21708520 is an even 8-digits composite number following 21708519
and preceding 21708521 . In scientific notation, it is written as 2.1708520 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 8683392 positive integers (up to 21708520) that are relatively prime to 21708520.
21708520 has 16 divisors, whose sum is 48844260
The reverse of 21708520 is 02580712
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million seven hundred eight thousand five hundred twenty
Scientific notation
2.1708520 × 10^7
Engineering notation
2.1708520 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 542713
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5427130
Product of the distinct prime numbers
The prime factorization of 21708520 is 2 × 2 × 2 × 5 × 542713.
Since it has a total of 5 prime factors.
4 , 8 , 92 , 79 , 801 , 733 , 1790 , 1902 , 9709 , 50716 , 620635 , 14525 , 8144859 , 7465026 , 4244759 , 7761956 , 976015754 , 234375304 , 9368226813 , 8831112220
n×2
43417040
n×3
65125560
n×4
86834080
n×5
108542600
n÷2
10854260
n÷3
7236173.3333333
n÷3
5427130
n÷5
4341704
n2
471259840590400
n3
1.0230353674654E+22
n4
2.2208583735329E+29
n5
4.8211548419006E+36
2 √n
4659.2402814193
3 √n
278.96094484646
4 √n
68.258627889955
5 √n
29.330944166869
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 542713 , 1085426 , 2170852 , 2713565 , 4341704 , 5427130 , 10854260 , 21708520
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21708519
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21708520 can be divided by 16 positive divisors.
The sum of these divisors (counting 21708520) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110011111011101000
3
Ternary
1111211220111021
4
Quaternary
1102303323220
5
Quinary
21024133040
6
Senary
2053142224
8
Octal
122637350
10
Decimal
21708520
12
Duodecimal
732a974
16
Hexadecimal
14b3ee8
20
Vigesimal
6fdb60
36
Base36
cxaeg
md5
c6c1350b304bc865261c658778d91595
sha1
ffb156a2779a47fdb76e13cedaf823ec2280223e
sha256
7ffced02e6e8dde375c620c19b417892ee45f4c27ba3aea6a4f7bc334fbfd40d
sha512
c9af54d36dadad09135f091ef2ec291c108afa4842c5666f3d57214f1d837eb1d9497edbb36fef3bf6d802642de6c8b4daafa37090a3ea1a5d16a197caf331e1
ripemd-160
e268d25d932aa562419ef2fad5a4cdcf7213b8d8
Diameter
43417040
Circumference
136398653.90461
Area
1.4805064531307E+15
Volume
4.2852805263889E+22
Surface area
5.9220258125228E+15
Circumference
136398653.90461
Perimeter
86834080
Area
471259840590400
Diagonal
30700483.403048
Surface area
2827559043542400
Volume
1.0230353674654E+22
Space diagonal
37600259.597125
Perimeter
65125560
Area
2.0406149686735E+14
Altitude
18800129.798563
Surface area
2.0406149686735E+14
Volume
1.2056587428807E+21
Height
10233494.467683