20129906 is an even 8-digits composite number following 20129905
and preceding 20129907 . In scientific notation, it is written as 2.0129906 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 9898800 positive integers (up to 20129906) that are relatively prime to 20129906.
20129906 has 16 divisors, whose sum is 30697920
The reverse of 20129906 is 60992102
Previous prime number is 227
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred twenty-nine thousand nine hundred six
Scientific notation
2.0129906 × 10^7
Engineering notation
2.0129906 × 10^6
Prime Factorization
2 × 101 × 227 × 439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20129906
Product of the distinct prime numbers
The prime factorization of 20129906 is 2 × 101 × 227 × 439.
Since it has a total of 4 prime factors.
10 , 1 , 43 , 39 , 127 , 787 , 36 , 6628 , 78919 , 52246 , 831000 , 562882 , 9877526 , 1272080 , 28497070 , 78569425 , 215802395 , 363478862 , 8822444998 , 5768927415
n×2
40259812
n×3
60389718
n×4
80519624
n×5
100649530
n÷2
10064953
n÷3
6709968.6666667
n÷3
5032476.5
n÷5
4025981.2
n2
405213115568836
n3
8.1569019263678E+21
n4
1.64197669029E+29
n5
3.3052836429729E+36
2 √n
4486.6363792935
3 √n
272.02819236327
4 √n
66.982358717005
5 √n
28.891384185225
1 , 2 , 101 , 202 , 227 , 439 , 454 , 878 , 22927 , 44339 , 45854 , 88678 , 99653 , 199306 , 10064953 , 20129906
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
-20129905
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 20129906 can be divided by 16 positive divisors.
The sum of these divisors (counting 20129906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010100001110010
3
Ternary
1101212201001002
4
Quaternary
1030302201302
5
Quinary
20123124111
6
Senary
1555242002
8
Octal
114624162
10
Decimal
20129906
12
Duodecimal
68a9302
16
Hexadecimal
1332872
20
Vigesimal
65g4f6
36
Base36
bzgc2
md5
77682f9576926004f7efa9b94c12e6de
sha1
b173581df0bb54900cfe44d72dac8dad9aca8d1f
sha256
665892e4523665b6c30e1ec9632a26651507dd12558e2aa88909e1ebd7160e28
sha512
da139a7b1937f436c52af7b4fd689c25842300238650024c834ea5b92461bac6eb82476a23e143015297a210e305b9f16186ad8445048ff7d1c59e7a564785fe
ripemd-160
d53cbf34e5e73e0d27ebfb3378a34de999255f5b
Diameter
40259812
Circumference
126479929.61411
Area
1.2730145470093E+15
Volume
3.4167550890573E+22
Surface area
5.0920581880371E+15
Circumference
126479929.61411
Perimeter
80519624
Area
405213115568836
Diagonal
28467986.074496
Surface area
2431278693413016
Volume
8.1569019263678E+21
Space diagonal
34866019.943586
Perimeter
60389718
Area
1.7546242601463E+14
Altitude
17433009.971793
Surface area
1.7546242601463E+14
Volume
9.6130011093471E+20
Height
9489328.6914985