21697218 (number)

21697218 is an even 8-digits composite number following 21697217 and preceding 21697219. In scientific notation, it is written as 2.1697218 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 7193400 positive integers (up to 21697218) that are relatively prime to 21697218.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-seven thousand two hundred eighteen

Notation

Scientific notation 2.1697218 × 10^7
Engineering notation 2.1697218 × 10^6

Prime Factorization of 21697218

Prime Factorization 2 × 3 × 3 × 191 × 6311

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7232406
Product of the distinct prime numbers

The prime factorization of 21697218 is 2 × 3 × 3 × 191 × 6311. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 4, 9, 98, 973, 647, 4405, 4892, 62016, 85820, 530651, 278652, 5078887, 9615915, 75184227, 61548437, 11407165, 420398119, 3009777745, 4051447653

Basic calculations (n = 21697218)

Multiplication

n×y
n×2 43394436
n×3 65091654
n×4 86788872
n×5 108486090

Division

n÷y
n÷2 10848609
n÷3 7232406
n÷3 5424304.5
n÷5 4339443.6

Exponentiation

ny
n2 470769268939524
n3 1.0214383455881E+22
n4 2.2162370457785E+29
n5 4.8086178321933E+36

Nth Root

y√n
2√n 4658.0272648408
3√n 278.91252508773
4√n 68.249741866477
5√n 29.327889445616

Divisors of 21697218

1, 2, 3, 6, 9, 18, 191, 382, 573, 1146, 1719, 3438, 6311, 12622, 18933, 37866, 56799, 113598, 1205401, 2410802, 3616203, 7232406, 10848609, 21697218

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 -21697217
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 21697218 can be divided by 24 positive divisors. The sum of these divisors (counting 21697218) is 1, the average is 0.041666666666667.

Base conversion 21697218

Base System Value
2 Binary 1010010110001001011000010
3 Ternary 1111211022222200
4 Quaternary 1102301023002
5 Quinary 21023302333
6 Senary 2053014030
8 Octal 122611302
10 Decimal 21697218
12 Duodecimal 7324316
16 Hexadecimal 14b12c2
20 Vigesimal 6fc30i
36 Base36 cx1oi

Cryptographic Hash Functions

md5 f9e46eb03e510a54f784e32001e881df
sha1 3b1e32611f8127e5930ae66f386c5da9b5d105f6
sha256 b74795769c9b50605dabcaa128dbc0be533105672d675518fa82a4b8ce328fe1
sha512 2716b126d630b65757a5191870e82eb7d1b8fb490407fc8949ae06212a0ee550f010539b621eb1289798fe1dae507489be7d7d1c7806e8acae1c9101cfd28b94
ripemd-160 1e45642f28aa13053f322a6a03a05f74faeaa161

21697218 as geometric shapes

Circle

Radius = n
Diameter 43394436
Circumference 136327641.34427
Area 1.4789652768362E+15

Sphere

Radius = n
Volume 4.2785909367929E+22
Surface area 5.915861107345E+15
Circumference 136327641.34427

Square

Length = n
Perimeter 86788872
Area 470769268939524
Diagonal 30684499.961366

Cube

Length = n
Surface area 2824615613637144
Volume 1.0214383455881E+22
Space diagonal 37580683.958898

Equilateral Triangle

Length = n
Perimeter 65091654
Area 2.0384907311133E+14
Altitude 18790341.979449

Triangular Pyramid

Length = n
Surface area 2.0384907311133E+14
Volume 1.2037766345489E+21
Height 10228166.653789