20123215 is an odd 8-digits composite number following 20123214
and preceding 20123216 . In scientific notation, it is written as 2.0123215 × 10^7.
The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors.
There are 13798752 positive integers (up to 20123215) that are relatively prime to 20123215.
20123215 has 8 divisors, whose sum is 27597600
The reverse of 20123215 is 51232102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million one hundred twenty-three thousand two hundred fifteen
Scientific notation
2.0123215 × 10^7
Engineering notation
2.0123215 × 10^6
Prime Factorization
5 × 7 × 574949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20123215
Product of the distinct prime numbers
The prime factorization of 20123215 is 5 × 7 × 574949.
Since it has a total of 3 prime factors.
10 , 5 , 3 , 39 , 228 , 103 , 3914 , 5544 , 26499 , 89136 , 625388 , 141815 , 7227878 , 1512005 , 64926162 , 73611814 , 776534216 , 81839050 , 1037439663 , 9701419616
n×2
40246430
n×3
60369645
n×4
80492860
n×5
100616075
n÷2
10061607.5
n÷3
6707738.3333333
n÷3
5030803.75
n÷5
4024643
n2
404943781936225
n3
8.1487707868158E+21
n4
1.6397946652881E+29
n5
3.2997940605446E+36
2 √n
4485.890658498
3 √n
271.99804911375
4 √n
66.976791939433
5 √n
28.889463282477
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20123214
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20123215 can be divided by 8 positive divisors.
The sum of these divisors (counting 20123215) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000111001001111
3
Ternary
1101212100212021
4
Quaternary
1030300321033
5
Quinary
20122420330
6
Senary
1555151011
8
Octal
114607117
10
Decimal
20123215
12
Duodecimal
68a5467
16
Hexadecimal
1330e4f
20
Vigesimal
65f80f
36
Base36
bzb67
md5
1ebe790874fa4ad89cfe812c12a9429f
sha1
c4e00d505c3461fc0945cb3140622546ff736dce
sha256
45576b66de9c31f4d5177cf293183c91be7c75b7b19aa2bd67b430b5ec1cdb9d
sha512
6bd408f369259713c0fc942988875bd76c73c25b521637e9fa50fcf68818a8d182b952e8a23b4d90d2092c2b8c63f092c7af2a3f226a00ff59eefca3b1099098
ripemd-160
27424ba76c52de8e85c81297229ea6147015376e
Diameter
40246430
Circumference
126437888.82122
Area
1.2721684104477E+15
Volume
3.4133491252863E+22
Surface area
5.0886736417908E+15
Circumference
126437888.82122
Perimeter
80492860
Area
404943781936225
Diagonal
28458523.57155
Surface area
2429662691617350
Volume
8.1487707868158E+21
Space diagonal
34854430.791632
Perimeter
60369645
Area
1.7534580113066E+14
Altitude
17427215.395816
Surface area
1.7534580113066E+14
Volume
9.6034184694871E+20
Height
9486174.5238499