20147145 is an odd 8-digits composite number following 20147144
and preceding 20147146 . In scientific notation, it is written as 2.0147145 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 10662080 positive integers (up to 20147145) that are relatively prime to 20147145.
20147145 has 16 divisors, whose sum is 32484672
The reverse of 20147145 is 54174102
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred forty-seven thousand one hundred forty-five
Scientific notation
2.0147145 × 10^7
Engineering notation
2.0147145 × 10^6
Prime Factorization
5 × 3 × 131 × 10253
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20147145
Product of the distinct prime numbers
The prime factorization of 20147145 is 5 × 3 × 131 × 10253.
Since it has a total of 4 prime factors.
6 , 6 , 71 , 17 , 780 , 471 , 2640 , 6625 , 90330 , 56455 , 426169 , 712068 , 734380 , 5209409 , 12321215 , 58179431 , 984934607 , 907033909 , 4708502719 , 508817816
n×2
40294290
n×3
60441435
n×4
80588580
n×5
100735725
n÷2
10073572.5
n÷3
6715715
n÷3
5036786.25
n÷5
4029429
n2
405907451651025
n3
8.1778762849937E+21
n4
1.6476085930583E+29
n5
3.3194609227591E+36
2 √n
4488.5571178275
3 √n
272.10582405498
4 √n
66.996694827637
5 √n
28.896330935072
1 , 3 , 5 , 15 , 131 , 393 , 655 , 1965 , 10253 , 30759 , 51265 , 153795 , 1343143 , 4029429 , 6715715 , 20147145
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
-20147144
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 20147145 can be divided by 16 positive divisors.
The sum of these divisors (counting 20147145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110101111001001
3
Ternary
1101220120200120
4
Quaternary
1030312233021
5
Quinary
20124202040
6
Senary
1555453453
8
Octal
114665711
10
Decimal
20147145
12
Duodecimal
68b7289
16
Hexadecimal
1336bc9
20
Vigesimal
65i7h5
36
Base36
bztmx
md5
51e8fd1b04c4d2423afb3da813349e1f
sha1
4d470dfc537bc9dbb4d748e4a8603a2fcaaed03c
sha256
853eeb013678f48f1def0c22eb387777e1bd9e9797d61dd60756e1a3afc589fc
sha512
0e7ba6c06b56cd6523a6e0d0188daeb0a68b5d024078c4565ea805e14c8a8dc6ee8a2d88bf31e15da1d8ac90b374fc6128f6f002c2e57465779895d6dd0cb8cd
ripemd-160
5fd35d12bef8589edf0cc2b6e48cb61979995d53
Diameter
40294290
Circumference
126588245.44562
Area
1.2751958681442E+15
Volume
3.4255408078536E+22
Surface area
5.1007834725769E+15
Circumference
126588245.44562
Perimeter
80588580
Area
405907451651025
Diagonal
28492365.702097
Surface area
2435444709906150
Volume
8.1778762849937E+21
Space diagonal
34895878.767457
Perimeter
60441435
Area
1.757630823576E+14
Altitude
17447939.383729
Surface area
1.757630823576E+14
Volume
9.6377196280395E+20
Height
9497455.2340324