21402641 (number)

21402641 is an odd 8-digits composite number following 21402640 and preceding 21402642. In scientific notation, it is written as 2.1402641 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 19756272 positive integers (up to 21402641) that are relatively prime to 21402641.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred two thousand six hundred forty-one

Notation

Scientific notation 2.1402641 × 10^7
Engineering notation 2.1402641 × 10^6

Prime Factorization of 21402641

Prime Factorization 13 × 1646357

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21402641
Product of the distinct prime numbers

The prime factorization of 21402641 is 13 × 1646357. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21402641)

Multiplication

n×y
n×2 42805282
n×3 64207923
n×4 85610564
n×5 107013205

Division

n÷y
n÷2 10701320.5
n÷3 7134213.6666667
n÷3 5350660.25
n÷5 4280528.2

Exponentiation

ny
n2 458073041774881
n3 9.8039728648858E+21
n4 2.0983091160089E+29
n5 4.4909356716966E+36

Nth Root

y√n
2√n 4626.2988446489
3√n 277.64453039789
4√n 68.016901169113
5√n 29.24781812032

Divisors of 21402641

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 -21402640
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 21402641 can be divided by 4 positive divisors. The sum of these divisors (counting 21402641) is 1, the average is 0.25.

Base conversion 21402641

Base System Value
2 Binary 1010001101001010000010001
3 Ternary 1111021100220102
4 Quaternary 1101221100101
5 Quinary 20434341031
6 Senary 2042422145
8 Octal 121512021
10 Decimal 21402641
12 Duodecimal 7201955
16 Hexadecimal 1469411
20 Vigesimal 6df6c1
36 Base36 cqqdt

Cryptographic Hash Functions

md5 dd693a0f2c48322e13f77582cb4d8135
sha1 c0d4cec2af568e4a4d8789dd4a6ba6daacfcec44
sha256 c0d5b2ca515af46f9625827a6e631a7baf1ef6437745b044404c7d98be079b86
sha512 e021b7d26f3dc7a0f3588e93496945c54501f95a99a06437db5ec3965dd1cb28058fab4c6e5a2a8424524226975752fa9a095a3e781b7816aea678450f6243a0
ripemd-160 a7531f2b5b991da664f302cddaf24c3c6070dd26

21402641 as geometric shapes

Circle

Radius = n
Diameter 42805282
Circumference 134476759.46604
Area 1.4390789028475E+15

Sphere

Radius = n
Volume 4.1066785504425E+22
Surface area 5.75631561139E+15
Circumference 134476759.46604

Square

Length = n
Perimeter 85610564
Area 458073041774881
Diagonal 30267905.172802

Cube

Length = n
Surface area 2748438250649286
Volume 9.8039728648858E+21
Space diagonal 37070461.628157

Equilateral Triangle

Length = n
Perimeter 64207923
Area 1.9835144548293E+14
Altitude 18535230.814078

Triangular Pyramid

Length = n
Surface area 1.9835144548293E+14
Volume 1.1554092825549E+21
Height 10089301.724267