20137945 is an odd 8-digits composite number following 20137944
and preceding 20137946 . In scientific notation, it is written as 2.0137945 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 15162624 positive integers (up to 20137945) that are relatively prime to 20137945.
20137945 has 8 divisors, whose sum is 25587144
The reverse of 20137945 is 54973102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred thirty-seven thousand nine hundred forty-five
Scientific notation
2.0137945 × 10^7
Engineering notation
2.0137945 × 10^6
Prime Factorization
5 × 17 × 236917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20137945
Product of the distinct prime numbers
The prime factorization of 20137945 is 5 × 17 × 236917.
Since it has a total of 3 prime factors.
7 , 6 , 55 , 90 , 885 , 304 , 5103 , 775 , 87218 , 18585 , 205833 , 878745 , 1636380 , 7544285 , 98344951 , 20529483 , 133601140 , 150371178 , 4483932530 , 1120234033
n×2
40275890
n×3
60413835
n×4
80551780
n×5
100689725
n÷2
10068972.5
n÷3
6712648.3333333
n÷3
5034486.25
n÷5
4027589
n2
405536828823025
n3
8.1666783543125E+21
n4
1.6446011953184E+29
n5
3.3118888418255E+36
2 √n
4487.5321725866
3 √n
272.06439957978
4 √n
66.989045168495
5 √n
28.893691406579
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
-20137944
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 20137945 can be divided by 8 positive divisors.
The sum of these divisors (counting 20137945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100011111011001
3
Ternary
1101220010001211
4
Quaternary
1030310133121
5
Quinary
20123403240
6
Senary
1555343121
8
Octal
114643731
10
Decimal
20137945
12
Duodecimal
68b1aa1
16
Hexadecimal
13347d9
20
Vigesimal
65h4h5
36
Base36
bzmjd
md5
8b54d96b037fa601d790a802a2c2e317
sha1
cfd79fba477d7ce75656ca3c2f3fbd2d394da6ce
sha256
0f4cc696cd1d5aa356aa38bf293a7c1265c73fd3fc29e27a6853026e2faee29c
sha512
aedb66f940e0f7dc919df6253ec467227e460c78f566f37e6ac5c3c1db966b87078ad642c28cdcaf724835a10d5fad825e373fb64c652713b51eb0a67820cf01
ripemd-160
51d09e02dcd45dd76a39fdf409c7186050806b94
Diameter
40275890
Circumference
126530440.14079
Area
1.2740315221905E+15
Volume
3.4208502296185E+22
Surface area
5.0961260887621E+15
Circumference
126530440.14079
Perimeter
80551780
Area
405536828823025
Diagonal
28479354.937323
Surface area
2433220972938150
Volume
8.1666783543125E+21
Space diagonal
34879943.900028
Perimeter
60413835
Area
1.7560259796546E+14
Altitude
17439971.950014
Surface area
1.7560259796546E+14
Volume
9.6245227401729E+20
Height
9493118.3124412