21497769 (number)

21497769 is an odd 8-digits composite number following 21497768 and preceding 21497770. In scientific notation, it is written as 2.1497769 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 14331840 positive integers (up to 21497769) that are relatively prime to 21497769.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand seven hundred sixty-nine

Notation

Scientific notation 2.1497769 × 10^7
Engineering notation 2.1497769 × 10^6

Prime Factorization of 21497769

Prime Factorization 9 × 2388641

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21497769
Product of the distinct prime numbers

The prime factorization of 21497769 is 9 × 2388641. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497769)

Multiplication

n×y
n×2 42995538
n×3 64493307
n×4 85991076
n×5 107488845

Division

n÷y
n÷2 10748884.5
n÷3 7165923
n÷3 5374442.25
n÷5 4299553.8

Exponentiation

ny
n2 462154071977361
n3 9.9352814817787E+21
n4 2.1358638624526E+29
n5 4.5916307930453E+36

Nth Root

y√n
2√n 4636.5686665896
3√n 278.05526996599
4√n 68.092353951009
5√n 29.273771487832

Divisors of 21497769

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497768
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497769 can be divided by 4 positive divisors. The sum of these divisors (counting 21497769) is 1, the average is 0.25.

Base conversion 21497769

Base System Value
2 Binary 1010010000000011110101001
3 Ternary 1111110012101200
4 Quaternary 1102000132221
5 Quinary 21000412034
6 Senary 2044434413
8 Octal 122003651
10 Decimal 21497769
12 Duodecimal 7248a09
16 Hexadecimal 14807a9
20 Vigesimal 6e7489
36 Base36 csrs9

Cryptographic Hash Functions

md5 f392b2d843455337924769b8722d453d
sha1 f3f3d2594c7b38f92e5c28b0f8c150ac0a43fa58
sha256 6c948925adc7439829c1cc368b15ff420c38d30a88f5ded0a61a1073fba4f051
sha512 9f35a95e32b551d2d31b015506afb70ca4a8152cc956380c02569d5240c7e1546f7a75c4b4aaa329e31730983ab1b4353bced0307220f69493fcefcefae2c85e
ripemd-160 8cc5ff3d884394e64c33d8b342e03d15b8c0e89d

21497769 as geometric shapes

Circle

Radius = n
Diameter 42995538
Circumference 135074466.31794
Area 1.4518998373507E+15

Sphere

Radius = n
Volume 4.161680975267E+22
Surface area 5.8075993494027E+15
Circumference 135074466.31794

Square

Length = n
Perimeter 85991076
Area 462154071977361
Diagonal 30402436.480564

Cube

Length = n
Surface area 2772924431864166
Volume 9.9352814817787E+21
Space diagonal 37235228.157379

Equilateral Triangle

Length = n
Perimeter 64493307
Area 2.0011858339741E+14
Altitude 18617614.07869

Triangular Pyramid

Length = n
Surface area 2.0011858339741E+14
Volume 1.1708841514605E+21
Height 10134145.493521