21107961 (number)

21107961 is an odd 8-digits composite number following 21107960 and preceding 21107962. In scientific notation, it is written as 2.1107961 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 12061656 positive integers (up to 21107961) that are relatively prime to 21107961.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred seven thousand nine hundred sixty-one

Notation

Scientific notation 2.1107961 × 10^7
Engineering notation 2.1107961 × 10^6

Prime Factorization of 21107961

Prime Factorization 21 × 3 × 335047

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21107961
Product of the distinct prime numbers

The prime factorization of 21107961 is 21 × 3 × 335047. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21107961)

Multiplication

n×y
n×2 42215922
n×3 63323883
n×4 84431844
n×5 105539805

Division

n÷y
n÷2 10553980.5
n÷3 7035987
n÷3 5276990.25
n÷5 4221592.2

Exponentiation

ny
n2 445546017577521
n3 9.4045679627316E+21
n4 1.9851125377919E+29
n5 4.1901678028322E+36

Nth Root

y√n
2√n 4594.3401049552
3√n 276.36439738351
4√n 67.781561688672
5√n 29.166831764397

Divisors of 21107961

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 -21107960
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 21107961 can be divided by 8 positive divisors. The sum of these divisors (counting 21107961) is 1, the average is 0.125.

Base conversion 21107961

Base System Value
2 Binary 1010000100001010011111001
3 Ternary 1110201101200100
4 Quaternary 1100201103321
5 Quinary 20400423321
6 Senary 2032230013
8 Octal 120412371
10 Decimal 21107961
12 Duodecimal 709b309
16 Hexadecimal 14214f9
20 Vigesimal 6bi9i1
36 Base36 ckf09

Cryptographic Hash Functions

md5 87d027d3844d9ed144ba1770e66e7a5f
sha1 16b9897c2caf0b05bab32da85a98774981bd90ef
sha256 e1a6ffe44c40d57d424532f0ba3bb9aa0f25e9392b9232b5c2e677999a21806c
sha512 619518d9db1588b0cc7b50cc8ba074eb55640cbb13c9872a12e3f9db59bd3d1f45110977e066bd9b2746c6b036f2c05a80cb09322b6adc5f4e23726bb94157ca
ripemd-160 ab3d55945b11636db5d486d258637bfbd04f95fd

21107961 as geometric shapes

Circle

Radius = n
Diameter 42215922
Circumference 132625230.41972
Area 1.3997240956577E+15

Sphere

Radius = n
Volume 3.9393762162538E+22
Surface area 5.5988963826309E+15
Circumference 132625230.41972

Square

Length = n
Perimeter 84431844
Area 445546017577521
Diagonal 29851164.720242

Cube

Length = n
Surface area 2673276105465126
Volume 9.4045679627316E+21
Space diagonal 36560060.896182

Equilateral Triangle

Length = n
Perimeter 63323883
Area 1.9292708488856E+14
Altitude 18280030.448091

Triangular Pyramid

Length = n
Surface area 1.9292708488856E+14
Volume 1.1083389634295E+21
Height 9950388.2400808