20105720 is an even 8-digits composite number following 20105719
and preceding 20105721 . In scientific notation, it is written as 2.0105720 × 10^7.
The sum of its digits is 17. It has a total of 5 prime factors and 16 positive divisors.
There are 8042272 positive integers (up to 20105720) that are relatively prime to 20105720.
20105720 has 16 divisors, whose sum is 45237960
The reverse of 20105720 is 02750102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred five thousand seven hundred twenty
Scientific notation
2.0105720 × 10^7
Engineering notation
2.0105720 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 502643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5026430
Product of the distinct prime numbers
The prime factorization of 20105720 is 2 × 2 × 2 × 5 × 502643.
Since it has a total of 5 prime factors.
7 , 2 , 79 , 42 , 626 , 89 , 6151 , 6162 , 90088 , 6847 , 274147 , 858275 , 5786977 , 4036644 , 56917193 , 27883916 , 278604402 , 697457811 , 2982354436 , 3268057521
n×2
40211440
n×3
60317160
n×4
80422880
n×5
100528600
n÷2
10052860
n÷3
6701906.6666667
n÷3
5026430
n÷5
4021144
n2
404239976718400
n3
8.1275357847067E+21
n4
1.6340995877729E+29
n5
3.2854748763878E+36
2 √n
4483.9402315374
3 √n
271.91920177963
4 √n
66.962229887732
5 √n
28.884438270162
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 502643 , 1005286 , 2010572 , 2513215 , 4021144 , 5026430 , 10052860 , 20105720
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
-20105719
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 20105720 can be divided by 16 positive divisors.
The sum of these divisors (counting 20105720) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101100100111111000
3
Ternary
1101211110212022
4
Quaternary
1030230213320
5
Quinary
20121340340
6
Senary
1554534012
8
Octal
114544770
10
Decimal
20105720
12
Duodecimal
6897308
16
Hexadecimal
132c9f8
20
Vigesimal
65d460
36
Base36
byxo8
md5
c5a1587b8a275768b9b64e39ab893939
sha1
13385c474186cf3e43d3d616b770ca4ccf11518d
sha256
944464899b4cc77ffd7132f0bb84695ee48ef25f6cfe91639b5eae5b647177f1
sha512
7d8a544a9e52a706df920e462c6c7820bc24af8db0520fb47f0c2801864581284a15229e2e4edeac9100d22e614268e14ce2a9037dbd456daa71d0b368b62756
ripemd-160
45a7d21fee10f168346f0f5dcb81752d1b357555
Diameter
40211440
Circumference
126327964.49427
Area
1.2699573411458E+15
Volume
3.404454228403E+22
Surface area
5.0798293645833E+15
Circumference
126327964.49427
Perimeter
80422880
Area
404239976718400
Diagonal
28433781.905276
Surface area
2425439860310400
Volume
8.1275357847067E+21
Space diagonal
34824128.562754
Perimeter
60317160
Area
1.7504104453168E+14
Altitude
17412064.281377
Surface area
1.7504104453168E+14
Volume
9.578392779504E+20
Height
9477927.3017587