18157071 is an odd 8-digits composite number following 18157070
and preceding 18157072 . In scientific notation, it is written as 1.8157071 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 11234304 positive integers (up to 18157071) that are relatively prime to 18157071.
18157071 has 16 divisors, whose sum is 25989984
The reverse of 18157071 is 17075181
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighteen million one hundred fifty-seven thousand seventy-one
Scientific notation
1.8157071 × 10^7
Engineering notation
1.8157071 × 10^6
Prime Factorization
3 × 17 × 73 × 4877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18157071
Product of the distinct prime numbers
The prime factorization of 18157071 is 3 × 17 × 73 × 4877.
Since it has a total of 4 prime factors.
7 , 4 , 61 , 5 , 736 , 895 , 496 , 1517 , 73477 , 46412 , 963874 , 74108 , 6162214 , 5966163 , 90383973 , 53909570 , 252784590 , 302684513 , 8154410046 , 5141070767
n×2
36314142
n×3
54471213
n×4
72628284
n×5
90785355
n÷2
9078535.5
n÷3
6052357
n÷3
4539267.75
n÷5
3631414.2
n2
329679227299041
n3
5.9860091372938E+21
n4
1.0868839291249E+29
n5
1.973462866988E+36
2 √n
4261.1114747211
3 √n
262.83423365975
4 √n
65.277189543677
5 √n
28.301480730603
1 , 3 , 17 , 51 , 73 , 219 , 1241 , 3723 , 4877 , 14631 , 82909 , 248727 , 356021 , 1068063 , 6052357 , 18157071
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
-18157070
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 18157071 can be divided by 16 positive divisors.
The sum of these divisors (counting 18157071) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101010000111000001111
3
Ternary
1021011110211010
4
Quaternary
1011100320033
5
Quinary
14122011241
6
Senary
1445100303
8
Octal
105207017
10
Decimal
18157071
12
Duodecimal
60b7693
16
Hexadecimal
1150e0f
20
Vigesimal
5d9cdb
36
Base36
at633
md5
573c364626fc5068eb74efa73feb6576
sha1
98d1655a3bee5a845afb90417cbde717e416031c
sha256
f5037ca517569f9088032417c0cc7d16e09789f4a8411dd358858a9d5254bf3d
sha512
2157ffaddbef2015aa92c6de24130b6ebbd5193750f2b4f52c31e9776c0eb359a95949e24e7c5acbe1f4bf7ee247cb1f8985b65177616637c51aba094c29ae2e
ripemd-160
8feba5e6d1d70475e6dbdabee05a08bf0b500a95
Diameter
36314142
Circumference
114084241.72862
Area
1.0357178385238E+15
Volume
2.5074136440058E+22
Surface area
4.1428713540953E+15
Circumference
114084241.72862
Perimeter
72628284
Area
329679227299041
Diagonal
25677976.061171
Surface area
1978075363794246
Volume
5.9860091372938E+21
Space diagonal
31448969.488635
Perimeter
54471213
Area
1.427552929705E+14
Altitude
15724484.744318
Surface area
1.427552929705E+14
Volume
7.0545794220418E+20
Height
8559325.3537237