20108251 is an odd 8-digits composite number following 20108250
and preceding 20108252 . In scientific notation, it is written as 2.0108251 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 19049904 positive integers (up to 20108251) that are relatively prime to 20108251.
20108251 has 4 divisors, whose sum is 21166600
The reverse of 20108251 is 15280102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred eight thousand two hundred fifty-one
Scientific notation
2.0108251 × 10^7
Engineering notation
2.0108251 × 10^6
Prime Factorization
19 × 1058329
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20108251
Product of the distinct prime numbers
The prime factorization of 20108251 is 19 × 1058329.
Since it has a total of 2 prime factors.
3 , 2 , 23 , 18 , 55 , 162 , 4845 , 1203 , 38544 , 88633 , 465512 , 893101 , 4628212 , 871031 , 70601629 , 29764068 , 353446628 , 336252931 , 9847398790 , 8711589391
n×2
40216502
n×3
60324753
n×4
80433004
n×5
100541255
n÷2
10054125.5
n÷3
6702750.3333333
n÷3
5027062.75
n÷5
4021650.2
n2
404341758279001
n3
8.1306055652555E+21
n4
1.6349225748815E+29
n5
3.2875433501284E+36
2 √n
4484.2224521092
3 √n
271.93061144518
4 √n
66.964337166205
5 √n
28.885165454589
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
-20108250
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 20108251 can be divided by 4 positive divisors.
The sum of these divisors (counting 20108251) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101101001111011011
3
Ternary
1101211121100001
4
Quaternary
1030231033123
5
Quinary
20121431001
6
Senary
1554553431
8
Octal
114551733
10
Decimal
20108251
12
Duodecimal
6898877
16
Hexadecimal
132d3db
20
Vigesimal
65dacb
36
Base36
byzmj
md5
7e444e5eef6e617ce2ca2494b8943546
sha1
90bec01f7683eb05b0cd484f169c5b37e8f94531
sha256
715cbdf231bdff2c21475ad3cb0631440dc80ad30aa04e071a52ceea193ab76a
sha512
9c4d56e5bba1da1e3f7892a5f96a343f7555db3393c853a03511cb7ec485dc85a4b9adefd7012bd05bf38860e1cac2cff6f76556411a111ab7fd10c9851bbf82
ripemd-160
a1913d6b7552614ea3a889edf69db8c403bf0a08
Diameter
40216502
Circumference
126343867.23628
Area
1.2702770973489E+15
Volume
3.4057400950724E+22
Surface area
5.0811083893956E+15
Circumference
126343867.23628
Perimeter
80433004
Area
404341758279001
Diagonal
28437361.279802
Surface area
2426050549674006
Volume
8.1306055652555E+21
Space diagonal
34828512.383348
Perimeter
60324753
Area
1.7508511724024E+14
Altitude
17414256.191674
Surface area
1.7508511724024E+14
Volume
9.5820105505754E+20
Height
9479120.4266008