20129894 is an even 8-digits composite number following 20129893
and preceding 20129895 . In scientific notation, it is written as 2.0129894 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 10047600 positive integers (up to 20129894) that are relatively prime to 20129894.
20129894 has 8 divisors, whose sum is 30246888
The reverse of 20129894 is 49892102
Previous prime number is 601
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred twenty-nine thousand eight hundred ninety-four
Scientific notation
2.0129894 × 10^7
Engineering notation
2.0129894 × 10^6
Prime Factorization
2 × 601 × 16747
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20129894
Product of the distinct prime numbers
The prime factorization of 20129894 is 2 × 601 × 16747.
Since it has a total of 3 prime factors.
7 , 8 , 89 , 69 , 873 , 783 , 5395 , 9191 , 41059 , 24677 , 933349 , 574580 , 1243685 , 1845138 , 61720146 , 89099655 , 804828086 , 377370298 , 2719693348 , 6433437297
n×2
40259788
n×3
60389682
n×4
80519576
n×5
100649470
n÷2
10064947
n÷3
6709964.6666667
n÷3
5032473.5
n÷5
4025978.8
n2
405212632451236
n3
8.1568873387043E+21
n4
1.6419727749806E+29
n5
3.3052737911245E+36
2 √n
4486.6350419886
3 √n
272.02813830872
4 √n
66.982348734488
5 √n
28.891380740632
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
-20129893
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 20129894 can be divided by 8 positive divisors.
The sum of these divisors (counting 20129894) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010100001100110
3
Ternary
1101212201000122
4
Quaternary
1030302201212
5
Quinary
20123124034
6
Senary
1555241542
8
Octal
114624146
10
Decimal
20129894
12
Duodecimal
68a92b2
16
Hexadecimal
1332866
20
Vigesimal
65g4ee
36
Base36
bzgbq
md5
702c599502c022022a07a9c98f517517
sha1
115df638d5d5b01b6cfeefab5a7f2d345aff1a5d
sha256
0c4da1889fb8dbabe2f252c4c6012a81fa01428e83c318548690bb40f04c2dda
sha512
c54f858f8e46ac273fddf228816989b7070676b1f208e455fbbffa27a8f1a32bd2fb2369b8e2c97327942a22eb17b91a00534564a96b4469a1bb27c4344e500b
ripemd-160
8c6338d206270e777d8320b6c675b9f4d8312d16
Diameter
40259788
Circumference
126479854.21588
Area
1.2730130292506E+15
Volume
3.4167489785911E+22
Surface area
5.0920521170023E+15
Circumference
126479854.21588
Perimeter
80519576
Area
405212632451236
Diagonal
28467969.103933
Surface area
2431275794707416
Volume
8.1568873387043E+21
Space diagonal
34865999.158976
Perimeter
60389682
Area
1.7546221681857E+14
Altitude
17432999.579488
Surface area
1.7546221681857E+14
Volume
9.6129839176209E+20
Height
9489323.0346443