18157090 is an even 8-digits composite number following 18157089
and preceding 18157091 . In scientific notation, it is written as 1.8157090 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 6225264 positive integers (up to 18157090) that are relatively prime to 18157090.
18157090 has 16 divisors, whose sum is 37351872
The reverse of 18157090 is 09075181
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighteen million one hundred fifty-seven thousand ninety
Scientific notation
1.8157090 × 10^7
Engineering notation
1.8157090 × 10^6
Prime Factorization
2 × 7 × 5 × 259387
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18157090
Product of the distinct prime numbers
The prime factorization of 18157090 is 2 × 7 × 5 × 259387.
Since it has a total of 4 prime factors.
3 , 10 , 100 , 10 , 879 , 173 , 2119 , 6132 , 38765 , 42169 , 210462 , 595824 , 4439054 , 5396525 , 67072739 , 28646490 , 272631950 , 926669056 , 464419008 , 2776679675
n×2
36314180
n×3
54471270
n×4
72628360
n×5
90785450
n÷2
9078545
n÷3
6052363.3333333
n÷3
4539272.5
n÷5
3631418
n2
329679917268100
n3
5.9860279290294E+21
n4
1.086888478499E+29
n5
1.973473192407E+36
2 √n
4261.1137041858
3 √n
262.83432533843
4 √n
65.277206620579
5 √n
28.301486653672
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 259387 , 518774 , 1296935 , 1815709 , 2593870 , 3631418 , 9078545 , 18157090
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
-18157089
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 18157090 can be divided by 16 positive divisors.
The sum of these divisors (counting 18157090) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101010000111000100010
3
Ternary
1021011110211211
4
Quaternary
1011100320202
5
Quinary
14122011330
6
Senary
1445100334
8
Octal
105207042
10
Decimal
18157090
12
Duodecimal
60b76aa
16
Hexadecimal
1150e22
20
Vigesimal
5d9cea
36
Base36
at63m
md5
ebd66a2b1f20d38038c592e244b66f72
sha1
40d43664b88f785b3a8795875fe1b09738ca0331
sha256
fd0b2dc719d9ea22e5875f20b8dfc34a11a0d98d55633a77b6b61a686fcd443e
sha512
1f358597a6e324cb504defc98f5bec6263d927d73332abd9bece41f2830b04469807ab682914c9ec7196120b98f1a4394b025b3f59c02cf1751791fd744dc55c
ripemd-160
ad986dd6416de032fcddad1ebcd733deb9bf0824
Diameter
36314180
Circumference
114084361.10914
Area
1.0357200061256E+15
Volume
2.5074215154696E+22
Surface area
4.1428800245022E+15
Circumference
114084361.10914
Perimeter
72628360
Area
329679917268100
Diagonal
25678002.931229
Surface area
1978079503608600
Volume
5.9860279290294E+21
Space diagonal
31449002.397601
Perimeter
54471270
Area
1.4275559173586E+14
Altitude
15724501.1988
Surface area
1.4275559173586E+14
Volume
7.0546015683146E+20
Height
8559334.3104096