20149487 is an odd 8-digits composite number following 20149486
and preceding 20149488 . In scientific notation, it is written as 2.0149487 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 19769256 positive integers (up to 20149487) that are relatively prime to 20149487.
20149487 has 4 divisors, whose sum is 20529720
The reverse of 20149487 is 78494102
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred forty-nine thousand four hundred eighty-seven
Scientific notation
2.0149487 × 10^7
Engineering notation
2.0149487 × 10^6
Prime Factorization
53 × 380179
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20149487
Product of the distinct prime numbers
The prime factorization of 20149487 is 53 × 380179.
Since it has a total of 2 prime factors.
2 , 5 , 67 , 85 , 270 , 703 , 473 , 3568 , 2039 , 64832 , 642768 , 783180 , 3044761 , 5165967 , 47100452 , 60871437 , 946683849 , 519608448 , 8310494173 , 3132036628
n×2
40298974
n×3
60448461
n×4
80597948
n×5
100747435
n÷2
10074743.5
n÷3
6716495.6666667
n÷3
5037371.75
n÷5
4029897.4
n2
406001826363169
n3
8.1807285222809E+21
n4
1.6483748301023E+29
n5
3.3213907210273E+36
2 √n
4488.8179958648
3 √n
272.1163672717
4 √n
66.998641746418
5 √n
28.897002713237
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149486
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149487 can be divided by 4 positive divisors.
The sum of these divisors (counting 20149487) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111010011101111
3
Ternary
1101220200220022
4
Quaternary
1030313103233
5
Quinary
20124240422
6
Senary
1555512355
8
Octal
114672357
10
Decimal
20149487
12
Duodecimal
68b86bb
16
Hexadecimal
13374ef
20
Vigesimal
65ide7
36
Base36
bzvfz
md5
fa90a1c7f6364b420e4c2ff0a543fb70
sha1
5235cde2bf3ec0b6d6f2ed3b3481a1eaefcf5cfb
sha256
ffad4c905044d5560153d5dce21586c10d5647f037af74257dd155c61a99ebc6
sha512
01fdb9772e00b0e1fbf3c6dd1919057f20f1ea5a90dbdda6a6f894a7e16142e69aa1465bcbba4e972781265d7904aeb792a38cc5cf7159e1aa0c2f47695fa812
ripemd-160
a462cb69a3f58144bbd2fa56888aaa856cad4d26
Diameter
40298974
Circumference
126602960.66561
Area
1.2754923550466E+15
Volume
3.4267355502147E+22
Surface area
5.1019694201863E+15
Circumference
126602960.66561
Perimeter
80597948
Area
406001826363169
Diagonal
28495677.79026
Surface area
2436010958179014
Volume
8.1807285222809E+21
Space diagonal
34899935.230449
Perimeter
60448461
Area
1.7580394780669E+14
Altitude
17449967.615224
Surface area
1.7580394780669E+14
Volume
9.6410810219184E+20
Height
9498559.2634201