20147745 is an odd 8-digits composite number following 20147744
and preceding 20147746 . In scientific notation, it is written as 2.0147745 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 10745456 positive integers (up to 20147745) that are relatively prime to 20147745.
20147745 has 4 divisors, whose sum is 21490944
The reverse of 20147745 is 54774102
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred forty-seven thousand seven hundred forty-five
Scientific notation
2.0147745 × 10^7
Engineering notation
2.0147745 × 10^6
Prime Factorization
15 × 1343183
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20147745
Product of the distinct prime numbers
The prime factorization of 20147745 is 15 × 1343183.
Since it has a total of 2 prime factors.
2 , 4 , 59 , 82 , 603 , 770 , 4586 , 619 , 23800 , 81195 , 396486 , 404794 , 2628570 , 553192 , 1494479 , 53291242 , 527318404 , 972239742 , 8886926654 , 7517510321
n×2
40295490
n×3
60443235
n×4
80590980
n×5
100738725
n÷2
10073872.5
n÷3
6715915
n÷3
5036936.25
n÷5
4029549
n2
405931628585025
n3
8.1786069401658E+21
n4
1.6478048708569E+29
n5
3.3199552347783E+36
2 √n
4488.6239539529
3 √n
272.10852521311
4 √n
66.997193627442
5 √n
28.896503044739
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
-20147744
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 20147745 can be divided by 4 positive divisors.
The sum of these divisors (counting 20147745) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110111000100001
3
Ternary
1101220121111210
4
Quaternary
1030312320201
5
Quinary
20124211440
6
Senary
1555500333
8
Octal
114667041
10
Decimal
20147745
12
Duodecimal
68b76a9
16
Hexadecimal
1336e21
20
Vigesimal
65i975
36
Base36
bzu3l
md5
6d57b44a175e8fc710ee70c42e9ecc80
sha1
771b914f3776e6a4579f6abfc1e40b9339ef5a1b
sha256
c01723956680b992670be7295bd12262770caa1393b6e854eef9c14e00fc8866
sha512
004d1432269db46160450e134b398d0de5b6d96206f7ae0e3c5f53373b9965d4d69d155bb2e767a1030430a1ea389989daf4d3e09160b53415d8b2f318625cd1
ripemd-160
56d6bd39b47274c3773a2ba4494b987ea58af574
Diameter
40295490
Circumference
126592015.3568
Area
1.2752718222225E+15
Volume
3.4258468639764E+22
Surface area
5.1010872888898E+15
Circumference
126592015.3568
Perimeter
80590980
Area
405931628585025
Diagonal
28493214.230235
Surface area
2435589771510150
Volume
8.1786069401658E+21
Space diagonal
34896917.997942
Perimeter
60443235
Area
1.7577355127711E+14
Altitude
17448458.998971
Surface area
1.7577355127711E+14
Volume
9.6385807134177E+20
Height
9497738.0767449