20158642 is an even 8-digits composite number following 20158641
and preceding 20158643 . In scientific notation, it is written as 2.0158642 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 8639412 positive integers (up to 20158642) that are relatively prime to 20158642.
20158642 has 8 divisors, whose sum is 34557696
The reverse of 20158642 is 24685102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred fifty-eight thousand six hundred forty-two
Scientific notation
2.0158642 × 10^7
Engineering notation
2.0158642 × 10^6
Prime Factorization
2 × 7 × 1439903
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20158642
Product of the distinct prime numbers
The prime factorization of 20158642 is 2 × 7 × 1439903.
Since it has a total of 3 prime factors.
3 , 10 , 94 , 94 , 226 , 288 , 9380 , 8287 , 95727 , 47149 , 915036 , 772697 , 1938621 , 8572532 , 21538210 , 73005027 , 987163145 , 414079634 , 1335673427 , 2911469481
n×2
40317284
n×3
60475926
n×4
80634568
n×5
100793210
n÷2
10079321
n÷3
6719547.3333333
n÷3
5039660.5
n÷5
4031728.4
n2
406370847284164
n3
8.1918844296381E+21
n4
1.6513726552245E+29
n5
3.328943016526E+36
2 √n
4489.8376362626
3 √n
272.15757341818
4 √n
67.006250725306
5 √n
28.899628129883
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
-20158641
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 20158642 can be divided by 8 positive divisors.
The sum of these divisors (counting 20158642) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111001100010110010
3
Ternary
1101221011110101
4
Quaternary
1030321202302
5
Quinary
20130034032
6
Senary
2000023014
8
Octal
114714262
10
Decimal
20158642
12
Duodecimal
6901a6a
16
Hexadecimal
13398b2
20
Vigesimal
65jgc2
36
Base36
c02ia
md5
490f105d43810b4ba340b26ad4a788f6
sha1
2e24013bedcbce5b9ee94a159492a0cb97fd8211
sha256
3811a3358f3548f394ccbb96dfe8de077e5e1f601605e2997ac63f89fa55fbbf
sha512
22fa2addd8bb0288f015f16005f5e13e232eb2dab523cf245c17f40a10a685e5743ef317a3b32bb6a3466197e485a0cdf10fd8f4e4fccc5b650f91efc53970d4
ripemd-160
4f7fd422ca0c25416f3f9eb0465e32e5251242dd
Diameter
40317284
Circumference
126660483.22709
Area
1.276651668461E+15
Volume
3.431408525761E+22
Surface area
5.106606673844E+15
Circumference
126660483.22709
Perimeter
80634568
Area
406370847284164
Diagonal
28508624.915424
Surface area
2438225083704984
Volume
8.1918844296381E+21
Space diagonal
34915792.155592
Perimeter
60475926
Area
1.7596373855275E+14
Altitude
17457896.077796
Surface area
1.7596373855275E+14
Volume
9.6542283848227E+20
Height
9502874.971808