20147647 is an odd 8-digits composite number following 20147646
and preceding 20147648 . In scientific notation, it is written as 2.0147647 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 18094752 positive integers (up to 20147647) that are relatively prime to 20147647.
20147647 has 8 divisors, whose sum is 22284416
The reverse of 20147647 is 74674102
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-seven thousand six hundred forty-seven
Scientific notation
2.0147647 × 10^7
Engineering notation
2.0147647 × 10^6
Prime Factorization
13 × 37 × 41887
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20147647
Product of the distinct prime numbers
The prime factorization of 20147647 is 13 × 37 × 41887.
Since it has a total of 3 prime factors.
7 , 8 , 67 , 81 , 445 , 221 , 3555 , 8497 , 92715 , 70297 , 449695 , 561430 , 2487195 , 131126 , 51497948 , 46706270 , 674087751 , 15700360 , 821943151 , 2721842026
n×2
40295294
n×3
60442941
n×4
80590588
n×5
100738235
n÷2
10073823.5
n÷3
6715882.3333333
n÷3
5036911.75
n÷5
4029529.4
n2
405927679636609
n3
8.1784875968475E+21
n4
1.6477728109516E+29
n5
3.3198744931251E+36
2 √n
4488.6130374538
3 √n
272.10808402761
4 √n
66.997112157568
5 √n
28.896474933773
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
-20147646
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 20147647 can be divided by 8 positive divisors.
The sum of these divisors (counting 20147647) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110110110111111
3
Ternary
1101220121101011
4
Quaternary
1030312312333
5
Quinary
20124211042
6
Senary
1555500051
8
Octal
114666677
10
Decimal
20147647
12
Duodecimal
68b7627
16
Hexadecimal
1336dbf
20
Vigesimal
65i927
36
Base36
bzu0v
md5
31d90749a16a214e7be312c40b1b36e4
sha1
e3e6808b5616403c90e6666fc32ed6554af6b457
sha256
33d26f870065da04a6d4eaa580a52c6eee295194eceaeb24eff27d8d7254ee66
sha512
a8c95654df5f76a676ec87c41e29756d955d1b5f07d78d0f2baac5932d81a7c66ba47148243226ae643193bbe8a2f7f5ad6d991e96c1151ef7d05a6a6f29d179
ripemd-160
3cfa655cf5507763301ddebdbe49176c6ab131da
Diameter
40295294
Circumference
126591399.60464
Area
1.2752594162351E+15
Volume
3.4257968735642E+22
Surface area
5.1010376649405E+15
Circumference
126591399.60464
Perimeter
80590588
Area
405927679636609
Diagonal
28493075.637306
Surface area
2435566077819654
Volume
8.1784875968475E+21
Space diagonal
34896748.256963
Perimeter
60442941
Area
1.7577184133229E+14
Altitude
17448374.128481
Surface area
1.7577184133229E+14
Volume
9.6384400659682E+20
Height
9497691.8791019