21497794 (number)

21497794 is an even 8-digits composite number following 21497793 and preceding 21497795. In scientific notation, it is written as 2.1497794 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 10748896 positive integers (up to 21497794) that are relatively prime to 21497794.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497794 × 10^7
Engineering notation 2.1497794 × 10^6

Prime Factorization of 21497794

Prime Factorization 2 × 10748897

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21497794
Product of the distinct prime numbers

The prime factorization of 21497794 is 2 × 10748897. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497794)

Multiplication

n×y
n×2 42995588
n×3 64493382
n×4 85991176
n×5 107488970

Division

n÷y
n÷2 10748897
n÷3 7165931.3333333
n÷3 5374448.5
n÷5 4299558.8

Exponentiation

ny
n2 462155146866436
n3 9.9353161433744E+21
n4 2.1358737977514E+29
n5 4.5916574914057E+36

Nth Root

y√n
2√n 4636.571362548
3√n 278.05537775049
4√n 68.092373747344
5√n 29.273778296389

Divisors of 21497794

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 -21497793
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 21497794 can be divided by 4 positive divisors. The sum of these divisors (counting 21497794) is 1, the average is 0.25.

Base conversion 21497794

Base System Value
2 Binary 1010010000000011111000010
3 Ternary 1111110012102121
4 Quaternary 1102000133002
5 Quinary 21000412134
6 Senary 2044434454
8 Octal 122003702
10 Decimal 21497794
12 Duodecimal 7248a2a
16 Hexadecimal 14807c2
20 Vigesimal 6e749e
36 Base36 csrsy

Cryptographic Hash Functions

md5 76859e061bd9181d52aac250dcbec87d
sha1 d13503770aeb62039844da61f4c777695df475d6
sha256 2d99dbcddd3a065ec14b5905317ddf5e968deaf64aaabde4da48ca8656d06871
sha512 689cebd63ca859bc4b7ff615b417c939fff6671082fe251b381e92115639cb7fbe598a4dc8e46c8b7a720f9a4df7b5dcda204dbf82782fcfa57971eb3b7567f1
ripemd-160 9dee188210378770c1ed05f3a0e6ad7c56143249

21497794 as geometric shapes

Circle

Radius = n
Diameter 42995588
Circumference 135074623.39757
Area 1.4519032142143E+15

Sphere

Radius = n
Volume 4.1616954942823E+22
Surface area 5.8076128568572E+15
Circumference 135074623.39757

Square

Length = n
Perimeter 85991176
Area 462155146866436
Diagonal 30402471.835903

Cube

Length = n
Surface area 2772930881198616
Volume 9.9353161433744E+21
Space diagonal 37235271.458649

Equilateral Triangle

Length = n
Perimeter 64493382
Area 2.0011904883803E+14
Altitude 18617635.729325

Triangular Pyramid

Length = n
Surface area 2.0011904883803E+14
Volume 1.1708882363687E+21
Height 10134157.278634