21132561 is an odd 8-digits composite number following 21132560
and preceding 21132562 . In scientific notation, it is written as 2.1132561 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 12719168 positive integers (up to 21132561) that are relatively prime to 21132561.
21132561 has 32 divisors, whose sum is 31104000
The reverse of 21132561 is 16523112
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million one hundred thirty-two thousand five hundred sixty-one
Scientific notation
2.1132561 × 10^7
Engineering notation
2.1132561 × 10^6
Prime Factorization
3 × 29 × 59 × 23 × 179
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21132561
Product of the distinct prime numbers
The prime factorization of 21132561 is 3 × 29 × 59 × 23 × 179.
Since it has a total of 5 prime factors.
7 , 1 , 19 , 64 , 94 , 993 , 382 , 8167 , 44754 , 19833 , 228351 , 170329 , 3330325 , 6309792 , 45979860 , 57759161 , 867670435 , 195453437 , 9988500374 , 7037569125
n×2
42265122
n×3
63397683
n×4
84530244
n×5
105662805
n÷2
10566280.5
n÷3
7044187
n÷3
5283140.25
n÷5
4226512.2
n2
446585134418721
n3
9.4374875947968E+21
n4
1.9943828228379E+29
n5
4.2146416660973E+36
2 √n
4597.0165324915
3 √n
276.47171747291
4 √n
67.801301849533
5 √n
29.173627018688
1 , 3 , 23 , 29 , 59 , 69 , 87 , 177 , 179 , 537 , 667 , 1357 , 1711 , 2001 , 4071 , 4117 , 5133 , 5191 , 10561 , 12351 , 15573 , 31683 , 39353 , 118059 , 119393 , 242903 , 306269 , 358179 , 728709 , 918807 , 7044187 , 21132561
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
-21132560
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 21132561 can be divided by 32 positive divisors.
The sum of these divisors (counting 21132561) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000100111010100010001
3
Ternary
1110202122102110
4
Quaternary
1100213110101
5
Quinary
20402220221
6
Senary
2032535533
8
Octal
120472421
10
Decimal
21132561
12
Duodecimal
70b15a9
16
Hexadecimal
1427511
20
Vigesimal
6c1b81
36
Base36
ckxzl
md5
08c4af2b0b193f13fbc9ecdbb1773627
sha1
ca38cd8a4f61fa16b2332a29fcdebd48fe7aa8ad
sha256
530a46ec706672a190c066d94082f26f6ed742198e4fac32e306374e30060fd5
sha512
e616d743d5198e96be59a706f2ca91035b66831dd549d5d8e70b032bcd682e0f60b7878226f31266563b0200ec1e7df4f255ffd2c5f920373cb78159d7f5a2f4
ripemd-160
1620b11b021ae095e3d8f643cdd86225c83bd9f9
Diameter
42265122
Circumference
132779796.77828
Area
1.4029885774923E+15
Volume
3.9531655594878E+22
Surface area
5.6119543099691E+15
Circumference
132779796.77828
Perimeter
84530244
Area
446585134418721
Diagonal
29885954.373877
Surface area
2679510806512326
Volume
9.4374875947968E+21
Space diagonal
36602669.346049
Perimeter
63397683
Area
1.9337703567955E+14
Altitude
18301334.673024
Surface area
1.9337703567955E+14
Volume
1.1122185792741E+21
Height
9961984.7912922