20508742 is an even 8-digits composite number following 20508741
and preceding 20508743 . In scientific notation, it is written as 2.0508742 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 9801792 positive integers (up to 20508742) that are relatively prime to 20508742.
20508742 has 16 divisors, whose sum is 32142240
The reverse of 20508742 is 24780502
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million five hundred eight thousand seven hundred forty-two
Scientific notation
2.0508742 × 10^7
Engineering notation
2.0508742 × 10^6
Prime Factorization
2 × 103 × 29 × 3433
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20508742
Product of the distinct prime numbers
The prime factorization of 20508742 is 2 × 103 × 29 × 3433.
Since it has a total of 4 prime factors.
7 , 1 , 69 , 27 , 988 , 460 , 8288 , 6464 , 81149 , 56478 , 570156 , 900045 , 9288029 , 4558090 , 17817034 , 76033612 , 924591367 , 938952450 , 3537737132 , 9565624882
n×2
41017484
n×3
61526226
n×4
82034968
n×5
102543710
n÷2
10254371
n÷3
6836247.3333333
n÷3
5127185.5
n÷5
4101748.4
n2
420608498422564
n3
8.6261511771558E+21
n4
1.7691150894528E+29
n5
3.6282324937895E+36
2 √n
4528.6578585713
3 √n
273.72408155884
4 √n
67.295303391629
5 √n
28.999319333336
1 , 2 , 29 , 58 , 103 , 206 , 2987 , 3433 , 5974 , 6866 , 99557 , 199114 , 353599 , 707198 , 10254371 , 20508742
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
-20508741
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 20508742 can be divided by 16 positive divisors.
The sum of these divisors (counting 20508742) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001111000001000110
3
Ternary
1102120221201001
4
Quaternary
1032033001012
5
Quinary
20222234432
6
Senary
2011323514
8
Octal
116170106
10
Decimal
20508742
12
Duodecimal
6a5059a
16
Hexadecimal
138f046
20
Vigesimal
683bh2
36
Base36
c7kna
md5
201c969fd3156293de21324dba6b453b
sha1
e60594931425e0b733d8f0564b2aa99bd54f14ed
sha256
30b723679050144d2d39feedd23be292a2a30220d4799bce08348baeedb799ea
sha512
9aae31acdadaeaed001f66e83b8bcb2bcbd2ccbe23555a4131f3732ceef3bdffac9100000e6c57e37e90957cf59ac678c2095325b0799c19cfc650b2ff953445
ripemd-160
292a3c28d0a225013ebf849aa2dc654b811987f7
Diameter
41017484
Circumference
128860226.40314
Area
1.3213805686818E+15
Volume
3.6133137555877E+22
Surface area
5.285522274727E+15
Circumference
128860226.40314
Perimeter
82034968
Area
420608498422564
Diagonal
29003741.083611
Surface area
2523650990535384
Volume
8.6261511771558E+21
Space diagonal
35522183.143322
Perimeter
61526226
Area
1.8212882234078E+14
Altitude
17761091.571661
Surface area
1.8212882234078E+14
Volume
1.0166016654845E+21
Height
9667913.6945369