20342649 is an odd 8-digits composite number following 20342648
and preceding 20342650 . In scientific notation, it is written as 2.0342649 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 12972080 positive integers (up to 20342649) that are relatively prime to 20342649.
20342649 has 8 divisors, whose sum is 28302912
The reverse of 20342649 is 94624302
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million three hundred forty-two thousand six hundred forty-nine
Scientific notation
2.0342649 × 10^7
Engineering notation
2.0342649 × 10^6
Prime Factorization
3 × 23 × 294821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20342649
Product of the distinct prime numbers
The prime factorization of 20342649 is 3 × 23 × 294821.
Since it has a total of 3 prime factors.
7 , 3 , 15 , 100 , 705 , 382 , 9003 , 1913 , 48269 , 13477 , 195891 , 26085 , 1507676 , 8314420 , 13042037 , 68717387 , 456488567 , 822404395 , 5949348920 , 6729965888
n×2
40685298
n×3
61027947
n×4
81370596
n×5
101713245
n÷2
10171324.5
n÷3
6780883
n÷3
5085662.25
n÷5
4068529.8
n2
413823368337201
n3
8.4182635300814E+21
n4
1.7124978018195E+29
n5
3.4836741695685E+36
2 √n
4510.282585382
3 √n
272.98314645921
4 √n
67.158637459243
5 √n
28.952195396467
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
-20342648
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 20342649 can be divided by 8 positive divisors.
The sum of these divisors (counting 20342649) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101100110011101111001
3
Ternary
1102021111212110
4
Quaternary
1031212131321
5
Quinary
20201431044
6
Senary
2004002533
8
Octal
115463571
10
Decimal
20342649
12
Duodecimal
6990449
16
Hexadecimal
1366779
20
Vigesimal
672gc9
36
Base36
c40hl
md5
b4f05fb39497852c5c28b420663a3541
sha1
ecf9fc3c21a1a9215642a9610e8e18e099b8f456
sha256
f65553efe8c8f9bdafe4eb355a7a10b98e002ebcaf88ba60e13ca53ed797a6bf
sha512
4ebde29c7006f085a254c75cac6d9328a1f2fe201522cb2bc993845729fa05b088866f2d35a860afd500ee158638e97e1be417c74261ee8b524f72a3e2edcd13
ripemd-160
4c92d61ffca8aa5f865ff9fdb4cc02945523c0de
Diameter
40685298
Circumference
127816633.30591
Area
1.3000644538519E+15
Volume
3.5262339816115E+22
Surface area
5.2002578154077E+15
Circumference
127816633.30591
Perimeter
81370596
Area
413823368337201
Diagonal
28768850.110395
Surface area
2482940210023206
Volume
8.4182635300814E+21
Space diagonal
35234501.62854
Perimeter
61027947
Area
1.7919077482983E+14
Altitude
17617250.81427
Surface area
1.7919077482983E+14
Volume
9.9210187132266E+20
Height
9589616.7034652