20138145 is an odd 8-digits composite number following 20138144
and preceding 20138146 . In scientific notation, it is written as 2.0138145 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 10363392 positive integers (up to 20138145) that are relatively prime to 20138145.
20138145 has 16 divisors, whose sum is 24721920
The reverse of 20138145 is 54183102
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred thirty-eight thousand one hundred forty-five
Scientific notation
2.0138145 × 10^7
Engineering notation
2.0138145 × 10^6
Prime Factorization
5 × 159 × 73 × 347
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20138145
Product of the distinct prime numbers
The prime factorization of 20138145 is 5 × 159 × 73 × 347.
Since it has a total of 4 prime factors.
10 , 2 , 60 , 23 , 554 , 871 , 9099 , 8119 , 95073 , 58764 , 922536 , 191497 , 4894301 , 8171755 , 27225433 , 93378067 , 533980963 , 841978329 , 3995530607 , 1050560643
n×2
40276290
n×3
60414435
n×4
80552580
n×5
100690725
n÷2
10069072.5
n÷3
6712715
n÷3
5034536.25
n÷5
4027629
n2
405544884041025
n3
8.1669216788263E+21
n4
1.6446665297185E+29
n5
3.3120533052118E+36
2 √n
4487.5544564941
3 √n
272.06530024599
4 √n
66.9892114933
5 √n
28.893748797891
1 , 5 , 73 , 159 , 347 , 365 , 795 , 1735 , 11607 , 25331 , 55173 , 58035 , 126655 , 275865 , 4027629 , 20138145
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
-20138144
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 20138145 can be divided by 16 positive divisors.
The sum of these divisors (counting 20138145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100100010100001
3
Ternary
1101220010100020
4
Quaternary
1030310202201
5
Quinary
20123410040
6
Senary
1555344053
8
Octal
114644241
10
Decimal
20138145
12
Duodecimal
68b2029
16
Hexadecimal
13348a1
20
Vigesimal
65h575
36
Base36
bzmox
md5
53115248c310971f0deeb02f676b3852
sha1
f37caa5d4a486f599c5cdc33442446d783e967ee
sha256
6c94cd0ae443e8b2ce807b670b639a54a1bc1e91128819dcac78a66f8dfc0c24
sha512
35be79eaeb8cb4209aa9486af703b9e009add309fe9d435372526cd74dcd65a76a25a3b9a2535fb64fe1c54cf43ec8354f96b9f2be275e1288ce55820614c49f
ripemd-160
bc23179b093a2e7ec03ff02d9684122d8fc9806e
Diameter
40276290
Circumference
126531696.77785
Area
1.2740568284042E+15
Volume
3.4209521531525E+22
Surface area
5.0962273136168E+15
Circumference
126531696.77785
Perimeter
80552580
Area
405544884041025
Diagonal
28479637.780036
Surface area
2433269304246150
Volume
8.1669216788263E+21
Space diagonal
34880290.310189
Perimeter
60414435
Area
1.7560608597717E+14
Altitude
17440145.155095
Surface area
1.7560608597717E+14
Volume
9.6248095008626E+20
Height
9493212.5933453