20129456 is an even 8-digits composite number following 20129455
and preceding 20129457 . In scientific notation, it is written as 2.0129456 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors.
There are 10046400 positive integers (up to 20129456) that are relatively prime to 20129456.
20129456 has 20 divisors, whose sum is 39071904
The reverse of 20129456 is 65492102
Previous prime number is 1381
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred twenty-nine thousand four hundred fifty-six
Scientific notation
2.0129456 × 10^7
Engineering notation
2.0129456 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1381 × 911
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2516182
Product of the distinct prime numbers
The prime factorization of 20129456 is 2 × 2 × 2 × 2 × 1381 × 911.
Since it has a total of 6 prime factors.
7 , 1 , 45 , 51 , 861 , 621 , 5394 , 7490 , 48187 , 12063 , 481820 , 759258 , 9161239 , 7157498 , 75668570 , 57347924 , 951659567 , 216056902 , 3773713134 , 4488015979
n×2
40258912
n×3
60388368
n×4
80517824
n×5
100647280
n÷2
10064728
n÷3
6709818.6666667
n÷3
5032364
n÷5
4025891.2
n2
405194998855936
n3
8.1563549008906E+21
n4
1.6418298709786E+29
n5
3.304914214735E+36
2 √n
4486.5862300863
3 √n
272.02616530299
4 √n
66.981984369577
5 √n
28.891255011854
1 , 2 , 4 , 8 , 16 , 911 , 1381 , 1822 , 2762 , 3644 , 5524 , 7288 , 11048 , 14576 , 22096 , 1258091 , 2516182 , 5032364 , 10064728 , 20129456
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20129455
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20129456 can be divided by 20 positive divisors.
The sum of these divisors (counting 20129456) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100110010011010110000
3
Ternary
1101212200102102
4
Quaternary
1030302122300
5
Quinary
20123120311
6
Senary
1555235532
8
Octal
114623260
10
Decimal
20129456
12
Duodecimal
68a8ba8
16
Hexadecimal
13326b0
20
Vigesimal
65g3cg
36
Base36
bzfzk
md5
e04cce3ff1c2427a36466b517af0bc5a
sha1
70ad8d5a56ff593bc3850221f83f0c501d918eb3
sha256
7381059ffb3ae53f7b0a5f2de521d1c67c8dde2abc7d2021514fa6a39203d0b9
sha512
ed43c902b56c1f8bd5d8054b65e99362b4fedf285b517f2f9be0d041c90defeaffed62b2009336f0c4356646b32da4e38035dc3ed850cfa5df928accb0a4253f
ripemd-160
c6b7d6c1fc02434a80ee7de570d1d681ce9cb21f
Diameter
40258912
Circumference
126477102.18072
Area
1.2729576316771E+15
Volume
3.4165259515612E+22
Surface area
5.0918305267085E+15
Circumference
126477102.18072
Perimeter
80517824
Area
405194998855936
Diagonal
28467349.678392
Surface area
2431169993135616
Volume
8.1563549008906E+21
Space diagonal
34865240.520722
Perimeter
60388368
Area
1.7545458124782E+14
Altitude
17432620.260361
Surface area
1.7545458124782E+14
Volume
9.6123564336398E+20
Height
9489116.5594642