18157430 is an even 8-digits composite number following 18157429
and preceding 18157431 . In scientific notation, it is written as 1.8157430 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 7187712 positive integers (up to 18157430) that are relatively prime to 18157430.
18157430 has 16 divisors, whose sum is 33022080
The reverse of 18157430 is 03475181
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighteen million one hundred fifty-seven thousand four hundred thirty
Scientific notation
1.8157430 × 10^7
Engineering notation
1.8157430 × 10^6
Prime Factorization
2 × 5 × 97 × 18719
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18157430
Product of the distinct prime numbers
The prime factorization of 18157430 is 2 × 5 × 97 × 18719.
Since it has a total of 4 prime factors.
4 , 10 , 24 , 12 , 661 , 980 , 2217 , 7659 , 73364 , 74780 , 786728 , 314126 , 3485709 , 1296186 , 9703020 , 69983978 , 227666326 , 59303307 , 8536425416 , 5793406462
n×2
36314860
n×3
54472290
n×4
72629720
n×5
90787150
n÷2
9078715
n÷3
6052476.6666667
n÷3
4539357.5
n÷5
3631486
n2
329692264204900
n3
5.986364208842E+21
n4
1.0869698907655E+29
n5
1.9736579703683E+36
2 √n
4261.1535996723
3 √n
262.8359658934
4 √n
65.277512204987
5 √n
28.301592644592
1 , 2 , 5 , 10 , 97 , 194 , 485 , 970 , 18719 , 37438 , 93595 , 187190 , 1815743 , 3631486 , 9078715 , 18157430
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18157429
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18157430 can be divided by 16 positive divisors.
The sum of these divisors (counting 18157430) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101010000111101110110
3
Ternary
1021011111022102
4
Quaternary
1011100331312
5
Quinary
14122014210
6
Senary
1445102102
8
Octal
105207566
10
Decimal
18157430
12
Duodecimal
60b7932
16
Hexadecimal
1150f76
20
Vigesimal
5d9dba
36
Base36
at6d2
md5
1fe5c17b0a2b8fc09cf06838104764ad
sha1
0aa8cd3203e8e17d921f8df43611a3e8f5c1779f
sha256
dcaff99da8b921c21880e9a0d783e84af1d4987519ecf6ab753571b6c49bd57a
sha512
62bab56123dca38c33c30d9d323f9ae2926fd513853562f0a11012f442e8caba1a42fd7992c6ede9ec7450a4ae8253655cdf595f6c33f596ae6278f26091d7d1
ripemd-160
fad7af075dacdd22d92a03b3f7a2f603186d8dd6
Diameter
36314860
Circumference
114086497.39214
Area
1.0357587951715E+15
Volume
2.5075623760281E+22
Surface area
4.143035180686E+15
Circumference
114086497.39214
Perimeter
72629720
Area
329692264204900
Diagonal
25678483.76384
Surface area
1978153585229400
Volume
5.986364208842E+21
Space diagonal
31449591.294875
Perimeter
54472290
Area
1.4276093811633E+14
Altitude
15724795.647438
Surface area
1.4276093811633E+14
Volume
7.0549978778743E+20
Height
8559494.5879467