20189889 is an odd 8-digits composite number following 20189888
and preceding 20189890 . In scientific notation, it is written as 2.0189889 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 13362264 positive integers (up to 20189889) that are relatively prime to 20189889.
20189889 has 12 divisors, whose sum is 29374800
The reverse of 20189889 is 98898102
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million one hundred eighty-nine thousand eight hundred eighty-nine
Scientific notation
2.0189889 × 10^7
Engineering notation
2.0189889 × 10^6
Prime Factorization
3 × 3 × 139 × 16139
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6729963
Product of the distinct prime numbers
The prime factorization of 20189889 is 3 × 3 × 139 × 16139.
Since it has a total of 4 prime factors.
1 , 8 , 5 , 87 , 365 , 83 , 2465 , 1507 , 58402 , 73764 , 614555 , 845608 , 9162322 , 5712060 , 31680331 , 23982635 , 98513925 , 407218364 , 4435707648 , 8228306389
n×2
40379778
n×3
60569667
n×4
80759556
n×5
100949445
n÷2
10094944.5
n÷3
6729963
n÷3
5047472.25
n÷5
4037977.8
n2
407631617832321
n3
8.230037116925E+21
n4
1.661635358566E+29
n5
3.3548233447922E+36
2 √n
4493.3160360696
3 √n
272.2981205432
4 √n
67.032201486074
5 √n
28.908581781661
1 , 3 , 9 , 139 , 417 , 1251 , 16139 , 48417 , 145251 , 2243321 , 6729963 , 20189889
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20189888
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20189889 can be divided by 12 positive divisors.
The sum of these divisors (counting 20189889) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000001001011000001
3
Ternary
1101222202022200
4
Quaternary
1031001023001
5
Quinary
20132034024
6
Senary
2000423413
8
Octal
115011301
10
Decimal
20189889
12
Duodecimal
6917b69
16
Hexadecimal
13412c1
20
Vigesimal
663ee9
36
Base36
c0qm9
md5
2b1c90bf90b08150604d628ef7863f81
sha1
e69b53769e50c5e246a07bbefb10137d1579ff33
sha256
e42609d05ccd05c08c2a4c9b5caa6d1ac69493b2c08373fb5e91b481273cf531
sha512
12946221618ee7b352064afc32c619c75076b35b39f96b17b0df91bf2733cc2b21492863ccf8a23bc82c6822af8af6027a14a11fb3e4eed08dbcee3f4c9b010e
ripemd-160
b76f2240686e2d3b4626876c4202446340915ce1
Diameter
40379778
Circumference
126856813.91839
Area
1.2806124959529E+15
Volume
3.4473898860404E+22
Surface area
5.1224499838118E+15
Circumference
126856813.91839
Perimeter
80759556
Area
407631617832321
Diagonal
28552814.846607
Surface area
2445789706993926
Volume
8.230037116925E+21
Space diagonal
34969913.547176
Perimeter
60569667
Area
1.7650966821427E+14
Altitude
17484956.773588
Surface area
1.7650966821427E+14
Volume
9.6991917579911E+20
Height
9517604.9488691