20129142 is an even 8-digits composite number following 20129141
and preceding 20129143 . In scientific notation, it is written as 2.0129142 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 6043520 positive integers (up to 20129142) that are relatively prime to 20129142.
20129142 has 32 divisors, whose sum is 44323200
The reverse of 20129142 is 24192102
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred twenty-nine thousand one hundred forty-two
Scientific notation
2.0129142 × 10^7
Engineering notation
2.0129142 × 10^6
Prime Factorization
2 × 3 × 11 × 113 × 2699
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20129142
Product of the distinct prime numbers
The prime factorization of 20129142 is 2 × 3 × 11 × 113 × 2699.
Since it has a total of 5 prime factors.
10 , 9 , 2 , 89 , 794 , 994 , 5600 , 5976 , 38279 , 60091 , 351028 , 369857 , 5999222 , 2885627 , 12738688 , 27185391 , 764277628 , 604655613 , 2684836829 , 2482026651
n×2
40258284
n×3
60387426
n×4
80516568
n×5
100645710
n÷2
10064571
n÷3
6709714
n÷3
5032285.5
n÷5
4025828.4
n2
405182357656164
n3
8.1559732131557E+21
n4
1.6417274295581E+29
n5
3.304656455487E+36
2 √n
4486.5512367519
3 √n
272.02475084748
4 √n
66.981723154543
5 √n
28.891164876177
1 , 2 , 3 , 6 , 11 , 22 , 33 , 66 , 113 , 226 , 339 , 678 , 1243 , 2486 , 2699 , 3729 , 5398 , 7458 , 8097 , 16194 , 29689 , 59378 , 89067 , 178134 , 304987 , 609974 , 914961 , 1829922 , 3354857 , 6709714 , 10064571 , 20129142
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20129141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20129142 can be divided by 32 positive divisors.
The sum of these divisors (counting 20129142) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110010010101110110
3
Ternary
1101212122222210
4
Quaternary
1030302111312
5
Quinary
20123113032
6
Senary
1555234250
8
Octal
114622566
10
Decimal
20129142
12
Duodecimal
68a8986
16
Hexadecimal
1332576
20
Vigesimal
65g2h2
36
Base36
bzfqu
md5
811b80763edfd507f66bbeefa68e80f8
sha1
16306a3fae94e3152185381cabd64f0ce5879bb6
sha256
e51e42c7e1b41186ea5499402023cc7854e0715664530156814c5da5435f6d35
sha512
fe1dcabc3aefa0cf9d9f86b1651a4909e297e85a440d2e45662781aa0a9f2e3eb055a046527fa68aa8b5472934e6031dbfd60576740ef53f0a1423b768291eae
ripemd-160
6d2de641457cf637563e1c4983f4dea6703f045d
Diameter
40258284
Circumference
126475129.26053
Area
1.2729179181768E+15
Volume
3.4163660705767E+22
Surface area
5.0916716727072E+15
Circumference
126475129.26053
Perimeter
80516568
Area
405182357656164
Diagonal
28466905.615334
Surface area
2431094145936984
Volume
8.1559732131557E+21
Space diagonal
34864696.656769
Perimeter
60387426
Area
1.7544910744776E+14
Altitude
17432348.328384
Surface area
1.7544910744776E+14
Volume
9.6119066103304E+20
Height
9488968.5384446