20129842 is an even 8-digits composite number following 20129841
and preceding 20129843 . In scientific notation, it is written as 2.0129842 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 9951744 positive integers (up to 20129842) that are relatively prime to 20129842.
20129842 has 8 divisors, whose sum is 30534300
The reverse of 20129842 is 24892102
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred twenty-nine thousand eight hundred forty-two
Scientific notation
2.0129842 × 10^7
Engineering notation
2.0129842 × 10^6
Prime Factorization
2 × 89 × 113089
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20129842
Product of the distinct prime numbers
The prime factorization of 20129842 is 2 × 89 × 113089.
Since it has a total of 3 prime factors.
3 , 1 , 98 , 23 , 35 , 599 , 833 , 1830 , 69220 , 67388 , 614424 , 658098 , 5325136 , 8260664 , 27066278 , 92293060 , 634932463 , 172061215 , 8124746957 , 4435345654
n×2
40259684
n×3
60389526
n×4
80519368
n×5
100649210
n÷2
10064921
n÷3
6709947.3333333
n÷3
5032460.5
n÷5
4025968.4
n2
405210538944964
n3
8.156824125697E+21
n4
1.6419558087207E+29
n5
3.305231100053E+36
2 √n
4486.629246996
3 √n
272.0279040721
4 √n
66.982305476865
5 √n
28.891365814042
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20129841
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20129842 can be divided by 8 positive divisors.
The sum of these divisors (counting 20129842) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010100000110010
3
Ternary
1101212200221201
4
Quaternary
1030302200302
5
Quinary
20123123332
6
Senary
1555241414
8
Octal
114624062
10
Decimal
20129842
12
Duodecimal
68a926a
16
Hexadecimal
1332832
20
Vigesimal
65g4c2
36
Base36
bzgaa
md5
1d4e0c7f40d18a492f2dc465655eb2e6
sha1
2f3b2ee8c8b24683a8326de2f62a681c8c39683d
sha256
1c33cf15fda2cd8d00aef2cb8b526d8f2cf901a5aec570ecee98f18484cd5e19
sha512
bb7e4c881faa4f47b9dad501d010a3b9dd6b75b855a2393828452927cda38c6f1d08f5faff73ac21e147158e1a9e6c9db4d0abe1af298b04ffa283c2acb22c22
ripemd-160
ee29500afcddb27d2448971325dc10b47e4822e6
Diameter
40259684
Circumference
126479527.49025
Area
1.2730064523067E+15
Volume
3.4167224999885E+22
Surface area
5.0920258092266E+15
Circumference
126479527.49025
Perimeter
80519368
Area
405210538944964
Diagonal
28467895.564828
Surface area
2431263233669784
Volume
8.156824125697E+21
Space diagonal
34865909.092334
Perimeter
60389526
Area
1.7546131030376E+14
Altitude
17432954.546167
Surface area
1.7546131030376E+14
Volume
9.6129094203773E+20
Height
9489298.5216092