21542746 is an even 8-digits composite number following 21542745
and preceding 21542747 . In scientific notation, it is written as 2.1542746 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 10771372 positive integers (up to 21542746) that are relatively prime to 21542746.
21542746 has 4 divisors, whose sum is 32314122
The reverse of 21542746 is 64724512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million five hundred forty-two thousand seven hundred forty-six
Scientific notation
2.1542746 × 10^7
Engineering notation
2.1542746 × 10^6
Prime Factorization
2 × 10771373
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21542746
Product of the distinct prime numbers
The prime factorization of 21542746 is 2 × 10771373.
Since it has a total of 2 prime factors.
6 , 8 , 87 , 44 , 278 , 613 , 6094 , 6150 , 79174 , 3246 , 32290 , 347844 , 3807733 , 3235377 , 53974092 , 24266970 , 975555581 , 399396736 , 8306553376 , 4220274841
n×2
43085492
n×3
64628238
n×4
86170984
n×5
107713730
n÷2
10771373
n÷3
7180915.3333333
n÷3
5385686.5
n÷5
4308549.2
n2
464089905220516
n3
9.9977709493297E+21
n4
2.1537944012759E+29
n5
4.6398645722908E+36
2 √n
4641.4163786499
3 √n
278.24904790909
4 √n
68.127941247699
5 √n
29.286010394499
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21542745
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21542746 can be divided by 4 positive divisors.
The sum of these divisors (counting 21542746) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001011011101011010
3
Ternary
1111112111002111
4
Quaternary
1102023131122
5
Quinary
21003331441
6
Senary
2045422534
8
Octal
122133532
10
Decimal
21542746
12
Duodecimal
726aa4a
16
Hexadecimal
148b75a
20
Vigesimal
6ecgh6
36
Base36
ctqhm
md5
9953f65a9d3bc272789b6e6c427598b1
sha1
56b810a030ad725ba5875232a9ee0503ff54c5c6
sha256
5322b637a0a4d15f8e7953bec2d164b5c4f7eb5f49f147b3f8a52069652977f9
sha512
717dbdf76b9e5ba37eab435e02e40dd0e960a2cfac45eb9471ae6139e59908988563669b4709df3009beb065fe179f7597c2bc3925373b60aea1bd5be2ab7627
ripemd-160
1343f38fe28ec88b0303b4d029716657850a6db2
Diameter
43085492
Circumference
135357065.1435
Area
1.457981436846E+15
Volume
4.187856502225E+22
Surface area
5.8319257473838E+15
Circumference
135357065.1435
Perimeter
86170984
Area
464089905220516
Diagonal
30466043.563959
Surface area
2784539431323096
Volume
9.9977709493297E+21
Space diagonal
37313130.606551
Perimeter
64628238
Area
2.0095682378044E+14
Altitude
18656565.303276
Surface area
2.0095682378044E+14
Volume
1.1782486058368E+21
Height
10155347.854653