21152181 (number)

21152181 is an odd 8-digits composite number following 21152180 and preceding 21152182. In scientific notation, it is written as 2.1152181 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 14080752 positive integers (up to 21152181) that are relatively prime to 21152181.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred fifty-two thousand one hundred eighty-one

Notation

Scientific notation 2.1152181 × 10^7
Engineering notation 2.1152181 × 10^6

Prime Factorization of 21152181

Prime Factorization 3 × 733 × 9619

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21152181
Product of the distinct prime numbers

The prime factorization of 21152181 is 3 × 733 × 9619. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21152181)

Multiplication

n×y
n×2 42304362
n×3 63456543
n×4 84608724
n×5 105760905

Division

n÷y
n÷2 10576090.5
n÷3 7050727
n÷3 5288045.25
n÷5 4230436.2

Exponentiation

ny
n2 447414761056761
n3 9.4637980079444E+21
n4 2.0017996841148E+29
n5 4.2342429244139E+36

Nth Root

y√n
2√n 4599.1500301686
3√n 276.55725210126
4√n 67.817033481041
5√n 29.179042113557

Divisors of 21152181

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21152180
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21152181 can be divided by 8 positive divisors. The sum of these divisors (counting 21152181) is 1, the average is 0.125.

Base conversion 21152181

Base System Value
2 Binary 1010000101100000110110101
3 Ternary 1110210122100010
4 Quaternary 1100230012311
5 Quinary 20403332211
6 Senary 2033210433
8 Octal 120540665
10 Decimal 21152181
12 Duodecimal 7100a19
16 Hexadecimal 142c1b5
20 Vigesimal 6c4091
36 Base36 cld4l

Cryptographic Hash Functions

md5 1e04b737b13b3a60544295eaeb32cfa0
sha1 f14b75ace97f983bf99e7e9d19488d5d885208b0
sha256 3938742cd29aa27add099cf995c9ec1afdf2c7a2d4b1d0689b54c844fa34470c
sha512 55bcc1142be2c48ae989b671a05ba01c78cc978552409c8c6d6046d3a7489aca9f15fa20dc97d68d09d8b637c113b118ec31ae5897ed52e3b902d9cfe9a2043c
ripemd-160 3fdc0d4690d0835a84d5bce38630ad9e98450a61

21152181 as geometric shapes

Circle

Radius = n
Diameter 42304362
Circumference 132903072.874
Area 1.4055949264436E+15

Sphere

Radius = n
Volume 3.9641864395754E+22
Surface area 5.6223797057742E+15
Circumference 132903072.874

Square

Length = n
Perimeter 84608724
Area 447414761056761
Diagonal 29913701.24397

Cube

Length = n
Surface area 2684488566340566
Volume 9.4637980079444E+21
Space diagonal 36636652.182893

Equilateral Triangle

Length = n
Perimeter 63456543
Area 1.9373627455165E+14
Altitude 18318326.091447

Triangular Pyramid

Length = n
Surface area 1.9373627455165E+14
Volume 1.1153192911995E+21
Height 9971233.7479902