20189915 is an odd 8-digits composite number following 20189914
and preceding 20189916 . In scientific notation, it is written as 2.0189915 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 15924160 positive integers (up to 20189915) that are relatively prime to 20189915.
20189915 has 8 divisors, whose sum is 24569568
The reverse of 20189915 is 51998102
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred eighty-nine thousand nine hundred fifteen
Scientific notation
2.0189915 × 10^7
Engineering notation
2.0189915 × 10^6
Prime Factorization
5 × 71 × 56873
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20189915
Product of the distinct prime numbers
The prime factorization of 20189915 is 5 × 71 × 56873.
Since it has a total of 3 prime factors.
3 , 8 , 72 , 10 , 770 , 253 , 8981 , 4861 , 85401 , 67618 , 27195 , 603230 , 485362 , 7288783 , 13503883 , 28358759 , 459934838 , 452728293 , 2949104895 , 2704477649
n×2
40379830
n×3
60569745
n×4
80759660
n×5
100949575
n÷2
10094957.5
n÷3
6729971.6666667
n÷3
5047478.75
n÷5
4037983
n2
407632667707225
n3
8.2300689122321E+21
n4
1.6616439178211E+29
n5
3.3548449461075E+36
2 √n
4493.3189292549
3 √n
272.29823742923
4 √n
67.032223066633
5 √n
28.908589227198
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
-20189914
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 20189915 can be divided by 8 positive divisors.
The sum of these divisors (counting 20189915) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000001001011011011
3
Ternary
1101222202100122
4
Quaternary
1031001023123
5
Quinary
20132034130
6
Senary
2000423455
8
Octal
115011333
10
Decimal
20189915
12
Duodecimal
6917b8b
16
Hexadecimal
13412db
20
Vigesimal
663eff
36
Base36
c0qmz
md5
7fd48d591c737a16e5e64836fac200b9
sha1
ca1a4850a6d76772fa429933292d0fa3e49d0cb2
sha256
2fa0faf165b31c2fa32f0b8c3179516928f0edc319155ce786779072190f0ee0
sha512
c7bf7c9c99773e85d8367f850dd3e0fde181f4e040f753275a588b2316b5ad6b38eecbfbd13e05cf54c19cdb530fe025e2c167fdb63c2f836dce4b17c122b0b2
ripemd-160
f7d97f5ce482a6c68e74b4ceb7b7200ddd8ad5ad
Diameter
40379830
Circumference
126856977.2812
Area
1.2806157942322E+15
Volume
3.4474032044275E+22
Surface area
5.1224631769289E+15
Circumference
126856977.2812
Perimeter
80759660
Area
407632667707225
Diagonal
28552851.61616
Surface area
2445796006243350
Volume
8.2300689122321E+21
Space diagonal
34969958.580497
Perimeter
60569745
Area
1.7651012282344E+14
Altitude
17484979.290248
Surface area
1.7651012282344E+14
Volume
9.6992292291199E+20
Height
9517617.2053867