21541912 is an even 8-digits composite number following 21541911
and preceding 21541913 . In scientific notation, it is written as 2.1541912 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors.
There are 9195264 positive integers (up to 21541912) that are relatively prime to 21541912.
21541912 has 32 divisors, whose sum is 46346400
The reverse of 21541912 is 21914512
Previous prime number is 313
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million five hundred forty-one thousand nine hundred twelve
Scientific notation
2.1541912 × 10^7
Engineering notation
2.1541912 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 313 × 1229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5385478
Product of the distinct prime numbers
The prime factorization of 21541912 is 2 × 2 × 2 × 7 × 313 × 1229.
Since it has a total of 6 prime factors.
8 , 2 , 87 , 42 , 550 , 121 , 4729 , 3235 , 43309 , 28349 , 538003 , 895747 , 7207131 , 6112470 , 99379212 , 37814852 , 505919032 , 583652445 , 3967170190 , 776014049
n×2
43083824
n×3
64625736
n×4
86167648
n×5
107709560
n÷2
10770956
n÷3
7180637.3333333
n÷3
5385478
n÷5
4308382.4
n2
464053972615744
n3
9.9966098413388E+21
n4
2.1534608950045E+29
n5
4.6389665095629E+36
2 √n
4641.3265345158
3 √n
278.24545717681
4 √n
68.127281866487
5 √n
29.285783636862
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 313 , 626 , 1229 , 1252 , 2191 , 2458 , 2504 , 4382 , 4916 , 8603 , 8764 , 9832 , 17206 , 17528 , 34412 , 68824 , 384677 , 769354 , 1538708 , 2692739 , 3077416 , 5385478 , 10770956 , 21541912
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
-21541911
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 21541912 can be divided by 32 positive divisors.
The sum of these divisors (counting 21541912) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010001011010000011000
3
Ternary
1111112102221121
4
Quaternary
1102023100120
5
Quinary
21003320122
6
Senary
2045415024
8
Octal
122132030
10
Decimal
21541912
12
Duodecimal
726a474
16
Hexadecimal
148b418
20
Vigesimal
6ecefc
36
Base36
ctpug
md5
3994fa602076b19fdf2087dacb111346
sha1
94a2ac8287c0f65d7282c4c97c4fae20c801d07d
sha256
1f205cc2822a2b8879379f8c8e0a5a0ed3268b86b7f038379ecdb466d253465a
sha512
4287a7dfc96f3311f9fe1b50933f97f86b6255ad7bce6d8b88da3b0f4f5324282053c73a667594f52de036a94739191e70b1ceef51fcbb66ca6ba166d07930ab
ripemd-160
76dc3f09a8fbac7d38cfd97b6c501fa4c319c7cc
Diameter
43083824
Circumference
135351824.96696
Area
1.4578685512388E+15
Volume
4.1873701384471E+22
Surface area
5.8314742049551E+15
Circumference
135351824.96696
Perimeter
86167648
Area
464053972615744
Diagonal
30464864.109848
Surface area
2784323835694464
Volume
9.9966098413388E+21
Space diagonal
37311686.076178
Perimeter
64625736
Area
2.0094126450616E+14
Altitude
18655843.038089
Surface area
2.0094126450616E+14
Volume
1.1781117679478E+21
Height
10154954.703283