20129918 is an even 8-digits composite number following 20129917
and preceding 20129919 . In scientific notation, it is written as 2.0129918 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 10049416 positive integers (up to 20129918) that are relatively prime to 20129918.
20129918 has 8 divisors, whose sum is 30241512
The reverse of 20129918 is 81992102
Previous prime number is 677
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred twenty-nine thousand nine hundred eighteen
Scientific notation
2.0129918 × 10^7
Engineering notation
2.0129918 × 10^6
Prime Factorization
2 × 677 × 14867
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20129918
Product of the distinct prime numbers
The prime factorization of 20129918 is 2 × 677 × 14867.
Since it has a total of 3 prime factors.
3 , 5 , 56 , 82 , 579 , 822 , 6232 , 4261 , 82954 , 42509 , 201298 , 521407 , 4040365 , 7165489 , 11257344 , 24253592 , 816922653 , 69910729 , 2323332793 , 5054819653
n×2
40259836
n×3
60389754
n×4
80519672
n×5
100649590
n÷2
10064959
n÷3
6709972.6666667
n÷3
5032479.5
n÷5
4025983.6
n2
405213598686724
n3
8.1569165140487E+21
n4
1.6419806056065E+29
n5
3.3052934948448E+36
2 √n
4486.637716598
3 √n
272.0282464178
4 √n
66.982368699517
5 √n
28.891387629817
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
-20129917
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 20129918 can be divided by 8 positive divisors.
The sum of these divisors (counting 20129918) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010100001111110
3
Ternary
1101212201001112
4
Quaternary
1030302201332
5
Quinary
20123124133
6
Senary
1555242022
8
Octal
114624176
10
Decimal
20129918
12
Duodecimal
68a9312
16
Hexadecimal
133287e
20
Vigesimal
65g4fi
36
Base36
bzgce
md5
769fe508aa6e3b0bf022a43c4188432b
sha1
4c0fe7f3ff388f403798d0586cf4cfe68ae1d2c1
sha256
68bb6ce7c067dec51b80733d7bf01ea65528d59eb29239c56f78613791e36b09
sha512
7879f7b7033cfd78bb04bd67578d7a324bcd26b3f97f3d0f17cb657c5fccec5a7583c4132913f47f36ccedae0c62edda61db38863adc240b13172f70290a4b61
ripemd-160
314d8c98f7f3a0bc9324733650ca0fc0e7a8064e
Diameter
40259836
Circumference
126480005.01233
Area
1.2730160647689E+15
Volume
3.4167611995307E+22
Surface area
5.0920642590756E+15
Circumference
126480005.01233
Perimeter
80519672
Area
405213598686724
Diagonal
28468003.045058
Surface area
2431281592120344
Volume
8.1569165140487E+21
Space diagonal
34866040.728195
Perimeter
60389754
Area
1.7546263521081E+14
Altitude
17433020.364098
Surface area
1.7546263521081E+14
Volume
9.6130183010939E+20
Height
9489334.3483528