21568672 is an even 8-digits composite number following 21568671
and preceding 21568673 . In scientific notation, it is written as 2.1568672 × 10^7.
The sum of its digits is 37. It has a total of 7 prime factors and 24 positive divisors.
There are 10752000 positive integers (up to 21568672) that are relatively prime to 21568672.
21568672 has 24 divisors, whose sum is 42590772
The reverse of 21568672 is 27686512
Previous prime number is 421
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million five hundred sixty-eight thousand six hundred seventy-two
Scientific notation
2.1568672 × 10^7
Engineering notation
2.1568672 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 421 × 1601
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1348042
Product of the distinct prime numbers
The prime factorization of 21568672 is 2 × 2 × 2 × 2 × 2 × 421 × 1601.
Since it has a total of 7 prime factors.
7 , 8 , 20 , 88 , 320 , 16 , 1366 , 2459 , 1210 , 58322 , 191021 , 71505 , 5338443 , 4037465 , 42366760 , 11520732 , 372566747 , 655776184 , 8748848126 , 9186055462
n×2
43137344
n×3
64706016
n×4
86274688
n×5
107843360
n÷2
10784336
n÷3
7189557.3333333
n÷3
5392168
n÷5
4313734.4
n2
465207611843584
n3
1.0033910391758E+22
n4
2.1641812211721E+29
n5
4.6678514908021E+36
2 √n
4644.2084363215
3 √n
278.36062441311
4 √n
68.148429448679
5 √n
29.293055957464
1 , 2 , 4 , 8 , 16 , 32 , 421 , 842 , 1601 , 1684 , 3202 , 3368 , 6404 , 6736 , 12808 , 13472 , 25616 , 51232 , 674021 , 1348042 , 2696084 , 5392168 , 10784336 , 21568672
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21568671
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21568672 can be divided by 24 positive divisors.
The sum of these divisors (counting 21568672) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010010001110010100000
3
Ternary
1111120210122201
4
Quaternary
1102101302200
5
Quinary
21010144142
6
Senary
2050142544
8
Octal
122216240
10
Decimal
21568672
12
Duodecimal
7281a54
16
Hexadecimal
1491ca0
20
Vigesimal
6eg1dc
36
Base36
cuahs
md5
37578c6c76c1b1f026d00e79041e0c59
sha1
a96b002292b909cffead5cd5821bc6874a0c9965
sha256
754319799006240709d3311e28fd24b36fd02d411ef5afddc9f03f2ef57df35e
sha512
b124953f327b507bb8a644e3adf78b9edecf2c471c7dff08d64dae4b9f284816a488e06a3e0339a73cd73eef92af7bfb57125d76c644fe1d80731b26f8ed0851
ripemd-160
43db90bbb6a2690b4bff1bd6e34489541cf30fd4
Diameter
43137344
Circumference
135519963.00578
Area
1.4614928157619E+15
Volume
4.2029945564699E+22
Surface area
5.8459712630474E+15
Circumference
135519963.00578
Perimeter
86274688
Area
465207611843584
Diagonal
30502708.464777
Surface area
2791245671061504
Volume
1.0033910391758E+22
Space diagonal
37358035.755788
Perimeter
64706016
Area
2.0144080494522E+14
Altitude
18679017.877894
Surface area
2.0144080494522E+14
Volume
1.1825076799717E+21
Height
10167569.488259