20129817 is an odd 8-digits composite number following 20129816
and preceding 20129818 . In scientific notation, it is written as 2.0129817 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 13120320 positive integers (up to 20129817) that are relatively prime to 20129817.
20129817 has 16 divisors, whose sum is 27444672
The reverse of 20129817 is 71892102
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred twenty-nine thousand eight hundred seventeen
Scientific notation
2.0129817 × 10^7
Engineering notation
2.0129817 × 10^6
Prime Factorization
3 × 61 × 347 × 317
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20129817
Product of the distinct prime numbers
The prime factorization of 20129817 is 3 × 61 × 347 × 317.
Since it has a total of 4 prime factors.
4 , 2 , 79 , 57 , 953 , 617 , 9207 , 3998 , 97347 , 39699 , 243718 , 632556 , 8590361 , 8048706 , 64564366 , 22325229 , 553203315 , 440330696 , 955189999 , 2517776974
n×2
40259634
n×3
60389451
n×4
80519268
n×5
100649085
n÷2
10064908.5
n÷3
6709939
n÷3
5032454.25
n÷5
4025963.4
n2
405209532453489
n3
8.1567937349443E+21
n4
1.6419476519118E+29
n5
3.3052105756563E+36
2 √n
4486.6264609392
3 √n
272.02779145819
4 √n
66.9822846799
5 √n
28.891358637786
1 , 3 , 61 , 183 , 317 , 347 , 951 , 1041 , 19337 , 21167 , 58011 , 63501 , 109999 , 329997 , 6709939 , 20129817
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20129816
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20129817 can be divided by 16 positive divisors.
The sum of these divisors (counting 20129817) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010100000011001
3
Ternary
1101212200220210
4
Quaternary
1030302200121
5
Quinary
20123123232
6
Senary
1555241333
8
Octal
114624031
10
Decimal
20129817
12
Duodecimal
68a9249
16
Hexadecimal
1332819
20
Vigesimal
65g4ah
36
Base36
bzg9l
md5
28176e76c963f5ccbf5f19a73f34e195
sha1
0139c0d357f274bd55289b7ab3c1d7cbda334b4b
sha256
306ca77c905c6b2319fc0f32d1aceeaa96d2b572218d8436ecfce28b2002b81f
sha512
7fdf5481c39fea731f9cd987ddb2c7bd56eb8a9a9e4a11c736c6fb70776f9bc4dfd6ad1f8531e331148f115e3d27e444ae16a08c9e0cafd1e8bc99859c6d010d
ripemd-160
3e24335de911c8be077a05df646939889e1a8205
Diameter
40259634
Circumference
126479370.41061
Area
1.2730032903204E+15
Volume
3.4167097699398E+22
Surface area
5.0920131612817E+15
Circumference
126479370.41061
Perimeter
80519268
Area
405209532453489
Diagonal
28467860.209488
Surface area
2431257194720934
Volume
8.1567937349443E+21
Space diagonal
34865865.791064
Perimeter
60389451
Area
1.7546087448017E+14
Altitude
17432932.895532
Surface area
1.7546087448017E+14
Volume
9.6128736045318E+20
Height
9489286.7364962