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.
51981806 has 4 divisors, whose sum is 77972712
The reverse of 51981806 is 60818915
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
fifty-one million nine hundred eighty-one thousand eight hundred six
Scientific notation
5.1981806 × 10^7
Engineering notation
5.1981806 × 10^6
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.
3 , 7 , 100 , 47 , 353 , 277 , 5201 , 4691 , 40186 , 96970 , 924497 , 725134 , 2732442 , 606726 , 55546685 , 21787504 , 311962495 , 824050657 , 5029914812 , 7864130254
n×2
103963612
n×3
155945418
n×4
207927224
n×5
259909030
n÷2
25990903
n÷3
17327268.666667
n÷3
12995451.5
n÷5
10396361.2
n2
2702108155021636
n3
1.4046046190535E+23
n4
7.3013884814344E+30
n5
3.7953935957256E+38
2 √n
7209.8409136402
3 √n
373.20757899604
4 √n
84.910782081195
5 √n
34.927722894003
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
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
md5
c6e0f06377687f0e5b752fbbb58710c3
sha1
7f3d0ab8ca134f93c30ccc4b06611e750cf6b324
sha256
9616f0ed49b8f46c319f89e0dc24f0aaa7e5785b9e20124e885c4cdfa37010b2
sha512
f9f81e9e174de8e8a4b6237eef9f6a0770e20a4c15f145d5a82b29e259ffc19150bd78f93980262d5957cbdb085377efef7ba0ee77d68e6716aa61a901128724
ripemd-160
9513cd9e2ca962d0ab4a3f3c5377c328cad0abae
Diameter
103963612
Circumference
326611319.69986
Area
8.488923129021E+15
Volume
5.8835940698891E+23
Surface area
3.3955692516084E+16
Circumference
326611319.69986
Perimeter
207927224
Area
2702108155021636
Diagonal
73513375.041847
Surface area
16212648930129816
Volume
1.4046046190535E+23
Space diagonal
90035129.061189
Perimeter
155945418
Area
1.1700471530109E+15
Altitude
45017564.530594
Surface area
1.1700471530109E+15
Volume
1.6553424183645E+22
Height
24504458.347282