21961490 (number)

21961490 is an even 8-digits composite number following 21961489 and preceding 21961491. In scientific notation, it is written as 2.1961490 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 8784592 positive integers (up to 21961490) that are relatively prime to 21961490.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred sixty-one thousand four hundred ninety

Notation

Scientific notation 2.1961490 × 10^7
Engineering notation 2.1961490 × 10^6

Prime Factorization of 21961490

Prime Factorization 2 × 5 × 2196149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21961490
Product of the distinct prime numbers

The prime factorization of 21961490 is 2 × 5 × 2196149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21961490)

Multiplication

n×y
n×2 43922980
n×3 65884470
n×4 87845960
n×5 109807450

Division

n÷y
n÷2 10980745
n÷3 7320496.6666667
n÷3 5490372.5
n÷5 4392298

Exponentiation

ny
n2 482307043020100
n3 1.0592181302215E+22
n4 2.3262008374679E+29
n5 5.1086836430043E+36

Nth Root

y√n
2√n 4686.3087819733
3√n 280.04034282652
4√n 68.456619708932
5√n 29.398986606629

Divisors of 21961490

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 -21961489
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 21961490 can be divided by 8 positive divisors. The sum of these divisors (counting 21961490) is 1, the average is 0.125.

Base conversion 21961490

Base System Value
2 Binary 1010011110001101100010010
3 Ternary 1112022202111112
4 Quaternary 1103301230102
5 Quinary 21110231430
6 Senary 2102413322
8 Octal 123615422
10 Decimal 21961490
12 Duodecimal 7431242
16 Hexadecimal 14f1b12
20 Vigesimal 6h53ea
36 Base36 d2ple

Cryptographic Hash Functions

md5 eae69fa87675150c42eca36c519c62d4
sha1 df72e4b7ac79d8c022f86104ce76cd90317161d0
sha256 0550ab0b05623acd60732d4a2cc3541ed38076cf57af16b4c0b2fd893d049f46
sha512 4a41ff44a400451bde81019fc003ef62ca4b89da319a219abeea3c0db0558dff2c920080a4dd8be67fbbe677053108c662d1583b92f70a11deca6d3c9374a46b
ripemd-160 fe13b3ea72cf218edca13d630c4a3c00a7c75e45

21961490 as geometric shapes

Circle

Radius = n
Diameter 43922980
Circumference 137988111.29177
Area 1.5152122631266E+15

Sphere

Radius = n
Volume 4.4368425286042E+22
Surface area 6.0608490525062E+15
Circumference 137988111.29177

Square

Length = n
Perimeter 87845960
Area 482307043020100
Diagonal 31058237.007921

Cube

Length = n
Surface area 2893842258120600
Volume 1.0592181302215E+22
Space diagonal 38038416.489916

Equilateral Triangle

Length = n
Perimeter 65884470
Area 2.0884507583978E+14
Altitude 19019208.244958

Triangular Pyramid

Length = n
Surface area 2.0884507583978E+14
Volume 1.2483005377257E+21
Height 10352745.669307