20189881 is an odd 8-digits prime number following 20189880
and preceding 20189882 . In scientific notation, it is written as 2.0189881 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 20189880 positive integers (up to 20189881) that are relatively prime to 20189881.
20189881 has 2 divisors, whose sum is 20189882
The reverse of 20189881 is 18898102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred eighty-nine thousand eight hundred eighty-one
Scientific notation
2.0189881 × 10^7
Engineering notation
2.0189881 × 10^6
Prime Factorization
20189881
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20189881
Product of the distinct prime numbers
The prime factorization of 20189881 is 20189881.
Since it has a total of 1 prime factors.
5 , 10 , 92 , 79 , 988 , 889 , 4332 , 5040 , 57513 , 99419 , 177800 , 157686 , 8699917 , 410129 , 6438237 , 30382306 , 577181360 , 481751628 , 4346740651 , 5435810317
n×2
40379762
n×3
60569643
n×4
80759524
n×5
100949405
n÷2
10094940.5
n÷3
6729960.3333333
n÷3
5047470.25
n÷5
4037976.2
n2
407631294794161
n3
8.23002733377E+21
n4
1.6616327249556E+29
n5
3.354816698256E+36
2 √n
4493.3151458583
3 √n
272.29808457824
4 √n
67.032194845897
5 √n
28.908579490726
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20189882
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10094941
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4493.3152571348
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999009405
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20189881 can be divided by 2 positive divisors.
The sum of these divisors (counting 20189881) is 20189882, the average is 10094941.
Base
System
Value
2
Binary
1001101000001001010111001
3
Ternary
1101222202022101
4
Quaternary
1031001022321
5
Quinary
20132034011
6
Senary
2000423401
8
Octal
115011271
10
Decimal
20189881
12
Duodecimal
6917b61
16
Hexadecimal
13412b9
20
Vigesimal
663ee1
36
Base36
c0qm1
md5
326845759d3101a3c8bb300c378f58fa
sha1
7589b5eec98407dfab2a0780b880c7c3aaa6cf64
sha256
3e3c56008420de88abd0be27eccaf239374d35e6788585011d692f57607703d0
sha512
68a2276e6292d12dd3fba3c462c228822d96ecb05c6e580ea0407feed87634a8ea36e9b55470ab7debbe550f0146ac4b6faca642e77dc19561fdae7d428fd453
ripemd-160
4c32684ab55b42688fa63bfdd5a7b2b491d69322
Diameter
40379762
Circumference
126856763.6529
Area
1.2806114810986E+15
Volume
3.447385788082E+22
Surface area
5.1224459243945E+15
Circumference
126856763.6529
Perimeter
80759524
Area
407631294794161
Diagonal
28552803.532899
Surface area
2445787768764966
Volume
8.23002733377E+21
Space diagonal
34969899.69077
Perimeter
60569643
Area
1.7650952833464E+14
Altitude
17484949.845385
Surface area
1.7650952833464E+14
Volume
9.6991802284324E+20
Height
9517601.177633