21542672 is an even 8-digits composite number following 21542671
and preceding 21542673 . In scientific notation, it is written as 2.1542672 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors.
There are 10137600 positive integers (up to 21542672) that are relatively prime to 21542672.
21542672 has 20 divisors, whose sum is 44194716
The reverse of 21542672 is 27624512
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million five hundred forty-two thousand six hundred seventy-two
Scientific notation
2.1542672 × 10^7
Engineering notation
2.1542672 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 17 × 79201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2692834
Product of the distinct prime numbers
The prime factorization of 21542672 is 2 × 2 × 2 × 2 × 17 × 79201.
Since it has a total of 6 prime factors.
4 , 2 , 94 , 42 , 154 , 863 , 4642 , 8920 , 18394 , 98024 , 825234 , 606075 , 3598752 , 9228346 , 63922824 , 12048864 , 863378157 , 438335718 , 2070653943 , 7823044116
n×2
43085344
n×3
64628016
n×4
86170688
n×5
107713360
n÷2
10771336
n÷3
7180890.6666667
n÷3
5385668
n÷5
4308534.4
n2
464086716899584
n3
9.9976679217246E+21
n4
2.1537648080263E+29
n5
4.6397848824455E+36
2 √n
4641.4084069386
3 √n
278.24872931069
4 √n
68.127882742227
5 √n
29.285990274801
1 , 2 , 4 , 8 , 16 , 17 , 34 , 68 , 136 , 272 , 79201 , 158402 , 316804 , 633608 , 1267216 , 1346417 , 2692834 , 5385668 , 10771336 , 21542672
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21542671
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21542672 can be divided by 20 positive divisors.
The sum of these divisors (counting 21542672) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010010001011011100010000
3
Ternary
1111112110222202
4
Quaternary
1102023130100
5
Quinary
21003331142
6
Senary
2045422332
8
Octal
122133420
10
Decimal
21542672
12
Duodecimal
726a9a8
16
Hexadecimal
148b710
20
Vigesimal
6ecgdc
36
Base36
ctqfk
md5
ae23880a26e0a7465a2edd0f6e7b6b29
sha1
8d4642dce98837355fbe14a9a6c0c00f00d76a4c
sha256
f7d5ba9188473583559f1128582cdc906c9b03409a70d9ffda5146942c71b707
sha512
f20a8ae5d789675ddddaa52cf5a2e1759d8f9a5d9844c22c494001d17e0fa7f1b0290c2c97a6984ea0bb55dea59306a1e893be7d331ae0a231ae9c6d722692fb
ripemd-160
615db430eb63a357bb5310309455138d2c1bb40a
Diameter
43085344
Circumference
135356600.18779
Area
1.4579714204403E+15
Volume
4.1878133461227E+22
Surface area
5.8318856817614E+15
Circumference
135356600.18779
Perimeter
86170688
Area
464086716899584
Diagonal
30465938.912155
Surface area
2784520301397504
Volume
9.9976679217246E+21
Space diagonal
37313002.434791
Perimeter
64628016
Area
2.0095544319698E+14
Altitude
18656501.217396
Surface area
2.0095544319698E+14
Volume
1.1782364639171E+21
Height
10155312.970718