21697440 (number)

21697440 is an even 8-digits composite number following 21697439 and preceding 21697441. In scientific notation, it is written as 2.1697440 × 10^7. The sum of its digits is 33. It has a total of 9 prime factors and 96 positive divisors. There are 5443584 positive integers (up to 21697440) that are relatively prime to 21697440.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1697440 × 10^7
Engineering notation 2.1697440 × 10^6

Prime Factorization of 21697440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 5 × 17 × 2659

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 1356090
Product of the distinct prime numbers

The prime factorization of 21697440 is 2 × 2 × 2 × 2 × 2 × 3 × 5 × 17 × 2659. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21697440)

Multiplication

n×y
n×2 43394880
n×3 65092320
n×4 86789760
n×5 108487200

Division

n÷y
n÷2 10848720
n÷3 7232480
n÷3 5424360
n÷5 4339488

Exponentiation

ny
n2 470778902553600
n3 1.0214696991423E+22
n4 2.2163277508957E+29
n5 4.8088638395395E+36

Nth Root

y√n
2√n 4658.0510946103
3√n 278.91347633671
4√n 68.24991644398
5√n 29.327949460359

Divisors of 21697440

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21697439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21697440 can be divided by 96 positive divisors. The sum of these divisors (counting 21697440) is 1, the average is 0.010416666666667.

Base conversion 21697440

Base System Value
2 Binary 1010010110001001110100000
3 Ternary 1111211100021220
4 Quaternary 1102301032200
5 Quinary 21023304230
6 Senary 2053015040
8 Octal 122611640
10 Decimal 21697440
12 Duodecimal 7324480
16 Hexadecimal 14b13a0
20 Vigesimal 6fc3c0
36 Base36 cx1uo

Cryptographic Hash Functions

md5 97cb872e2e41908b0585b2cc5566d77b
sha1 ddc79b9775498cc4c6ea11f9cfab27c97d3d3add
sha256 5e673a8b001d2b5408d9086921dddb5c6e914627c9682429b03b390a32462d42
sha512 234bbbd20d873043a5094c3e30065b2c7a378053b979a0388efe4413e0ea2fd44992a3efc9bc6607041f52121374fc8ab7e35da1085f6e4bca05b07beb6de3d6
ripemd-160 4d1312ec7a14e59d5714038b623306cc1ebe1946

21697440 as geometric shapes

Circle

Radius = n
Diameter 43394880
Circumference 136329036.21141
Area 1.4789955417275E+15

Sphere

Radius = n
Volume 4.2787222702532E+22
Surface area 5.9159821669098E+15
Circumference 136329036.21141

Square

Length = n
Perimeter 86789760
Area 470778902553600
Diagonal 30684813.916776

Cube

Length = n
Surface area 2824673415321600
Volume 1.0214696991423E+22
Space diagonal 37581068.474177

Equilateral Triangle

Length = n
Perimeter 65092320
Area 2.0385324458859E+14
Altitude 18790534.237089

Triangular Pyramid

Length = n
Surface area 2.0385324458859E+14
Volume 1.2038135850668E+21
Height 10228271.305592