20154123 is an odd 8-digits composite number following 20154122
and preceding 20154124 . In scientific notation, it is written as 2.0154123 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 11761200 positive integers (up to 20154123) that are relatively prime to 20154123.
20154123 has 16 divisors, whose sum is 21862400
The reverse of 20154123 is 32145102
Previous prime number is 121
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred fifty-four thousand one hundred twenty-three
Scientific notation
2.0154123 × 10^7
Engineering notation
2.0154123 × 10^6
Prime Factorization
27 × 31 × 121 × 199
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20154123
Product of the distinct prime numbers
The prime factorization of 20154123 is 27 × 31 × 121 × 199.
Since it has a total of 4 prime factors.
4 , 5 , 73 , 46 , 234 , 981 , 2041 , 4302 , 72219 , 8417 , 284330 , 254205 , 9366175 , 4292230 , 54800411 , 9068084 , 629765645 , 128819707 , 4687620397 , 1081855012
n×2
40308246
n×3
60462369
n×4
80616492
n×5
100770615
n÷2
10077061.5
n÷3
6718041
n÷3
5038530.75
n÷5
4030824.6
n2
406188673899129
n3
8.1863764949699E+21
n4
1.6498923880393E+29
n5
3.3252134125308E+36
2 √n
4489.3343604592
3 √n
272.13723520976
4 √n
67.002495180846
5 √n
28.898332317083
1 , 27 , 31 , 121 , 199 , 837 , 3267 , 3751 , 5373 , 6169 , 24079 , 101277 , 166563 , 650133 , 746449 , 20154123
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
-20154122
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 20154123 can be divided by 16 positive divisors.
The sum of these divisors (counting 20154123) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111000011100001011
3
Ternary
1101220221021000
4
Quaternary
1030320130023
5
Quinary
20124412443
6
Senary
1555550043
8
Octal
114703413
10
Decimal
20154123
12
Duodecimal
68bb323
16
Hexadecimal
133870b
20
Vigesimal
65j563
36
Base36
bzz0r
md5
2b1d40ba412a5830966fc18eb1b88b4f
sha1
5791252d9c93447357203e48e20734f15fd7b789
sha256
6de13e9ea6a3abae8685bb72e96c09fe0117d174d37d3976e6317282ef316b71
sha512
811ac70a464dfea152c8381c2efaf053db68bbe063c7e1c2a2d1d5892cfbeeaae71c4c684110ed2a26c8c0948e850906c9c23ecbb09f4879de1d3ba408e05d3a
ripemd-160
1a45ae4b5742de11552c774610656fad63a762cd
Diameter
40308246
Circumference
126632089.51269
Area
1.2760793538929E+15
Volume
3.4291013674824E+22
Surface area
5.1043174155715E+15
Circumference
126632089.51269
Perimeter
80616492
Area
406188673899129
Diagonal
28502234.084336
Surface area
2437132043394774
Volume
8.1863764949699E+21
Space diagonal
34907965.017992
Perimeter
60462369
Area
1.7588485516308E+14
Altitude
17453982.508996
Surface area
1.7588485516308E+14
Volume
9.6477372215657E+20
Height
9500744.6947785