21921208 (number)

21921208 is an even 8-digits composite number following 21921207 and preceding 21921209. In scientific notation, it is written as 2.1921208 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors. There are 10378368 positive integers (up to 21921208) that are relatively prime to 21921208.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred twenty-one thousand two hundred eight

Notation

Scientific notation 2.1921208 × 10^7
Engineering notation 2.1921208 × 10^6

Prime Factorization of 21921208

Prime Factorization 2 × 2 × 2 × 23 × 109 × 1093

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5480302
Product of the distinct prime numbers

The prime factorization of 21921208 is 2 × 2 × 2 × 23 × 109 × 1093. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 6, 5, 31, 871, 861, 560, 176, 56713, 73671, 180764, 479224, 4517335, 3460369, 6278085, 23821896, 759716476, 759576696, 3964000043, 5088295512

Basic calculations (n = 21921208)

Multiplication

n×y
n×2 43842416
n×3 65763624
n×4 87684832
n×5 109606040

Division

n÷y
n÷2 10960604
n÷3 7307069.3333333
n÷3 5480302
n÷5 4384241.6

Exponentiation

ny
n2 480539360179264
n3 1.0534003266677E+22
n4 2.309180766815E+29
n5 5.062003189895E+36

Nth Root

y√n
2√n 4682.0089705168
3√n 279.86902037198
4√n 68.425207128052
5√n 29.388193898106

Divisors of 21921208

1, 2, 4, 8, 23, 46, 92, 109, 184, 218, 436, 872, 1093, 2186, 2507, 4372, 5014, 8744, 10028, 20056, 25139, 50278, 100556, 119137, 201112, 238274, 476548, 953096, 2740151, 5480302, 10960604, 21921208

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21921207
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21921208 can be divided by 32 positive divisors. The sum of these divisors (counting 21921208) is 1, the average is 0.03125.

Base conversion 21921208

Base System Value
2 Binary 1010011100111110110111000
3 Ternary 1112020201020121
4 Quaternary 1103213312320
5 Quinary 21102434313
6 Senary 2101503024
8 Octal 123476670
10 Decimal 21921208
12 Duodecimal 7411a74
16 Hexadecimal 14e7db8
20 Vigesimal 6h0308
36 Base36 d1uig

Cryptographic Hash Functions

md5 4c8ca44648f87856407eedcbf1ab828d
sha1 f5d64a31055fed25cad117059976b2570d346939
sha256 8b09f04343a24195e64f61c1d27df2eb5172d820f5ad9ba71a467f861abf7f2c
sha512 3a7fba9afe822d8ca83f28fe8eeea047470db2ad7dfcd801d95977a5a55d7faa2ab8d30749713baa45c9f294076b90f3ad9a7f7fb3a5049d326c482c5f515282
ripemd-160 420bf9fed44703f0300c32b357441ba2f008704c

21921208 as geometric shapes

Circle

Radius = n
Diameter 43842416
Circumference 137735012.02123
Area 1.5096589236999E+15

Sphere

Radius = n
Volume 4.4124729700643E+22
Surface area 6.0386356947997E+15
Circumference 137735012.02123

Square

Length = n
Perimeter 87684832
Area 480539360179264
Diagonal 31001269.657202

Cube

Length = n
Surface area 2883236161075584
Volume 1.0534003266677E+22
Space diagonal 37968646.019285

Equilateral Triangle

Length = n
Perimeter 65763624
Area 2.0807964671678E+14
Altitude 18984323.009643

Triangular Pyramid

Length = n
Surface area 2.0807964671678E+14
Volume 1.2414441904847E+21
Height 10333756.552401