20498889 is an odd 8-digits composite number following 20498888
and preceding 20498890 . In scientific notation, it is written as 2.0498889 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 12862016 positive integers (up to 20498889) that are relatively prime to 20498889.
20498889 has 8 divisors, whose sum is 28939680
The reverse of 20498889 is 98889402
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty million four hundred ninety-eight thousand eight hundred eighty-nine
Scientific notation
2.0498889 × 10^7
Engineering notation
2.0498889 × 10^6
Prime Factorization
3 × 17 × 401939
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20498889
Product of the distinct prime numbers
The prime factorization of 20498889 is 3 × 17 × 401939.
Since it has a total of 3 prime factors.
5 , 5 , 83 , 1 , 782 , 245 , 2577 , 8507 , 80236 , 34834 , 909220 , 918333 , 1847961 , 5386182 , 69558521 , 99636469 , 784729573 , 871884836 , 9733251197 , 2663318313
n×2
40997778
n×3
61496667
n×4
81995556
n×5
102494445
n÷2
10249444.5
n÷3
6832963
n÷3
5124722.25
n÷5
4099777.8
n2
420204450234321
n3
8.6137243826594E+21
n4
1.7657177999673E+29
n5
3.6195253186853E+36
2 √n
4527.5698779809
3 √n
273.68023951663
4 √n
67.287219276627
5 √n
28.996532373331
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
-20498888
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 20498889 can be divided by 8 positive divisors.
The sum of these divisors (counting 20498889) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001100100111001001
3
Ternary
1102120110012010
4
Quaternary
1032030213021
5
Quinary
20221431024
6
Senary
2011210133
8
Octal
116144711
10
Decimal
20498889
12
Duodecimal
6a46949
16
Hexadecimal
138c9c9
20
Vigesimal
682749
36
Base36
c7d1l
md5
a28be442fb189c2bb5e2318dfa7f4414
sha1
b4170c839e9cf3f95b23b8598e3e4d171b3e968a
sha256
18ddbac8aaa5e72dc3a3d23bce3f3d1393a4882a337ee075c023bf5bc99f49da
sha512
87d070e3c627e7cd740bb6a06fe7393acab3659e5657ee65a3b6f0a81d4ce6aa0ea64670399b9e0774c3c76a4d129545200da564d8e92cb1ca16f0b2c0498f0d
ripemd-160
e9e0437733275f8883214f72e22b7b4f9869a0ab
Diameter
40997778
Circumference
128798318.17831
Area
1.3201112138619E+15
Volume
3.6081084320813E+22
Surface area
5.2804448554475E+15
Circumference
128798318.17831
Perimeter
81995556
Area
420204450234321
Diagonal
28989806.837381
Surface area
2521226701405926
Volume
8.6137243826594E+21
Space diagonal
35505117.246715
Perimeter
61496667
Area
1.819538643431E+14
Altitude
17752558.623357
Surface area
1.819538643431E+14
Volume
1.0151371537084E+21
Height
9663268.9457936