20158189 is an odd 8-digits composite number following 20158188
and preceding 20158190 . In scientific notation, it is written as 2.0158189 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 19281724 positive integers (up to 20158189) that are relatively prime to 20158189.
20158189 has 4 divisors, whose sum is 21034656
The reverse of 20158189 is 98185102
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred fifty-eight thousand one hundred eighty-nine
Scientific notation
2.0158189 × 10^7
Engineering notation
2.0158189 × 10^6
Prime Factorization
23 × 876443
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20158189
Product of the distinct prime numbers
The prime factorization of 20158189 is 23 × 876443.
Since it has a total of 2 prime factors.
2 , 7 , 49 , 34 , 828 , 118 , 5845 , 5746 , 24478 , 36768 , 845387 , 409334 , 2370292 , 6783522 , 59146039 , 44778229 , 157607253 , 857822266 , 8509252193 , 3070163012
n×2
40316378
n×3
60474567
n×4
80632756
n×5
100790945
n÷2
10079094.5
n÷3
6719396.3333333
n÷3
5039547.25
n÷5
4031637.8
n2
406352583759721
n3
8.1913321840668E+21
n4
1.651224223282E+29
n5
3.3285689974297E+36
2 √n
4489.7871887206
3 √n
272.15553478376
4 √n
67.005874285175
5 √n
28.899498243661
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
-20158188
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 20158189 can be divided by 4 positive divisors.
The sum of these divisors (counting 20158189) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111001011011101101
3
Ternary
1101221010211121
4
Quaternary
1030321123231
5
Quinary
20130030224
6
Senary
2000020541
8
Octal
114713355
10
Decimal
20158189
12
Duodecimal
6901751
16
Hexadecimal
13396ed
20
Vigesimal
65jf99
36
Base36
c025p
md5
9115710de47d021d7d514a3ccf27fc54
sha1
2d219e832a47fb969b807f8f243eeb6d390ddcca
sha256
454af286cb2ae38c63ada20459423ba5c05400f94831b9e07492b4b8b0576c42
sha512
d9390bf7888895d6ef2675a75ba31224950522cd65979261a49b951ac92c0b2af37549ca63b2f58fefa08347a1d3494b926dfbec4ae0024cfb67f525a60e3804
ripemd-160
4a2ed7db80212f8e60705845b555ad652060bb64
Diameter
40316378
Circumference
126657636.94415
Area
1.2765942919068E+15
Volume
3.431177201677E+22
Surface area
5.1063771676271E+15
Circumference
126657636.94415
Perimeter
80632756
Area
406352583759721
Diagonal
28507984.27668
Surface area
2438115502558326
Volume
8.1913321840668E+21
Space diagonal
34915007.536576
Perimeter
60474567
Area
1.7595583021468E+14
Altitude
17457503.768288
Surface area
1.7595583021468E+14
Volume
9.6535775571754E+20
Height
9502661.42556