20147243 is an odd 8-digits composite number following 20147242
and preceding 20147244 . In scientific notation, it is written as 2.0147243 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 20137008 positive integers (up to 20147243) that are relatively prime to 20147243.
20147243 has 4 divisors, whose sum is 20157480
The reverse of 20147243 is 34274102
Previous prime number is 2659
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred forty-seven thousand two hundred forty-three
Scientific notation
2.0147243 × 10^7
Engineering notation
2.0147243 × 10^6
Prime Factorization
2659 × 7577
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20147243
Product of the distinct prime numbers
The prime factorization of 20147243 is 2659 × 7577.
Since it has a total of 2 prime factors.
10 , 9 , 59 , 81 , 543 , 381 , 3019 , 3817 , 59604 , 58551 , 642428 , 852592 , 1211407 , 8803287 , 17811659 , 38351979 , 539739170 , 754396429 , 8540111378 , 6495713085
n×2
40294486
n×3
60441729
n×4
80588972
n×5
100736215
n÷2
10073621.5
n÷3
6715747.6666667
n÷3
5036810.75
n÷5
4029448.6
n2
405911400501049
n3
8.177995622365E+21
n4
1.6476406505672E+29
n5
3.3195416563656E+36
2 √n
4488.5680344627
3 √n
272.10626524781
4 √n
66.996776299033
5 √n
28.896359046598
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
-20147242
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 20147243 can be divided by 4 positive divisors.
The sum of these divisors (counting 20147243) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110110000101011
3
Ternary
1101220120211012
4
Quaternary
1030312300223
5
Quinary
20124202433
6
Senary
1555454135
8
Octal
114666053
10
Decimal
20147243
12
Duodecimal
68b734b
16
Hexadecimal
1336c2b
20
Vigesimal
65i823
36
Base36
bztpn
md5
db421fe8dfa039a9113efc850edeef64
sha1
2b71675b07f9b03194e35ab67922322251ddf6c9
sha256
fdc4727551ed41d009e3ef3c032395b6a30e57e7ba03aa8770cdfbb04881c504
sha512
a64b55f6b8f004f0cb41cda39a87068767de2e9afd69088609e161d5fea17d695d5b6a2c894ab01fe31ca7ea7fd6194b3db8885131caf9e6ef0e94cd83d0dbc4
ripemd-160
e401eeed60b20984db8c142818ff3c96b2591f47
Diameter
40294486
Circumference
126588861.19778
Area
1.2752082738224E+15
Volume
3.4255907957748E+22
Surface area
5.1008330952898E+15
Circumference
126588861.19778
Perimeter
80588972
Area
405911400501049
Diagonal
28492504.295026
Surface area
2435468403006294
Volume
8.177995622365E+21
Space diagonal
34896048.508436
Perimeter
60441729
Area
1.7576479225981E+14
Altitude
17448024.254218
Surface area
1.7576479225981E+14
Volume
9.6378602684803E+20
Height
9497501.4316755