21697904 (number)

21697904 is an even 8-digits composite number following 21697903 and preceding 21697905. In scientific notation, it is written as 2.1697904 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors. There are 10829952 positive integers (up to 21697904) that are relatively prime to 21697904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1697904 × 10^7
Engineering notation 2.1697904 × 10^6

Prime Factorization of 21697904

Prime Factorization 2 × 2 × 2 × 2 × 1423 × 953

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2712238
Product of the distinct prime numbers

The prime factorization of 21697904 is 2 × 2 × 2 × 2 × 1423 × 953. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 2, 57, 97, 668, 990, 7210, 7513, 46074, 9601, 878842, 709663, 9376107, 247012, 10456942, 5769417, 938735375, 41140817, 1210236306, 5844385421

Basic calculations (n = 21697904)

Multiplication

n×y
n×2 43395808
n×3 65093712
n×4 86791616
n×5 108489520

Division

n÷y
n÷2 10848952
n÷3 7232634.6666667
n÷3 5424476
n÷5 4339580.8

Exponentiation

ny
n2 470799037993216
n3 1.0215352329669E+22
n4 2.2165173417534E+29
n5 4.80937804957E+36

Nth Root

y√n
2√n 4658.1009005817
3√n 278.91546451182
4√n 68.250281322363
5√n 29.328074894992

Divisors of 21697904

1, 2, 4, 8, 16, 953, 1423, 1906, 2846, 3812, 5692, 7624, 11384, 15248, 22768, 1356119, 2712238, 5424476, 10848952, 21697904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21697903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21697904 can be divided by 20 positive divisors. The sum of these divisors (counting 21697904) is 1, the average is 0.05.

Base conversion 21697904

Base System Value
2 Binary 1010010110001010101110000
3 Ternary 1111211100221002
4 Quaternary 1102301111300
5 Quinary 21023313104
6 Senary 2053021132
8 Octal 122612560
10 Decimal 21697904
12 Duodecimal 73247a8
16 Hexadecimal 14b1570
20 Vigesimal 6fc4f4
36 Base36 cx27k

Cryptographic Hash Functions

md5 9d28ff9768ade5df904b6a616b96eed7
sha1 fdd461bd2fa448c154ea7c414fa15ffeac358608
sha256 76e8c89603ae76fd6c52ea555526bc9d2b4621d9a401f0db1375a7e952a4b454
sha512 91643d8a71918bde17344a36e0ff3040cefe0ae5c9c9d936022610317774e54d24b8c30a98e2d2a862b40dccad0922a00406849b3eb50f46d03d4f5a6b624834
ripemd-160 99f02a0414519b88a35758ddb809dd3651198711

21697904 as geometric shapes

Circle

Radius = n
Diameter 43395808
Circumference 136331951.60939
Area 1.4790587990766E+15

Sphere

Radius = n
Volume 4.278996777696E+22
Surface area 5.9162351963065E+15
Circumference 136331951.60939

Square

Length = n
Perimeter 86791616
Area 470799037993216
Diagonal 30685470.111869

Cube

Length = n
Surface area 2824794227959296
Volume 1.0215352329669E+22
Space diagonal 37581872.145752

Equilateral Triangle

Length = n
Perimeter 65093712
Area 2.038619634897E+14
Altitude 18790936.072876

Triangular Pyramid

Length = n
Surface area 2.038619634897E+14
Volume 1.2038908174198E+21
Height 10228490.03729