21706720 is an even 8-digits composite number following 21706719
and preceding 21706721 . In scientific notation, it is written as 2.1706720 × 10^7.
The sum of its digits is 25. It has a total of 7 prime factors and 24 positive divisors.
There are 7441920 positive integers (up to 21706720) that are relatively prime to 21706720.
21706720 has 24 divisors, whose sum is 43958376
The reverse of 21706720 is 02760712
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million seven hundred six thousand seven hundred twenty
Scientific notation
2.1706720 × 10^7
Engineering notation
2.1706720 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 35 × 19381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1356670
Product of the distinct prime numbers
The prime factorization of 21706720 is 2 × 2 × 2 × 2 × 2 × 35 × 19381.
Since it has a total of 7 prime factors.
6 , 10 , 47 , 16 , 815 , 867 , 8675 , 5475 , 98 , 29813 , 582636 , 665780 , 4370561 , 1514331 , 45567755 , 94849547 , 421832005 , 421143539 , 9194293737 , 5253024725
n×2
43413440
n×3
65120160
n×4
86826880
n×5
108533600
n÷2
10853360
n÷3
7235573.3333333
n÷3
5426680
n÷5
4341344
n2
471181693158400
n3
1.0227809082515E+22
n4
2.2201218796762E+29
n5
4.8191564008004E+36
2 √n
4659.0471128762
3 √n
278.95323445472
4 √n
68.257212900002
5 √n
29.330457745403
1 , 2 , 4 , 8 , 16 , 32 , 35 , 70 , 140 , 280 , 560 , 1120 , 19381 , 38762 , 77524 , 155048 , 310096 , 620192 , 678335 , 1356670 , 2713340 , 5426680 , 10853360 , 21706720
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
-21706719
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 21706720 can be divided by 24 positive divisors.
The sum of these divisors (counting 21706720) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010110011011111100000
3
Ternary
1111211211000121
4
Quaternary
1102303133200
5
Quinary
21024103340
6
Senary
2053130024
8
Octal
122633740
10
Decimal
21706720
12
Duodecimal
7329914
16
Hexadecimal
14b37e0
20
Vigesimal
6fd6g0
36
Base36
cx90g
md5
b03ff13833c56d1e8f41802debab76d0
sha1
cfe639f12c3d8284c4fd122a606638bcf666b6ad
sha256
cab53346489d8abf667dccd52484050678624bf947baa6df11fc624ac2b0cb84
sha512
0ac88833238ed8ceef0f908077deca3d032b9f5186b8fbcf7ca9a2b3fa8db5faaed2bb5ad303ada94e651272f0de93f37d176de9199fad7416c8375c31b982a7
ripemd-160
02b4231936126b594a2109d455080dd142120678
Diameter
43413440
Circumference
136387344.17106
Area
1.4802609457324E+15
Volume
4.2842146501265E+22
Surface area
5.9210437829297E+15
Circumference
136387344.17106
Perimeter
86826880
Area
471181693158400
Diagonal
30697937.818635
Surface area
2827090158950400
Volume
1.0227809082515E+22
Space diagonal
37597141.905671
Perimeter
65120160
Area
2.0402765803667E+14
Altitude
18798570.952836
Surface area
2.0402765803667E+14
Volume
1.2053588598213E+21
Height
10232645.939545