20308918 is an even 8-digits composite number following 20308917
and preceding 20308919 . In scientific notation, it is written as 2.0308918 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 8703816 positive integers (up to 20308918) that are relatively prime to 20308918.
20308918 has 8 divisors, whose sum is 34815312
The reverse of 20308918 is 81980302
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million three hundred eight thousand nine hundred eighteen
Scientific notation
2.0308918 × 10^7
Engineering notation
2.0308918 × 10^6
Prime Factorization
2 × 7 × 1450637
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20308918
Product of the distinct prime numbers
The prime factorization of 20308918 is 2 × 7 × 1450637.
Since it has a total of 3 prime factors.
10 , 10 , 86 , 67 , 333 , 295 , 3712 , 9451 , 61119 , 54179 , 503396 , 743097 , 5686400 , 9580055 , 22182551 , 5591866 , 199781332 , 336799432 , 7349662128 , 573707312
n×2
40617836
n×3
60926754
n×4
81235672
n×5
101544590
n÷2
10154459
n÷3
6769639.3333333
n÷3
5077229.5
n÷5
4061783.6
n2
412452150330724
n3
8.3764568999903E+21
n4
1.7011677631244E+29
n5
3.4548876605536E+36
2 √n
4506.5416895886
3 √n
272.83218138424
4 √n
67.13078049292
5 √n
28.942587651913
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
-20308917
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 20308918 can be divided by 8 positive divisors.
The sum of these divisors (counting 20308918) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101011110001110110110
3
Ternary
1102012210121011
4
Quaternary
1031132032312
5
Quinary
20144341133
6
Senary
2003142434
8
Octal
115361666
10
Decimal
20308918
12
Duodecimal
6974a1a
16
Hexadecimal
135e3b6
20
Vigesimal
66ic5i
36
Base36
c3agm
md5
86c964065cf01780e43ab3bf5c031d08
sha1
2da01297ec949d63fe72b5fe58e3a7a293a0317b
sha256
434059db7085f5a8088f2c0ea240b68a608ff0ab6a0dd2a2917bbe5a00ef5474
sha512
8150d66495b142dcc644f7489e2196e2de0daeb3a39fa33a33c6df23be1473bf15bfe332d35a1b7f063daa00f1eb9bfa516d19795dc476ebca1e8e5efee89d38
ripemd-160
8aaeb3abccefb4f37aff564b3a5e0fd027de6144
Diameter
40617836
Circumference
127604695.18232
Area
1.2957566454363E+15
Volume
3.5087220613495E+22
Surface area
5.1830265817453E+15
Circumference
127604695.18232
Perimeter
81235672
Area
412452150330724
Diagonal
28721147.272723
Surface area
2474712901984344
Volume
8.3764568999903E+21
Space diagonal
35176077.82275
Perimeter
60926754
Area
1.7859702001596E+14
Altitude
17588038.911375
Surface area
1.7859702001596E+14
Volume
9.8717491271667E+20
Height
9573715.7575744