21402261 (number)

21402261 is an odd 8-digits composite number following 21402260 and preceding 21402262. In scientific notation, it is written as 2.1402261 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 13448736 positive integers (up to 21402261) that are relatively prime to 21402261.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred two thousand two hundred sixty-one

Notation

Scientific notation 2.1402261 × 10^7
Engineering notation 2.1402261 × 10^6

Prime Factorization of 21402261

Prime Factorization 261 × 43 × 1907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21402261
Product of the distinct prime numbers

The prime factorization of 21402261 is 261 × 43 × 1907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21402261)

Multiplication

n×y
n×2 42804522
n×3 64206783
n×4 85609044
n×5 107011305

Division

n÷y
n÷2 10701130.5
n÷3 7134087
n÷3 5350565.25
n÷5 4280452.2

Exponentiation

ny
n2 458056775912121
n3 9.8034506708897E+21
n4 2.0981600995901E+29
n5 4.4905370071213E+36

Nth Root

y√n
2√n 4626.2577749192
3√n 277.64288721212
4√n 68.016599260174
5√n 29.247714261644

Divisors of 21402261

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 -21402260
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 21402261 can be divided by 8 positive divisors. The sum of these divisors (counting 21402261) is 1, the average is 0.125.

Base conversion 21402261

Base System Value
2 Binary 1010001101001001010010101
3 Ternary 1111021100101100
4 Quaternary 1101221022111
5 Quinary 20434333021
6 Senary 2042420313
8 Octal 121511225
10 Decimal 21402261
12 Duodecimal 7201699
16 Hexadecimal 1469295
20 Vigesimal 6df5d1
36 Base36 cqq39

Cryptographic Hash Functions

md5 409bda3c8505dfefd4c6d464eec2cf5f
sha1 d8c7a657e660d7a2e4d7a3a3195402e77ad07756
sha256 640591a60f7ad79902716d0c551e128735b0aa69fc29b8364d2960db4fe1a007
sha512 477f29e2f0fa4551e42b807281259b59d966d0c74290f8a047bfbaef56faf681bf5a44bf360a1b0a118218db9cde9139bec4be5a7bb01ccb1a88aa5a3900bd1a
ripemd-160 3753be484432007845c31262bb5b2d17b6413e08

21402261 as geometric shapes

Circle

Radius = n
Diameter 42804522
Circumference 134474371.85562
Area 1.4390278021325E+15

Sphere

Radius = n
Volume 4.1064598143329E+22
Surface area 5.7561112085302E+15
Circumference 134474371.85562

Square

Length = n
Perimeter 85609044
Area 458056775912121
Diagonal 30267367.771649

Cube

Length = n
Surface area 2748340655472726
Volume 9.8034506708897E+21
Space diagonal 37069803.44885

Equilateral Triangle

Length = n
Perimeter 64206783
Area 1.9834440215775E+14
Altitude 18534901.724425

Triangular Pyramid

Length = n
Surface area 1.9834440215775E+14
Volume 1.1553477414023E+21
Height 10089122.59055