21551208 (number)

21551208 is an even 8-digits composite number following 21551207 and preceding 21551209. In scientific notation, it is written as 2.1551208 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 32 positive divisors. There are 6111936 positive integers (up to 21551208) that are relatively prime to 21551208.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand two hundred eight

Notation

Scientific notation 2.1551208 × 10^7
Engineering notation 2.1551208 × 10^6

Prime Factorization of 21551208

Prime Factorization 2 × 2 × 2 × 21 × 163 × 787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5387802
Product of the distinct prime numbers

The prime factorization of 21551208 is 2 × 2 × 2 × 21 × 163 × 787. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 5, 23, 43, 73, 863, 2382, 4, 76156, 43749, 597709, 181550, 2382132, 5374346, 69903601, 27979926, 289369161, 315490055, 2042635322, 7936209164

Basic calculations (n = 21551208)

Multiplication

n×y
n×2 43102416
n×3 64653624
n×4 86204832
n×5 107756040

Division

n÷y
n÷2 10775604
n÷3 7183736
n÷3 5387802
n÷5 4310241.6

Exponentiation

ny
n2 464454566259264
n3 1.0009556964003E+22
n4 2.1571804411908E+29
n5 4.6489844381635E+36

Nth Root

y√n
2√n 4642.327864337
3√n 278.28547525563
4√n 68.134630433701
5√n 29.288310744621

Divisors of 21551208

1, 2, 4, 8, 21, 42, 84, 163, 168, 326, 652, 787, 1304, 1574, 3148, 3423, 6296, 6846, 13692, 16527, 27384, 33054, 66108, 128281, 132216, 256562, 513124, 1026248, 2693901, 5387802, 10775604, 21551208

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 -21551207
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 21551208 can be divided by 32 positive divisors. The sum of these divisors (counting 21551208) is 1, the average is 0.03125.

Base conversion 21551208

Base System Value
2 Binary 1010010001101100001101000
3 Ternary 1111112220200220
4 Quaternary 1102031201220
5 Quinary 21004114313
6 Senary 2045530040
8 Octal 122154150
10 Decimal 21551208
12 Duodecimal 7273920
16 Hexadecimal 148d868
20 Vigesimal 6edi08
36 Base36 ctx0o

Cryptographic Hash Functions

md5 10497ccad9b93ebf4059c5264f6036ae
sha1 f14b34c463e69c62abc04e7e158bae55148720cd
sha256 570d7e6c01b5bba0004b697378d45f9edb032fefe39eb5a410019c48ccea5153
sha512 3d550756d7fbb08d5d7f82a042a91d2ccfce3f6597c60d44e493539a1d7444b5f7f34d7e8e2c86c0a67199d2089242930fb8500829fa79a96ca2adf5ef5b0df8
ripemd-160 a94266667525203a17de2883f4b6328b54c0c9a1

21551208 as geometric shapes

Circle

Radius = n
Diameter 43102416
Circumference 135410233.45757
Area 1.4591270532863E+15

Sphere

Radius = n
Volume 4.1927934165068E+22
Surface area 5.8365082131454E+15
Circumference 135410233.45757

Square

Length = n
Perimeter 86204832
Area 464454566259264
Diagonal 30478010.639124

Cube

Length = n
Surface area 2786727397555584
Volume 1.0009556964003E+22
Space diagonal 37327787.220485

Equilateral Triangle

Length = n
Perimeter 64653624
Area 2.011147266421E+14
Altitude 18663893.610242

Triangular Pyramid

Length = n
Surface area 2.011147266421E+14
Volume 1.1796376009866E+21
Height 10159336.879708