21146979 (number)

21146979 is an odd 8-digits composite number following 21146978 and preceding 21146980. In scientific notation, it is written as 2.1146979 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 12083400 positive integers (up to 21146979) that are relatively prime to 21146979.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred forty-six thousand nine hundred seventy-nine

Notation

Scientific notation 2.1146979 × 10^7
Engineering notation 2.1146979 × 10^6

Prime Factorization of 21146979

Prime Factorization 3 × 7 × 49 × 20551

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21146979
Product of the distinct prime numbers

The prime factorization of 21146979 is 3 × 7 × 49 × 20551. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 10, 86, 338, 143, 2172, 179, 85118, 26322, 800228, 259156, 4809048, 9105745, 70072666, 50843304, 322929104, 642690856, 8614275529, 6512371876

Basic calculations (n = 21146979)

Multiplication

n×y
n×2 42293958
n×3 63440937
n×4 84587916
n×5 105734895

Division

n÷y
n÷2 10573489.5
n÷3 7048993
n÷3 5286744.75
n÷5 4229395.8

Exponentiation

ny
n2 447194720826441
n3 9.4568173702276E+21
n4 1.9998311833504E+29
n5 4.2290388037856E+36

Nth Root

y√n
2√n 4598.5844561126
3√n 276.53457880847
4√n 67.812863500316
5√n 29.177606759811

Divisors of 21146979

1, 3, 7, 21, 49, 147, 343, 1029, 20551, 61653, 143857, 431571, 1006999, 3020997, 7048993, 21146979

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21146978
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21146979 can be divided by 16 positive divisors. The sum of these divisors (counting 21146979) is 1, the average is 0.0625.

Base conversion 21146979

Base System Value
2 Binary 1010000101010110101100011
3 Ternary 1110210101012110
4 Quaternary 1100222311203
5 Quinary 20403200404
6 Senary 2033130403
8 Octal 120526543
10 Decimal 21146979
12 Duodecimal 70b9a03
16 Hexadecimal 142ad63
20 Vigesimal 6c378j
36 Base36 cl943

Cryptographic Hash Functions

md5 aa5400b5640f9a111d47b863baff07b1
sha1 e20355362f17086e6df0609ea1c83676c2a10d66
sha256 1b470e4a99dcdff90f3b2af58e2fd7508bb22688f999e99ca5b46d9743dcf22c
sha512 0153d616d87e206fbfd8bf9f7be3650f5f00ca96ca8d003229f9d1e0e1cfed99cc8114b778df5440c80dce84e680f4cffeadd64326e2bb6b5f5145e770d936cd
ripemd-160 51547deb15a4ccbf8ccce4a3ee14471abb866ca6

21146979 as geometric shapes

Circle

Radius = n
Diameter 42293958
Circumference 132870387.74404
Area 1.4049036496725E+15

Sphere

Radius = n
Volume 3.9612623968863E+22
Surface area 5.6196145986899E+15
Circumference 132870387.74404

Square

Length = n
Perimeter 84587916
Area 447194720826441
Diagonal 29906344.505019

Cube

Length = n
Surface area 2683168324958646
Volume 9.4568173702276E+21
Space diagonal 36627642.054592

Equilateral Triangle

Length = n
Perimeter 63440937
Area 1.9364099433699E+14
Altitude 18313821.027296

Triangular Pyramid

Length = n
Surface area 1.9364099433699E+14
Volume 1.1144966151551E+21
Height 9968781.501673