20115920 is an even 8-digits composite number following 20115919
and preceding 20115921 . In scientific notation, it is written as 2.0115920 × 10^7.
The sum of its digits is 20. It has a total of 6 prime factors and 20 positive divisors.
There are 7314560 positive integers (up to 20115920) that are relatively prime to 20115920.
20115920 has 20 divisors, whose sum is 39684960
The reverse of 20115920 is 02951102
Previous prime number is 55
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred fifteen thousand nine hundred twenty
Scientific notation
2.0115920 × 10^7
Engineering notation
2.0115920 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 55 × 22859
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2514490
Product of the distinct prime numbers
The prime factorization of 20115920 is 2 × 2 × 2 × 2 × 55 × 22859.
Since it has a total of 6 prime factors.
2 , 7 , 39 , 57 , 503 , 49 , 9493 , 3121 , 50780 , 87502 , 451718 , 344952 , 595453 , 1549078 , 7672336 , 33656269 , 725525299 , 958495496 , 9503304295 , 6670808111
n×2
40231840
n×3
60347760
n×4
80463680
n×5
100579600
n÷2
10057960
n÷3
6705306.6666667
n÷3
5028980
n÷5
4023184
n2
404650237446400
n3
8.1399118044528E+21
n4
1.6374181466543E+29
n5
3.2938172444646E+36
2 √n
4485.0774798213
3 √n
271.9651772029
4 √n
66.970721063919
5 √n
28.887368396533
1 , 2 , 4 , 8 , 16 , 55 , 110 , 220 , 440 , 880 , 22859 , 45718 , 91436 , 182872 , 365744 , 1257245 , 2514490 , 5028980 , 10057960 , 20115920
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20115919
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20115920 can be divided by 20 positive divisors.
The sum of these divisors (counting 20115920) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100101111000111010000
3
Ternary
1101211222212002
4
Quaternary
1030233013100
5
Quinary
20122202140
6
Senary
1555053132
8
Octal
114570720
10
Decimal
20115920
12
Duodecimal
68a11a8
16
Hexadecimal
132f1d0
20
Vigesimal
65e9g0
36
Base36
bz5jk
md5
16be146e47125c07696b21f04c0bc01e
sha1
7a6d7e7dac0a517ecdb301ec84cde9a2e8bfceb1
sha256
7a8a7bca2b60a4a338e3d784808ac357ed3a37cb0966cb6f6f8bffcaa629486b
sha512
3bfa33997b9c1ddda204ca5140776e565e9a0b7b7278468c9c777e5209ceaedf16dd24a3cea80d5a73f007a8df5439a9a3e80316d06069a7296c2fed2ef2aa4b
ripemd-160
60f5d9c412f56221e329a63585c720064c232b12
Diameter
40231840
Circumference
126392052.9844
Area
1.271246213235E+15
Volume
3.4096382834317E+22
Surface area
5.0849848529399E+15
Circumference
126392052.9844
Perimeter
80463680
Area
404650237446400
Diagonal
28448206.883612
Surface area
2427901424678400
Volume
8.1399118044528E+21
Space diagonal
34841795.480991
Perimeter
60347760
Area
1.7521869263799E+14
Altitude
17420897.740495
Surface area
1.7521869263799E+14
Volume
9.5929780586483E+20
Height
9482735.6278707