21379551 (number)

21379551 is an odd 8-digits composite number following 21379550 and preceding 21379552. In scientific notation, it is written as 2.1379551 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 14253032 positive integers (up to 21379551) that are relatively prime to 21379551.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-nine thousand five hundred fifty-one

Notation

Scientific notation 2.1379551 × 10^7
Engineering notation 2.1379551 × 10^6

Prime Factorization of 21379551

Prime Factorization 3 × 7126517

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21379551
Product of the distinct prime numbers

The prime factorization of 21379551 is 3 × 7126517. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21379551)

Multiplication

n×y
n×2 42759102
n×3 64138653
n×4 85518204
n×5 106897755

Division

n÷y
n÷2 10689775.5
n÷3 7126517
n÷3 5344887.75
n÷5 4275910.2

Exponentiation

ny
n2 457085200961601
n3 9.7722763653038E+21
n4 2.0892688093811E+29
n5 4.4667629062872E+36

Nth Root

y√n
2√n 4623.8026558235
3√n 277.54464990494
4√n 67.998548924396
5√n 29.241504658921

Divisors of 21379551

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21379550
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21379551 can be divided by 4 positive divisors. The sum of these divisors (counting 21379551) is 1, the average is 0.25.

Base conversion 21379551

Base System Value
2 Binary 1010001100011100111011111
3 Ternary 1111020012020020
4 Quaternary 1101203213133
5 Quinary 20433121201
6 Senary 2042123223
8 Octal 121434737
10 Decimal 21379551
12 Duodecimal 71b0513
16 Hexadecimal 14639df
20 Vigesimal 6dc8hb
36 Base36 cq8kf

Cryptographic Hash Functions

md5 c2d126249e62acc23c12989263284b85
sha1 e2db847d86906e4fd6d0672611c44b68f1344d5a
sha256 7e3469708af2bc40375ae589cb128f9420651f906133387c303d9ffde58f66f8
sha512 335600de8e9d4d9b7046056a8d198e8c9d91293e2f732ddd9cdfe189cf47d183612655a0610ae04d7ae0bb758ace7a19999ca8597b3ce29834c07503f0a91384
ripemd-160 bc46cae577fca449ee1053893fa39fd8a872f546

21379551 as geometric shapes

Circle

Radius = n
Diameter 42759102
Circumference 134331680.7173
Area 1.4359755094056E+15

Sphere

Radius = n
Volume 4.093401551745E+22
Surface area 5.7439020376223E+15
Circumference 134331680.7173

Square

Length = n
Perimeter 85518204
Area 457085200961601
Diagonal 30235250.981647

Cube

Length = n
Surface area 2742511205769606
Volume 9.7722763653038E+21
Space diagonal 37030468.57501

Equilateral Triangle

Length = n
Perimeter 64138653
Area 1.9792369786333E+14
Altitude 18515234.287505

Triangular Pyramid

Length = n
Surface area 1.9792369786333E+14
Volume 1.1516738142559E+21
Height 10078416.993882