21132642 is an even 8-digits composite number following 21132641
and preceding 21132643 . In scientific notation, it is written as 2.1132642 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 7003152 positive integers (up to 21132642) that are relatively prime to 21132642.
21132642 has 16 divisors, whose sum is 42511680
The reverse of 21132642 is 24623112
Previous prime number is 173
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million one hundred thirty-two thousand six hundred forty-two
Scientific notation
2.1132642 × 10^7
Engineering notation
2.1132642 × 10^6
Prime Factorization
2 × 3 × 173 × 20359
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21132642
Product of the distinct prime numbers
The prime factorization of 21132642 is 2 × 3 × 173 × 20359.
Since it has a total of 4 prime factors.
10 , 4 , 24 , 5 , 625 , 782 , 8206 , 9115 , 31797 , 75094 , 611322 , 168920 , 2937966 , 3918609 , 60055308 , 58090763 , 567115264 , 37501028 , 3826973184 , 7210719593
n×2
42265284
n×3
63397926
n×4
84530568
n×5
105663210
n÷2
10566321
n÷3
7044214
n÷3
5283160.5
n÷5
4226528.4
n2
446588557900164
n3
9.4375961154004E+21
n4
1.9944134004735E+29
n5
4.2147224392209E+36
2 √n
4597.0253425449
3 √n
276.47207070633
4 √n
67.80136681915
5 √n
29.173649382851
1 , 2 , 3 , 6 , 173 , 346 , 519 , 1038 , 20359 , 40718 , 61077 , 122154 , 3522107 , 7044214 , 10566321 , 21132642
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21132641
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21132642 can be divided by 16 positive divisors.
The sum of these divisors (counting 21132642) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100111010101100010
3
Ternary
1110202122112110
4
Quaternary
1100213111202
5
Quinary
20402221032
6
Senary
2032540150
8
Octal
120472542
10
Decimal
21132642
12
Duodecimal
70b1656
16
Hexadecimal
1427562
20
Vigesimal
6c1bc2
36
Base36
cky1u
md5
7caf12c7e2833ae4a294ff1ac353d550
sha1
239265b4a91e0f569a693c3be05d6826c62d67be
sha256
1ff9630cd79af1da7747407bc5b26b97aba1f5cff732c1757b3cdb11b141e91c
sha512
1dc9a76b72d44eb82f3d20c837e0de8aac3b137e2d22998db0b756d070f6c81214ff7cab05da2a1b6f7b3663b694403af07f92184e1940540dc4c70bb48b2a1e
ripemd-160
ca225efa9d6002b77bf06c95af7715270df10ddd
Diameter
42265284
Circumference
132780305.71629
Area
1.4029993326764E+15
Volume
3.9532110164919E+22
Surface area
5.6119973307057E+15
Circumference
132780305.71629
Perimeter
84530568
Area
446588557900164
Diagonal
29886068.925175
Surface area
2679531347400984
Volume
9.4375961154004E+21
Space diagonal
36602809.642164
Perimeter
63397926
Area
1.933785180905E+14
Altitude
18301404.821082
Surface area
1.933785180905E+14
Volume
1.1122313685499E+21
Height
9962022.9750584