20102889 is an odd 8-digits composite number following 20102888
and preceding 20102890 . In scientific notation, it is written as 2.0102889 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13367376 positive integers (up to 20102889) that are relatively prime to 20102889.
20102889 has 8 divisors, whose sum is 26872960
The reverse of 20102889 is 98820102
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred two thousand eight hundred eighty-nine
Scientific notation
2.0102889 × 10^7
Engineering notation
2.0102889 × 10^6
Prime Factorization
3 × 397 × 16879
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20102889
Product of the distinct prime numbers
The prime factorization of 20102889 is 3 × 397 × 16879.
Since it has a total of 3 prime factors.
10 , 8 , 9 , 70 , 448 , 310 , 7914 , 3562 , 95819 , 61753 , 821156 , 191030 , 965552 , 3234914 , 90497884 , 43447863 , 760523007 , 996291347 , 7605112905 , 7988276213
n×2
40205778
n×3
60308667
n×4
80411556
n×5
100514445
n÷2
10051444.5
n÷3
6700963
n÷3
5025722.25
n÷5
4020577.8
n2
404126146146321
n3
8.1241030579773E+21
n4
1.6331794199908E+29
n5
3.2831624597159E+36
2 √n
4483.6245382503
3 √n
271.90643858929
4 √n
66.959872597327
5 √n
28.883624805629
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
-20102888
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 20102889 can be divided by 8 positive divisors.
The sum of these divisors (counting 20102889) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101011111011101001
3
Ternary
1101211022222110
4
Quaternary
1030223323221
5
Quinary
20121243024
6
Senary
1554512533
8
Octal
114537351
10
Decimal
20102889
12
Duodecimal
6895749
16
Hexadecimal
132bee9
20
Vigesimal
65ch49
36
Base36
byvhl
md5
1133a6df0024c05351ae40fe12599bc3
sha1
5b8c4856283dd67f260976da77bbd048adcaa067
sha256
221960729255e1dde36594483c41acca4310863cccd9d6911bfd151951e42ffa
sha512
9490c0f5bd1805f725dd23cd7fbbe47dd7be6e272f2f72638d36d86de95a0c08e1ce888d32dfd288b32c4fa46b16012b647a4ecb98deb1cc8a3f5bdb6e53cb6a
ripemd-160
945c4033785a2490f94237af6fbd719e3dc81565
Diameter
40205778
Circumference
126310176.79666
Area
1.2695997318568E+15
Volume
3.403016331193E+22
Surface area
5.0783989274273E+15
Circumference
126310176.79666
Perimeter
80411556
Area
404126146146321
Diagonal
28429778.266681
Surface area
2424756876877926
Volume
8.1241030579773E+21
Space diagonal
34819225.126917
Perimeter
60308667
Area
1.7499175444811E+14
Altitude
17409612.563459
Surface area
1.7499175444811E+14
Volume
9.5743472722568E+20
Height
9476592.7555603