21556684 is an even 8-digits composite number following 21556683
and preceding 21556685 . In scientific notation, it is written as 2.1556684 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors.
There are 10778340 positive integers (up to 21556684) that are relatively prime to 21556684.
21556684 has 6 divisors, whose sum is 37724204
The reverse of 21556684 is 48665512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million five hundred fifty-six thousand six hundred eighty-four
Scientific notation
2.1556684 × 10^7
Engineering notation
2.1556684 × 10^6
Prime Factorization
2 × 2 × 5389171
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10778342
Product of the distinct prime numbers
The prime factorization of 21556684 is 2 × 2 × 5389171.
Since it has a total of 3 prime factors.
3 , 8 , 3 , 59 , 620 , 411 , 4794 , 1275 , 72625 , 45789 , 496567 , 307575 , 2310341 , 4163563 , 61009189 , 75889625 , 525314650 , 533965715 , 8681379760 , 3318548443
n×2
43113368
n×3
64670052
n×4
86226736
n×5
107783420
n÷2
10778342
n÷3
7185561.3333333
n÷3
5389171
n÷5
4311336.8
n2
464690625075856
n3
1.0017188962523E+22
n4
2.1593737703339E+29
n5
4.6548938004976E+36
2 √n
4642.9176171886
3 √n
278.30904334226
4 √n
68.138958145752
5 √n
29.289798981302
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21556683
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21556684 can be divided by 6 positive divisors.
The sum of these divisors (counting 21556684) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010010001110110111001100
3
Ternary
1111120012012201
4
Quaternary
1102032313030
5
Quinary
21004303214
6
Senary
2050011244
8
Octal
122166714
10
Decimal
21556684
12
Duodecimal
7276b24
16
Hexadecimal
148edcc
20
Vigesimal
6eebe4
36
Base36
cu18s
md5
31b69ad4c7506dbdf62dc66ef5841cea
sha1
244aad29836e50355ed0c41215f318dc021d67bf
sha256
8cd1ef3b3558c9bca0ab43f509dcf6abb762a6ac3915ad56fe9bae013f130733
sha512
b66612c382f9abbbb0deac29dbd9683ac944ee692865453de2c4c684d7a496d3e493f17317f378ee015da624e8f5da6668d2b72a3cf5d4a6774266c28d37dc4c
ripemd-160
79793358e5e20eba8a855d00fb736ec443d5163f
Diameter
43113368
Circumference
135444640.18031
Area
1.4598686539304E+15
Volume
4.1959903005709E+22
Surface area
5.8394746157214E+15
Circumference
135444640.18031
Perimeter
86226736
Area
464690625075856
Diagonal
30485754.872591
Surface area
2788143750455136
Volume
1.0017188962523E+22
Space diagonal
37337271.930707
Perimeter
64670052
Area
2.0121694310808E+14
Altitude
18668635.965354
Surface area
2.0121694310808E+14
Volume
1.1805370406378E+21
Height
10161918.290864