21676687 is an odd 8-digits composite number following 21676686
and preceding 21676688 . In scientific notation, it is written as 2.1676687 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 20950272 positive integers (up to 21676687) that are relatively prime to 21676687.
21676687 has 8 divisors, whose sum is 22413776
The reverse of 21676687 is 78667612
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million six hundred seventy-six thousand six hundred eighty-seven
Scientific notation
2.1676687 × 10^7
Engineering notation
2.1676687 × 10^6
Prime Factorization
97 × 43 × 5197
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21676687
Product of the distinct prime numbers
The prime factorization of 21676687 is 97 × 43 × 5197.
Since it has a total of 3 prime factors.
10 , 7 , 21 , 33 , 132 , 116 , 5218 , 4121 , 63561 , 91156 , 759046 , 678393 , 2442097 , 5249397 , 67701281 , 71121014 , 318216019 , 352529051 , 8342515286 , 338203843
n×2
43353374
n×3
65030061
n×4
86706748
n×5
108383435
n÷2
10838343.5
n÷3
7225562.3333333
n÷3
5419171.75
n÷5
4335337.4
n2
469878759295969
n3
1.0185414793207E+22
n4
2.2078604843752E+29
n5
4.7859100659469E+36
2 √n
4655.822913299
3 √n
278.8245236338
4 √n
68.233590798807
5 √n
29.322337038535
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21676686
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21676687 can be divided by 8 positive divisors.
The sum of these divisors (counting 21676687) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101100001010001111
3
Ternary
1111210021211021
4
Quaternary
1102230022033
5
Quinary
21022123222
6
Senary
2052335011
8
Octal
122541217
10
Decimal
21676687
12
Duodecimal
7314467
16
Hexadecimal
14ac28f
20
Vigesimal
6f9be7
36
Base36
cwlu7
md5
d1081726390c2bb2ca7c01e875b9f9a3
sha1
8e8cc63827264a0f1fcaf89cccb566cb00d80c94
sha256
d4e6b12e1997adc8909e0b0af854231a4cb53b97d25ac91e5215e32036f692ba
sha512
e6cae068b34a69532270c1b51eeebe2b5176865505a6cb55bcf7ca8be1bf0a21eaabcf1a04f35bd4fb6cbe5b54a45206069b4c8f414a4387142b44777a9df9f5
ripemd-160
b59edbf62148bcb9d082bf32826e8ebe51b55446
Diameter
43353374
Circumference
136198641.26673
Area
1.4761676582821E+15
Volume
4.2664565717472E+22
Surface area
5.9046706331284E+15
Circumference
136198641.26673
Perimeter
86706748
Area
469878759295969
Diagonal
30655464.742717
Surface area
2819272555775814
Volume
1.0185414793207E+22
Space diagonal
37545123.223768
Perimeter
65030061
Area
2.0346347112451E+14
Altitude
18772561.611884
Surface area
2.0346347112451E+14
Volume
1.2003626449124E+21
Height
10218488.247572