21708090 is an even 8-digits composite number following 21708089
and preceding 21708091 . In scientific notation, it is written as 2.1708090 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 5536608 positive integers (up to 21708090) that are relatively prime to 21708090.
21708090 has 16 divisors, whose sum is 34736256
The reverse of 21708090 is 09080712
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million seven hundred eight thousand ninety
Scientific notation
2.1708090 × 10^7
Engineering notation
2.1708090 × 10^6
Prime Factorization
2 × 45 × 23 × 10487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21708090
Product of the distinct prime numbers
The prime factorization of 21708090 is 2 × 45 × 23 × 10487.
Since it has a total of 4 prime factors.
7 , 1 , 59 , 31 , 43 , 837 , 7907 , 4613 , 49144 , 78088 , 759828 , 902942 , 9697168 , 6387011 , 49962865 , 7300759 , 538185288 , 846760036 , 1560080321 , 9267595863
n×2
43416180
n×3
65124270
n×4
86832360
n×5
108540450
n÷2
10854045
n÷3
7236030
n÷3
5427022.5
n÷5
4341618
n2
471241171448100
n3
1.0229745761501E+22
n4
2.2206824166778E+29
n5
4.8206773762659E+36
2 √n
4659.1941363287
3 √n
278.95910295829
4 √n
68.258289872577
5 √n
29.330827969119
1 , 2 , 23 , 45 , 46 , 90 , 1035 , 2070 , 10487 , 20974 , 241201 , 471915 , 482402 , 943830 , 10854045 , 21708090
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
-21708089
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 21708090 can be divided by 16 positive divisors.
The sum of these divisors (counting 21708090) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110011110100111010
3
Ternary
1111211212220100
4
Quaternary
1102303310322
5
Quinary
21024124330
6
Senary
2053140230
8
Octal
122636472
10
Decimal
21708090
12
Duodecimal
732a676
16
Hexadecimal
14b3d3a
20
Vigesimal
6fda4a
36
Base36
cxa2i
md5
ee92b72f4fbcf5cae89f8b8360601403
sha1
a75f612940da5d08f1efc983e11ad54a9c92d4a9
sha256
ecf2b7dcb7177038f7cc15c21b5b9177750ec7e06fa87c9d1c69dca22e3a1b9e
sha512
c3d950b1ffd774367495b14ca15c50c184f284cae8d9125b63b3fe18d974d56031cdd68cc45abbb0196e4629acb830f97e77f334b8c7921300fcaf2e6206d0f8
ripemd-160
2fb3e29f2c6706e96acc89781420eac72e0d03fe
Diameter
43416180
Circumference
136395952.13493
Area
1.4804478022904E+15
Volume
4.285025884323E+22
Surface area
5.9217912091616E+15
Circumference
136395952.13493
Perimeter
86832360
Area
471241171448100
Diagonal
30699875.291216
Surface area
2827447028688600
Volume
1.0229745761501E+22
Space diagonal
37599514.815278
Perimeter
65124270
Area
2.040534128916E+14
Altitude
18799757.407639
Surface area
2.040534128916E+14
Volume
1.2055870996286E+21
Height
10233291.763739