20129618 is an even 8-digits composite number following 20129617
and preceding 20129619 . In scientific notation, it is written as 2.0129618 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 10064808 positive integers (up to 20129618) that are relatively prime to 20129618.
20129618 has 4 divisors, whose sum is 30194430
The reverse of 20129618 is 81692102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred twenty-nine thousand six hundred eighteen
Scientific notation
2.0129618 × 10^7
Engineering notation
2.0129618 × 10^6
Prime Factorization
2 × 10064809
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20129618
Product of the distinct prime numbers
The prime factorization of 20129618 is 2 × 10064809.
Since it has a total of 2 prime factors.
8 , 5 , 24 , 97 , 36 , 518 , 862 , 5963 , 25242 , 3607 , 190659 , 482443 , 803218 , 1721337 , 83735952 , 81558391 , 333209115 , 582510452 , 2125391929 , 743869758
n×2
40259236
n×3
60388854
n×4
80518472
n×5
100648090
n÷2
10064809
n÷3
6709872.6666667
n÷3
5032404.5
n÷5
4025923.6
n2
405201520825924
n3
8.1565518272449E+21
n4
1.6418827247964E+29
n5
3.3050472050951E+36
2 √n
4486.6042838655
3 √n
272.02689504817
4 √n
66.982119135374
5 √n
28.891301514533
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20129617
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20129618 can be divided by 4 positive divisors.
The sum of these divisors (counting 20129618) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010011101010010
3
Ternary
1101212200122102
4
Quaternary
1030302131102
5
Quinary
20123121433
6
Senary
1555240402
8
Octal
114623522
10
Decimal
20129618
12
Duodecimal
68a9102
16
Hexadecimal
1332752
20
Vigesimal
65g40i
36
Base36
bzg42
md5
63430603ed37a4304c46663f10c73d23
sha1
eec33d5407c39e4dfdba90c32bd72379887d1371
sha256
3c03c8266a1afc80537dc18829834f650708a32e8224c3f711f8e8484b2b31ad
sha512
74971456631b483f002e7c963aa7c8995cdbc98ef8628cc83c4f8a781ead33d6be5ac6eb4320ee227acd14da3a621a27dd02bed25f8e7198a4c079ad16d904e6
ripemd-160
ff8cbf70ef4447eb52f6de575257b0c678dac9c3
Diameter
40259236
Circumference
126478120.05674
Area
1.2729781210501E+15
Volume
3.4166084398796E+22
Surface area
5.0919124842005E+15
Circumference
126478120.05674
Perimeter
80518472
Area
405201520825924
Diagonal
28467578.78099
Surface area
2431209124955544
Volume
8.1565518272449E+21
Space diagonal
34865521.112953
Perimeter
60388854
Area
1.7545740534367E+14
Altitude
17432760.556477
Surface area
1.7545740534367E+14
Volume
9.612588513574E+20
Height
9489192.9269965