20386947 is an odd 8-digits composite number following 20386946
and preceding 20386948 . In scientific notation, it is written as 2.0386947 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 11142912 positive integers (up to 20386947) that are relatively prime to 20386947.
20386947 has 16 divisors, whose sum is 32417280
The reverse of 20386947 is 74968302
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million three hundred eighty-six thousand nine hundred forty-seven
Scientific notation
2.0386947 × 10^7
Engineering notation
2.0386947 × 10^6
Prime Factorization
3 × 7 × 23 × 42209
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20386947
Product of the distinct prime numbers
The prime factorization of 20386947 is 3 × 7 × 23 × 42209.
Since it has a total of 4 prime factors.
1 , 1 , 79 , 35 , 23 , 291 , 5 , 9583 , 42965 , 86788 , 808710 , 826529 , 6551204 , 9426997 , 95542901 , 11878416 , 204879419 , 494572381 , 8770453166 , 2817258833
n×2
40773894
n×3
61160841
n×4
81547788
n×5
101934735
n÷2
10193473.5
n÷3
6795649
n÷3
5096736.75
n÷5
4077389.4
n2
415627607980809
n3
8.4733780156415E+21
n4
1.7274630851585E+29
n5
3.5217698361583E+36
2 √n
4515.1906936474
3 √n
273.18115148852
4 √n
67.19516867787
5 √n
28.964793644442
1 , 3 , 7 , 21 , 23 , 69 , 161 , 483 , 42209 , 126627 , 295463 , 886389 , 970807 , 2912421 , 6795649 , 20386947
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20386946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20386947 can be divided by 16 positive divisors.
The sum of these divisors (counting 20386947) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110001010010000011
3
Ternary
1102100202122010
4
Quaternary
1031301102003
5
Quinary
20204340242
6
Senary
2004544003
8
Octal
115612203
10
Decimal
20386947
12
Duodecimal
69b2003
16
Hexadecimal
1371483
20
Vigesimal
678777
36
Base36
c4yo3
md5
6ef6d3d4e80480aff752e264166e7477
sha1
9f4b801b4cdaa59e5520df73af3f965b5233fc89
sha256
a355bc8a4b55d57ea37075eacd0f644ff7b8946128ae6232873844f6954222a2
sha512
cf126f01fbd7dedb4ee73cefa07dfc248c7b7f1eb06a778dbf767aac772feee36a01a749a042f08f873ccb9c5427f3858c971b47cbf96614a53929b691f6400a
ripemd-160
bad814839948b29f1a89f58ac869731b14770c00
Diameter
40773894
Circumference
128094965.84865
Area
1.3057326398616E+15
Volume
3.5493202833372E+22
Surface area
5.2229305594464E+15
Circumference
128094965.84865
Perimeter
81547788
Area
415627607980809
Diagonal
28831496.942781
Surface area
2493765647884854
Volume
8.4733780156415E+21
Space diagonal
35311228.015214
Perimeter
61160841
Area
1.7997203351277E+14
Altitude
17655614.007607
Surface area
1.7997203351277E+14
Volume
9.9859717573619E+20
Height
9610498.9809272