20542493 is an odd 8-digits composite number following 20542492
and preceding 20542494 . In scientific notation, it is written as 2.0542493 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 20406300 positive integers (up to 20542493) that are relatively prime to 20542493.
20542493 has 4 divisors, whose sum is 20678688
The reverse of 20542493 is 39424502
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million five hundred forty-two thousand four hundred ninety-three
Scientific notation
2.0542493 × 10^7
Engineering notation
2.0542493 × 10^6
Prime Factorization
151 × 136043
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20542493
Product of the distinct prime numbers
The prime factorization of 20542493 is 151 × 136043.
Since it has a total of 2 prime factors.
2 , 5 , 29 , 66 , 242 , 862 , 6786 , 9096 , 34222 , 54572 , 835766 , 136402 , 7997998 , 4367692 , 49473988 , 46226834 , 33792152 , 859561977 , 5382118324 , 6087935310
n×2
41084986
n×3
61627479
n×4
82169972
n×5
102712465
n÷2
10271246.5
n÷3
6847497.6666667
n÷3
5135623.25
n÷5
4108498.6
n2
421994018655049
n3
8.6688091742632E+21
n4
1.7807895178064E+29
n5
3.6581856204011E+36
2 √n
4532.3827067007
3 √n
273.87415411861
4 √n
67.322973097604
5 √n
29.008857825471
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
-20542492
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 20542493 can be divided by 4 positive divisors.
The sum of these divisors (counting 20542493) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110010111010000011101
3
Ternary
1102122200000002
4
Quaternary
1032113100131
5
Quinary
20224324433
6
Senary
2012144045
8
Octal
116272035
10
Decimal
20542493
12
Duodecimal
6a68025
16
Hexadecimal
139741d
20
Vigesimal
687g4d
36
Base36
c8aot
md5
0e0916e9a096745cbe5b02f3161161d4
sha1
a61cac01d921851314bafb3f7b276b01b8e94100
sha256
06f3c5d3991d82ac4d563bc6790e47a1aeafa3a8010d0d107eb9ac41616e68b2
sha512
8bb3ef5c5ae438cf85625f44eb89031cf7ad2382f1ae7dbb5ab1e9f596ecb1d616f787f5f6eae2c4a85dea9b4099ee24960e70cc092295c82077cf9009e57b70
ripemd-160
6e7bebb41f3d141ed445a03801cbf6c666d66668
Diameter
41084986
Circumference
129072290.19044
Area
1.3257333088655E+15
Volume
3.6311822956316E+22
Surface area
5.3029332354621E+15
Circumference
129072290.19044
Perimeter
82169972
Area
421994018655049
Diagonal
29051472.205554
Surface area
2531964111930294
Volume
8.6688091742632E+21
Space diagonal
35580641.590128
Perimeter
61627479
Area
1.8272877020018E+14
Altitude
17790320.795064
Surface area
1.8272877020018E+14
Volume
1.0216289586556E+21
Height
9683824.0685181