20510149 is an odd 8-digits composite number following 20510148
and preceding 20510150 . In scientific notation, it is written as 2.0510149 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 18645580 positive integers (up to 20510149) that are relatively prime to 20510149.
20510149 has 4 divisors, whose sum is 22374720
The reverse of 20510149 is 94101502
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million five hundred ten thousand one hundred forty-nine
Scientific notation
2.0510149 × 10^7
Engineering notation
2.0510149 × 10^6
Prime Factorization
11 × 1864559
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20510149
Product of the distinct prime numbers
The prime factorization of 20510149 is 11 × 1864559.
Since it has a total of 2 prime factors.
5 , 6 , 61 , 83 , 281 , 521 , 5617 , 6501 , 73842 , 30016 , 818547 , 461098 , 1155739 , 8888374 , 46605691 , 76369983 , 437061817 , 674917186 , 9505410103 , 4181093561
n×2
41020298
n×3
61530447
n×4
82040596
n×5
102550745
n÷2
10255074.5
n÷3
6836716.3333333
n÷3
5127537.25
n÷5
4102029.8
n2
420666212002201
n3
8.6279266874307E+21
n4
1.7696006192028E+29
n5
3.6294772370342E+36
2 √n
4528.8131999454
3 √n
273.73034101925
4 √n
67.296457558667
5 √n
28.999717221443
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
-20510148
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 20510149 can be divided by 4 positive divisors.
The sum of these divisors (counting 20510149) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110001111010111000101
3
Ternary
1102121000122011
4
Quaternary
1032033113011
5
Quinary
20222311044
6
Senary
2011334221
8
Octal
116172705
10
Decimal
20510149
12
Duodecimal
6a51371
16
Hexadecimal
138f5c5
20
Vigesimal
683f79
36
Base36
c7lqd
md5
8a28deec15a72ed619cdd7bce7e0de2f
sha1
1952667fc2b4a034e178d2ecf1cbf2304c9c5e15
sha256
9558138f7d2232095dd7b5dfa3c769bf4f1e933ec75e1b992b91a3cc1cfabd19
sha512
94c0831771699aab76a1c01f21d0882f119c31278de82c647e6fa6e4eeb03da27601e712ada4d86b08d760e78b7e7683fa9c4ed1d3a91d87b84e90a72941b2a5
ripemd-160
d2500199912b09991ebdf30fb09adb9c8de614df
Diameter
41020298
Circumference
128869066.84486
Area
1.3215618812396E+15
Volume
3.6140574795925E+22
Surface area
5.2862475249582E+15
Circumference
128869066.84486
Perimeter
82040596
Area
420666212002201
Diagonal
29005730.882093
Surface area
2523997272013206
Volume
8.6279266874307E+21
Space diagonal
35524620.138808
Perimeter
61530447
Area
1.8215381305384E+14
Altitude
17762310.069404
Surface area
1.8215381305384E+14
Volume
1.0168109113771E+21
Height
9668576.9606977