20021189 is an odd 8-digits composite number following 20021188
and preceding 20021190 . In scientific notation, it is written as 2.0021189 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 18843456 positive integers (up to 20021189) that are relatively prime to 20021189.
20021189 has 4 divisors, whose sum is 21198924
The reverse of 20021189 is 98112002
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million twenty-one thousand one hundred eighty-nine
Scientific notation
2.0021189 × 10^7
Engineering notation
2.0021189 × 10^6
Prime Factorization
17 × 1177717
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20021189
Product of the distinct prime numbers
The prime factorization of 20021189 is 17 × 1177717.
Since it has a total of 2 prime factors.
7 , 6 , 16 , 95 , 180 , 263 , 465 , 7117 , 47501 , 98761 , 99138 , 880943 , 7780442 , 3235402 , 76633721 , 45122471 , 927039849 , 471455110 , 7214131177 , 5315268447
n×2
40042378
n×3
60063567
n×4
80084756
n×5
100105945
n÷2
10010594.5
n÷3
6673729.6666667
n÷3
5005297.25
n÷5
4004237.8
n2
400848008973721
n3
8.0254537479366E+21
n4
1.606791262982E+29
n5
3.2169871559711E+36
2 √n
4474.5043300907
3 √n
271.53758748469
4 √n
66.891735887856
5 √n
28.860109402514
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
-20021188
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 20021189 can be divided by 4 positive divisors.
The sum of these divisors (counting 20021189) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010111111111000101
3
Ternary
1101200011220112
4
Quaternary
1030113333011
5
Quinary
20111134224
6
Senary
1553042405
8
Octal
114277705
10
Decimal
20021189
12
Duodecimal
6856405
16
Hexadecimal
1317fc5
20
Vigesimal
652cj9
36
Base36
bx4g5
md5
786bfd2b85f9170e961e8459da29e5be
sha1
163ef46ba3aed7aa6011bdbf4e130afa2b46e16e
sha256
1074d8bb0f29a083b673e7d649d776d22f95928df0bcb6e41b3531a629b4ae42
sha512
d3bd5874f92481ebc3f1dc2ebcde7ae2a1842e40aeaf8ffd076cd0bbb4348a5a6902fb1e6c7313513807a3a943404c07792fb4a26617958851f817176b4333db
ripemd-160
bfd022b861b3020a32a338c477109129e0aab35d
Diameter
40042378
Circumference
125796840.55707
Area
1.2593011601979E+15
Volume
3.3616942048323E+22
Surface area
5.0372046407917E+15
Circumference
125796840.55707
Perimeter
80084756
Area
400848008973721
Diagonal
28314237.018635
Surface area
2405088053842326
Volume
8.0254537479366E+21
Space diagonal
34677716.575939
Perimeter
60063567
Area
1.7357227941383E+14
Altitude
17338858.28797
Surface area
1.7357227941383E+14
Volume
9.4580879454416E+20
Height
9438079.0062117