20115812 is an even 8-digits composite number following 20115811
and preceding 20115813 . In scientific notation, it is written as 2.0115812 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors.
There are 9690912 positive integers (up to 20115812) that are relatively prime to 20115812.
20115812 has 24 divisors, whose sum is 36511104
The reverse of 20115812 is 21851102
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred fifteen thousand eight hundred twelve
Scientific notation
2.0115812 × 10^7
Engineering notation
2.0115812 × 10^6
Prime Factorization
2 × 2 × 67 × 47 × 1597
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10057906
Product of the distinct prime numbers
The prime factorization of 20115812 is 2 × 2 × 67 × 47 × 1597.
Since it has a total of 5 prime factors.
7 , 3 , 50 , 7 , 909 , 363 , 5602 , 5285 , 71821 , 54102 , 494097 , 823806 , 4385005 , 7771080 , 74266644 , 16304610 , 786638355 , 73450044 , 582381640 , 5347322298
n×2
40231624
n×3
60347436
n×4
80463248
n×5
100579060
n÷2
10057906
n÷3
6705270.6666667
n÷3
5028953
n÷5
4023162.4
n2
404645892419344
n3
8.1397806984797E+21
n4
1.6373829825185E+29
n5
3.2937288248341E+36
2 √n
4485.0654398793
3 √n
271.96469048572
4 √n
66.970631174264
5 √n
28.887337377892
1 , 2 , 4 , 47 , 67 , 94 , 134 , 188 , 268 , 1597 , 3149 , 3194 , 6298 , 6388 , 12596 , 75059 , 106999 , 150118 , 213998 , 300236 , 427996 , 5028953 , 10057906 , 20115812
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20115811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20115812 can be divided by 24 positive divisors.
The sum of these divisors (counting 20115812) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100101111000101100100
3
Ternary
1101211222201002
4
Quaternary
1030233011210
5
Quinary
20122201222
6
Senary
1555052432
8
Octal
114570544
10
Decimal
20115812
12
Duodecimal
68a1118
16
Hexadecimal
132f164
20
Vigesimal
65e9ac
36
Base36
bz5gk
md5
2a3f0c5bc91aec9f7d6cc287a562abb1
sha1
6d628a1646778334f4773ec24ac8f8599937d6c8
sha256
53b2ddfa1c94902ecedd2be8320d7b22ab89104d52eaded0f5e6d243c328ef61
sha512
c74c6349a3bbc6a9ed6874b8b96ec52b531d908dd6eabfefecca15f1deeb3753e87d10b5bef8a2b6ad0bd72cbcb9606844b10e75993699598d15a5f219be36e4
ripemd-160
7830d60530957021512e0c836b3c48454ded0ab6
Diameter
40231624
Circumference
126391374.40039
Area
1.2712325629299E+15
Volume
3.4095833658901E+22
Surface area
5.0849302517196E+15
Circumference
126391374.40039
Perimeter
80463248
Area
404645892419344
Diagonal
28448054.148547
Surface area
2427875354516064
Volume
8.1397806984797E+21
Space diagonal
34841608.419504
Perimeter
60347436
Area
1.7521681118609E+14
Altitude
17420804.209752
Surface area
1.7521681118609E+14
Volume
9.5928235487773E+20
Height
9482684.7161825