18389957 is an odd 8-digits prime number following 18389956
and preceding 18389958 . In scientific notation, it is written as 1.8389957 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 18389956 positive integers (up to 18389957) that are relatively prime to 18389957.
18389957 has 2 divisors, whose sum is 18389958
The reverse of 18389957 is 75998381
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighteen million three hundred eighty-nine thousand nine hundred fifty-seven
Scientific notation
1.8389957 × 10^7
Engineering notation
1.8389957 × 10^6
Prime Factorization
18389957
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18389957
Product of the distinct prime numbers
The prime factorization of 18389957 is 18389957.
Since it has a total of 1 prime factors.
7 , 6 , 29 , 19 , 681 , 794 , 6583 , 5748 , 4862 , 33672 , 530105 , 750659 , 1937919 , 2749373 , 11436884 , 83777745 , 430351537 , 608339928 , 1535377949 , 8801679676
n×2
36779914
n×3
55169871
n×4
73559828
n×5
91949785
n÷2
9194978.5
n÷3
6129985.6666667
n÷3
4597489.25
n÷5
3677991.4
n2
338190518461849
n3
6.2193090923211E+21
n4
1.1437282677749E+29
n5
2.1033113664066E+36
2 √n
4288.3513148995
3 √n
263.95318365578
4 √n
65.485504616667
5 √n
28.373711119543
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18389958
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9194979
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4288.3514314944
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999891245
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18389957 can be divided by 2 positive divisors.
The sum of these divisors (counting 18389957) is 18389958, the average is 9194979.
Base
System
Value
2
Binary
1000110001001101111000101
3
Ternary
1021121022021112
4
Quaternary
1012021233011
5
Quinary
14201434312
6
Senary
1454054405
8
Octal
106115705
10
Decimal
18389957
12
Duodecimal
61aa405
16
Hexadecimal
1189bc5
20
Vigesimal
5eiehh
36
Base36
ay5s5
md5
45a9c6a30e863611ed8e0f4f343caa1b
sha1
6c9094f325bae4b815259fb80a7e57b911b92b45
sha256
c3fd5df35687c02eb86d51f007818e2dd71db4febf3b0eb35a39826a92c80566
sha512
e6b23e8daa60cadf044f989ae137f32805caf8926968799118287d935bf54633de84d34887384fd6ec56234ba467ef5e4d1783e78075b3967591eb6842886ca3
ripemd-160
9fb0cbd0ea2e548c38d31277f2e92442dd8298f1
Diameter
36779914
Circumference
115547507.62206
Area
1.0624568483135E+15
Volume
2.6051381006454E+22
Surface area
4.2498273932539E+15
Circumference
115547507.62206
Perimeter
73559828
Area
338190518461849
Diagonal
26007326.600858
Surface area
2029143110771094
Volume
6.2193090923211E+21
Space diagonal
31852339.873007
Perimeter
55169871
Area
1.464407901535E+14
Altitude
15926169.936503
Surface area
1.464407901535E+14
Volume
7.3295260557923E+20
Height
8669108.8669527