014429024
Volume 9.9352523661006E+21
Space diagonal 37235191.784312

Equilateral Triangle

Length = n
Perimeter 64493244
Area 2.001181924277E+14
Altitude 18617595.892156

Triangular Pyramid

Length = n
Surface area 2.001181924277E+14
Volume 1.1708807201449E+21
Height 10134135.594026