18668857 is an odd 8-digits prime number following 18668856
and preceding 18668858 . In scientific notation, it is written as 1.8668857 × 10^7.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 18668856 positive integers (up to 18668857) that are relatively prime to 18668857.
18668857 has 2 divisors, whose sum is 18668858
The reverse of 18668857 is 75886681
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighteen million six hundred sixty-eight thousand eight hundred fifty-seven
Scientific notation
1.8668857 × 10^7
Engineering notation
1.8668857 × 10^6
Prime Factorization
18668857
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18668857
Product of the distinct prime numbers
The prime factorization of 18668857 is 18668857.
Since it has a total of 1 prime factors.
1 , 10 , 28 , 86 , 807 , 78 , 350 , 5958 , 8434 , 89949 , 758057 , 480890 , 6500987 , 849050 , 53043298 , 53297549 , 58810503 , 443140572 , 6744565960 , 2271074260
n×2
37337714
n×3
56006571
n×4
74675428
n×5
93344285
n÷2
9334428.5
n÷3
6222952.3333333
n÷3
4667214.25
n÷5
3733771.4
n2
348526221686449
n3
6.5065861934146E+21
n4
1.2147052720303E+29
n5
2.267715902068E+36
2 √n
4320.7472733313
3 √n
265.2808556702
4 √n
65.732391355642
5 √n
28.459256231097
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18668858
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9334429
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4320.747389052
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998928697
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18668857 can be divided by 2 positive divisors.
The sum of these divisors (counting 18668857) is 18668858, the average is 9334429.
Base
System
Value
2
Binary
1000111001101110100111001
3
Ternary
1022010110212011
4
Quaternary
1013031310321
5
Quinary
14234400412
6
Senary
1504045521
8
Octal
107156471
10
Decimal
18668857
12
Duodecimal
63038a1
16
Hexadecimal
11cdd39
20
Vigesimal
5gdc2h
36
Base36
b44zd
md5
23b3784a11f2362411846194f3d590f7
sha1
5b7445e5705187b0a49f016039bee8cb92c09d32
sha256
dccec2187ca0c7799e7ad1fc56d20e09933cc3d2bcbb9b6c448a172645b19326
sha512
7e8f8d05089e3dcfb898709539e76b3fb65f3cb6832095039a5463bc7679be4dd72d90ac528f36f8eb89ae47fe58268b7c0a17e4588f9161f176a0673173883d
ripemd-160
433243f6197987b0d2c6b8290a1f4ca32d608a89
Diameter
37337714
Circumference
117299888.00424
Area
1.0949274176336E+15
Volume
2.7254724513574E+22
Surface area
4.3797096705342E+15
Circumference
117299888.00424
Perimeter
74675428
Area
348526221686449
Diagonal
26401750.763404
Surface area
2091157330118694
Volume
6.5065861934146E+21
Space diagonal
32335408.843238
Perimeter
56006571
Area
1.5091628093274E+14
Altitude
16167704.421619
Surface area
1.5091628093274E+14
Volume
7.6680853662304E+20
Height
8800583.5878013