20721814 (number)

20721814 is an even 8-digits composite number following 20721813 and preceding 20721815. In scientific notation, it is written as 2.0721814 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 10360906 positive integers (up to 20721814) that are relatively prime to 20721814.

Interesting facts

Basic properties

Name

Name twenty million seven hundred twenty-one thousand eight hundred fourteen

Notation

Scientific notation 2.0721814 × 10^7
Engineering notation 2.0721814 × 10^6

Prime Factorization of 20721814

Prime Factorization 2 × 10360907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20721814
Product of the distinct prime numbers

The prime factorization of 20721814 is 2 × 10360907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20721814)

Multiplication

n×y
n×2 41443628
n×3 62165442
n×4 82887256
n×5 103609070

Division

n÷y
n÷2 10360907
n÷3 6907271.3333333
n÷3 5180453.5
n÷5 4144362.8

Exponentiation

ny
n2 429393575450596
n3 8.8978138032822E+21
n4 1.8437884263825E+29
n5 3.820664082685E+36

Nth Root

y√n
2√n 4552.121922796
3√n 274.66875378071
4√n 67.469414721013
5√n 29.059327147175

Divisors of 20721814

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 -20721813
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 20721814 can be divided by 4 positive divisors. The sum of these divisors (counting 20721814) is 1, the average is 0.25.

Base conversion 20721814

Base System Value
2 Binary 1001111000011000010010110
3 Ternary 1102222202222121
4 Quaternary 1033003002112
5 Quinary 20301044224
6 Senary 2020050154
8 Octal 117030226
10 Decimal 20721814
12 Duodecimal 6b3395a
16 Hexadecimal 13c3096
20 Vigesimal 69a4ae
36 Base36 cc51y

Cryptographic Hash Functions

md5 0153901f81ff5048f4df4e42e24973b7
sha1 2839a847fb493a4e1ec56a78cad9a374161ce600
sha256 f86ee169833bbc2495c50702ef982a719cc957cbd2275ae58cc1fb4dd4164496
sha512 708515ad6335e8f5f91d293471d8e5c8d98d6fa65f8c177a22ba4efb40b09f8914484a264f9526d9a1e863a2b0be0c24f5c99dbc57841d1135dd00a9b96e9ef5
ripemd-160 eed1093d792eecd4009a6460c21e9d3613bce252

20721814 as geometric shapes

Circle

Radius = n
Diameter 41443628
Circumference 130198997.26291
Area 1.3489797021342E+15

Sphere

Radius = n
Volume 3.7271075303202E+22
Surface area 5.395918808537E+15
Circumference 130198997.26291

Square

Length = n
Perimeter 82887256
Area 429393575450596
Diagonal 29305070.395773

Cube

Length = n
Surface area 2576361452703576
Volume 8.8978138032822E+21
Space diagonal 35891234.672992

Equilateral Triangle

Length = n
Perimeter 62165442
Area 1.8593287228102E+14
Altitude 17945617.336496

Triangular Pyramid

Length = n
Surface area 1.8593287228102E+14
Volume 1.048617413006E+21
Height 9768356.7985909