20189957 is an odd 8-digits composite number following 20189956
and preceding 20189958 . In scientific notation, it is written as 2.0189957 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 19877760 positive integers (up to 20189957) that are relatively prime to 20189957.
20189957 has 8 divisors, whose sum is 20504640
The reverse of 20189957 is 75998102
Previous prime number is 929
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million one hundred eighty-nine thousand nine hundred fifty-seven
Scientific notation
2.0189957 × 10^7
Engineering notation
2.0189957 × 10^6
Prime Factorization
211 × 929 × 103
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20189957
Product of the distinct prime numbers
The prime factorization of 20189957 is 211 × 929 × 103.
Since it has a total of 3 prime factors.
2 , 3 , 81 , 61 , 702 , 281 , 9860 , 4489 , 88717 , 78174 , 193263 , 155599 , 1727222 , 7568216 , 9548239 , 58483390 , 522792148 , 819357203 , 2485584197 , 5141490521
n×2
40379914
n×3
60569871
n×4
80759828
n×5
100949785
n÷2
10094978.5
n÷3
6729985.6666667
n÷3
5047489.25
n÷5
4037991.4
n2
407634363661849
n3
8.2301202740551E+21
n4
1.66165774438E+29
n5
3.3548798407749E+36
2 √n
4493.3236028579
3 √n
272.29842624492
4 √n
67.032257927493
5 √n
28.908601254586
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
-20189956
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 20189957 can be divided by 8 positive divisors.
The sum of these divisors (counting 20189957) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000001001100000101
3
Ternary
1101222202102012
4
Quaternary
1031001030011
5
Quinary
20132034312
6
Senary
2000424005
8
Octal
115011405
10
Decimal
20189957
12
Duodecimal
6918005
16
Hexadecimal
1341305
20
Vigesimal
663ehh
36
Base36
c0qo5
md5
a95b54dac71fd97dbf751b907bb4adbe
sha1
4fc8aa49a89f12a44024e3ae42c9b65ba4130979
sha256
e245d4a42398806d9c6a3340c55faeb43b7402836547fd99b637b20482a94a85
sha512
f3170d196d79866e3fbd315f7224664cb162c6033150e151a9c5177f0454b1d72ab803c5792c50067790f7ac354e3e9016c058ad6c57c33f712a966696aacdfb
ripemd-160
d1d2ca58736aa72bcf71bc97d4da58ca16cc4c0e
Diameter
40379914
Circumference
126857241.17499
Area
1.2806211222308E+15
Volume
3.4474247188176E+22
Surface area
5.1224844889233E+15
Circumference
126857241.17499
Perimeter
80759828
Area
407634363661849
Diagonal
28552911.01313
Surface area
2445806181971094
Volume
8.2301202740551E+21
Space diagonal
34970031.326631
Perimeter
60569871
Area
1.7651085719333E+14
Altitude
17485015.663315
Surface area
1.7651085719333E+14
Volume
9.6992897596087E+20
Height
9517637.0043765