20101521 is an odd 8-digits composite number following 20101520
and preceding 20101522 . In scientific notation, it is written as 2.0101521 × 10^7.
The sum of its digits is 12. It has a total of 5 prime factors and 32 positive divisors.
There are 11676800 positive integers (up to 20101521) that are relatively prime to 20101521.
20101521 has 32 divisors, whose sum is 30481920
The reverse of 20101521 is 12510102
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty million one hundred one thousand five hundred twenty-one
Scientific notation
2.0101521 × 10^7
Engineering notation
2.0101521 × 10^6
Prime Factorization
3 × 179 × 11 × 83 × 41
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20101521
Product of the distinct prime numbers
The prime factorization of 20101521 is 3 × 179 × 11 × 83 × 41.
Since it has a total of 5 prime factors.
8 , 8 , 31 , 39 , 39 , 497 , 8830 , 3189 , 88042 , 43053 , 759112 , 317979 , 3752576 , 5421360 , 79646986 , 72303588 , 641327092 , 443469855 , 5515252942 , 4717301688
n×2
40203042
n×3
60304563
n×4
80406084
n×5
100507605
n÷2
10050760.5
n÷3
6700507
n÷3
5025380.25
n÷5
4020304.2
n2
404071146513441
n3
8.122444637134E+21
n4
1.6327349144469E+29
n5
3.2820455170187E+36
2 √n
4483.471980508
3 √n
271.90027071219
4 √n
66.958733414753
5 √n
28.883231689253
1 , 3 , 11 , 33 , 41 , 83 , 123 , 179 , 249 , 451 , 537 , 913 , 1353 , 1969 , 2739 , 3403 , 5907 , 7339 , 10209 , 14857 , 22017 , 37433 , 44571 , 80729 , 112299 , 163427 , 242187 , 490281 , 609137 , 1827411 , 6700507 , 20101521
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
-20101520
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 20101521 can be divided by 32 positive divisors.
The sum of these divisors (counting 20101521) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100101011100110010001
3
Ternary
1101211021002210
4
Quaternary
1030223212101
5
Quinary
20121222041
6
Senary
1554502333
8
Octal
114534621
10
Decimal
20101521
12
Duodecimal
68949a9
16
Hexadecimal
132b991
20
Vigesimal
65cdg1
36
Base36
byufl
md5
dfa45035d8744a0abb10ee9e4d51aea5
sha1
9bce76f01c63533a5eff3d0afe6c09c882c71ed1
sha256
c35455c14ccb4eff766bdfa20c79a06e6409191b38780d302455e8db81d2f94b
sha512
c6d3ea132fb0e01726858aac578564f70a37c4a12d1878ced33426f0593f2ea94534628c371dee813406cc3cf48929693bb0aa02c7ce765e5f3eb0b06e6033ef
ripemd-160
ab4d5e02d28350c8cf64d6e38fbbda554d8349ea
Diameter
40203042
Circumference
126301581.39916
Area
1.2694269454142E+15
Volume
3.4023216534947E+22
Surface area
5.0777077816569E+15
Circumference
126301581.39916
Perimeter
80406084
Area
404071146513441
Diagonal
28427843.622528
Surface area
2424426879080646
Volume
8.122444637134E+21
Space diagonal
34816855.681413
Perimeter
60304563
Area
1.7496793890847E+14
Altitude
17408427.840706
Surface area
1.7496793890847E+14
Volume
9.5723928045496E+20
Height
9475947.8741759