20122815 is an odd 8-digits composite number following 20122814
and preceding 20122816 . In scientific notation, it is written as 2.0122815 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 9326592 positive integers (up to 20122815) that are relatively prime to 20122815.
20122815 has 32 divisors, whose sum is 24551424
The reverse of 20122815 is 51822102
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred twenty-two thousand eight hundred fifteen
Scientific notation
2.0122815 × 10^7
Engineering notation
2.0122815 × 10^6
Prime Factorization
15 × 17 × 47 × 23 × 73
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20122815
Product of the distinct prime numbers
The prime factorization of 20122815 is 15 × 17 × 47 × 23 × 73.
Since it has a total of 5 prime factors.
6 , 9 , 34 , 49 , 341 , 687 , 4316 , 2043 , 79726 , 79126 , 593405 , 365752 , 4583016 , 8622658 , 3632321 , 89281302 , 941938714 , 164940250 , 10039771 , 5475004682
n×2
40245630
n×3
60368445
n×4
80491260
n×5
100614075
n÷2
10061407.5
n÷3
6707605
n÷3
5030703.75
n÷5
4024563
n2
404927683524225
n3
8.1482848639365E+21
n4
1.6396642888429E+29
n5
3.2994661146493E+36
2 √n
4485.8460740422
3 √n
271.99624688449
4 √n
66.976459103496
5 √n
28.889348431274
1 , 15 , 17 , 23 , 47 , 73 , 255 , 345 , 391 , 705 , 799 , 1081 , 1095 , 1241 , 1679 , 3431 , 5865 , 11985 , 16215 , 18377 , 18615 , 25185 , 28543 , 51465 , 58327 , 78913 , 275655 , 428145 , 874905 , 1183695 , 1341521 , 20122815
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20122814
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20122815 can be divided by 32 positive divisors.
The sum of these divisors (counting 20122815) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110000110010111111
3
Ternary
1101212100022110
4
Quaternary
1030300302333
5
Quinary
20122412230
6
Senary
1555145103
8
Octal
114606277
10
Decimal
20122815
12
Duodecimal
68a5193
16
Hexadecimal
1330cbf
20
Vigesimal
65f70f
36
Base36
bzav3
md5
4d1572fc70230e6b04561fdbbcf6ed66
sha1
869ec794293ed66e0a56bb6f468a1ef3f93588c6
sha256
de38d637a293398ccb4bd6ea38740fc1877d07c4cd1ea4081da742afcba48923
sha512
5a395ed6c63814628c9037487ff676334c22230e3a89b01cd583b417006cb7c1215e19ecd61d18c01935705babf19f4027caceeb1ccde8f09788f0101110581a
ripemd-160
5ea6e3b0b30ab3d6a1f6ba6fef48cf7a3e51e390
Diameter
40245630
Circumference
126435375.54709
Area
1.2721178357948E+15
Volume
3.4131455823867E+22
Surface area
5.0884713431794E+15
Circumference
126435375.54709
Perimeter
80491260
Area
404927683524225
Diagonal
28457957.886125
Surface area
2429566101145350
Volume
8.1482848639365E+21
Space diagonal
34853737.971309
Perimeter
60368445
Area
1.7533883031378E+14
Altitude
17426868.985655
Surface area
1.7533883031378E+14
Volume
9.602845803882E+20
Height
9485985.9620416