20149405 is an odd 8-digits composite number following 20149404
and preceding 20149406 . In scientific notation, it is written as 2.0149405 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 15271056 positive integers (up to 20149405) that are relatively prime to 20149405.
20149405 has 8 divisors, whose sum is 25452000
The reverse of 20149405 is 50494102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred forty-nine thousand four hundred five
Scientific notation
2.0149405 × 10^7
Engineering notation
2.0149405 × 10^6
Prime Factorization
5 × 19 × 212099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20149405
Product of the distinct prime numbers
The prime factorization of 20149405 is 5 × 19 × 212099.
Since it has a total of 3 prime factors.
1 , 2 , 97 , 59 , 944 , 820 , 1026 , 6672 , 24788 , 55885 , 341555 , 159182 , 9612278 , 393266 , 93096995 , 54103820 , 9981866 , 852724940 , 5730229302 , 4747445970
n×2
40298810
n×3
60448215
n×4
80597620
n×5
100747025
n÷2
10074702.5
n÷3
6716468.3333333
n÷3
5037351.25
n÷5
4029881
n2
405998521854025
n3
8.1806286462381E+21
n4
1.6483479974765E+29
n5
3.3213231382094E+36
2 √n
4488.8088620479
3 √n
272.11599813787
4 √n
66.998573582188
5 √n
28.896979193452
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
-20149404
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 20149405 can be divided by 8 positive divisors.
The sum of these divisors (counting 20149405) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110111010010011101
3
Ternary
1101220200210021
4
Quaternary
1030313102131
5
Quinary
20124240110
6
Senary
1555512141
8
Octal
114672235
10
Decimal
20149405
12
Duodecimal
68b8651
16
Hexadecimal
133749d
20
Vigesimal
65ida5
36
Base36
bzvdp
md5
ef2b83d402f6a575206a9e9e6c23717e
sha1
b43b9b372c396d63b98ed1bd2a75283b8bb744be
sha256
9074cd07d201f92cedd1cbde9eff3f83b92ce2520b84a55fd50f10d2c26c3fd4
sha512
e8a7ea3ec67cadacd048d95099435c5da27cb385d06a0798655c6095b41918c2a16ea6ad28996d4c1e1cd9300384c10503fa500d498aa41e8bbdd9b7dd46af79
ripemd-160
e93d76c6c4c3fb8aff6f8767c94cca4635eafec5
Diameter
40298810
Circumference
126602445.44441
Area
1.2754819736249E+15
Volume
3.4266937142357E+22
Surface area
5.1019278944997E+15
Circumference
126602445.44441
Perimeter
80597620
Area
405998521854025
Diagonal
28495561.824748
Surface area
2435991131124150
Volume
8.1806286462381E+21
Space diagonal
34899793.202282
Perimeter
60448215
Area
1.7580251691226E+14
Altitude
17449896.601141
Surface area
1.7580251691226E+14
Volume
9.6409633168731E+20
Height
9498520.6082494