51981806 (number)

51981806 is an even 8-digits composite number following 51981805 and preceding 51981807. In scientific notation, it is written as 5.1981806 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 25990902 positive integers (up to 51981806) that are relatively prime to 51981806.

Interesting facts

Basic properties

Name

Name fifty-one million nine hundred eighty-one thousand eight hundred six

Notation

Scientific notation 5.1981806 × 10^7
Engineering notation 5.1981806 × 10^6

Prime Factorization of 51981806

Prime Factorization 2 × 25990903

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 51981806
Product of the distinct prime numbers

The prime factorization of 51981806 is 2 × 25990903. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 51981806)

Multiplication

n×y
n×2 103963612
n×3 155945418
n×4 207927224
n×5 259909030

Division

n÷y
n÷2 25990903
n÷3 17327268.666667
n÷3 12995451.5
n÷5 10396361.2

Exponentiation

ny
n2 2702108155021636
n3 1.4046046190535E+23
n4 7.3013884814344E+30
n5 3.7953935957256E+38

Nth Root

y√n
2√n 7209.8409136402
3√n 373.20757899604
4√n 84.910782081195
5√n 34.927722894003

Divisors of 51981806

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 -51981805
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 51981806 can be divided by 4 positive divisors. The sum of these divisors (counting 51981806) is 1, the average is 0.25.

Base conversion 51981806

Base System Value
2 Binary 11000110010010110111101110
3 Ternary 10121210221122002
4 Quaternary 3012102313232
5 Quinary 101301404211
6 Senary 5054052302
8 Octal 306226756
10 Decimal 51981806
12 Duodecimal 154aa092
16 Hexadecimal 3192dee
20 Vigesimal g4hea6
36 Base36 uy5f2

Cryptographic Hash Functions

md5 c6e0f06377687f0e5b752fbbb58710c3
sha1 7f3d0ab8ca134f93c30ccc4b06611e750cf6b324
sha256 9616f0ed49b8f46c319f89e0dc24f0aaa7e5785b9e20124e885c4cdfa37010b2
sha512 f9f81e9e174de8e8a4b6237eef9f6a0770e20a4c15f145d5a82b29e259ffc19150bd78f93980262d5957cbdb085377efef7ba0ee77d68e6716aa61a901128724
ripemd-160 9513cd9e2ca962d0ab4a3f3c5377c328cad0abae

51981806 as geometric shapes

Circle

Radius = n
Diameter 103963612
Circumference 326611319.69986
Area 8.488923129021E+15

Sphere

Radius = n
Volume 5.8835940698891E+23
Surface area 3.3955692516084E+16
Circumference 326611319.69986

Square

Length = n
Perimeter 207927224
Area 2702108155021636
Diagonal 73513375.041847

Cube

Length = n
Surface area 16212648930129816
Volume 1.4046046190535E+23
Space diagonal 90035129.061189

Equilateral Triangle

Length = n
Perimeter 155945418
Area 1.1700471530109E+15
Altitude 45017564.530594

Triangular Pyramid

Length = n
Surface area 1.1700471530109E+15
Volume 1.6553424183645E+22
Height 24504458.347282