20129545 is an odd 8-digits composite number following 20129544
and preceding 20129546 . In scientific notation, it is written as 2.0129545 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 16103632 positive integers (up to 20129545) that are relatively prime to 20129545.
20129545 has 4 divisors, whose sum is 24155460
The reverse of 20129545 is 54592102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred twenty-nine thousand five hundred forty-five
Scientific notation
2.0129545 × 10^7
Engineering notation
2.0129545 × 10^6
Prime Factorization
5 × 4025909
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20129545
Product of the distinct prime numbers
The prime factorization of 20129545 is 5 × 4025909.
Since it has a total of 2 prime factors.
5 , 3 , 85 , 18 , 752 , 606 , 1539 , 8449 , 36081 , 75340 , 926659 , 901099 , 4189502 , 690944 , 97376874 , 98727938 , 438843916 , 456684240 , 5466021199 , 2664676057
n×2
40259090
n×3
60388635
n×4
80518180
n×5
100647725
n÷2
10064772.5
n÷3
6709848.3333333
n÷3
5032386.25
n÷5
4025909
n2
405198581907025
n3
8.1564630884336E+21
n4
1.6418589077946E+29
n5
3.3049872768103E+36
2 √n
4486.5961485295
3 √n
272.02656621287
4 √n
66.982058407678
5 √n
28.891280559659
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20129544
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20129545 can be divided by 4 positive divisors.
The sum of these divisors (counting 20129545) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010011100001001
3
Ternary
1101212200112201
4
Quaternary
1030302130021
5
Quinary
20123121140
6
Senary
1555240201
8
Octal
114623411
10
Decimal
20129545
12
Duodecimal
68a9061
16
Hexadecimal
1332709
20
Vigesimal
65g3h5
36
Base36
bzg21
md5
ae27427121b37a1167b2d189d7f1c060
sha1
f5489872ac70c12ff66c8a305e7fd8d120720cb1
sha256
ab8085947d5f14dfd20a82062c7b56686724cdce903357fdf4e547f2d842a4b5
sha512
70dd9c1daf206429687383e42f1b6d10c559cf311b73df66db41339f37591bc0ae5751c6ed88f1ceab5417c25db1e363ca6a3fbe84a9d2d24093bf4067fe31b9
ripemd-160
e0768f79a20d14b6bd918bcd2e4e9a68e8a65a13
Diameter
40259090
Circumference
126477661.38421
Area
1.2729688881641E+15
Volume
3.4165712690533E+22
Surface area
5.0918755526564E+15
Circumference
126477661.38421
Perimeter
80518180
Area
405198581907025
Diagonal
28467475.5434
Surface area
2431191491442150
Volume
8.1564630884336E+21
Space diagonal
34865394.673244
Perimeter
60388635
Area
1.7545613275446E+14
Altitude
17432697.336622
Surface area
1.7545613275446E+14
Volume
9.612483933882E+20
Height
9489158.5144665