21090718 is an even 8-digits composite number following 21090717
and preceding 21090719 . In scientific notation, it is written as 2.1090718 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 9586680 positive integers (up to 21090718) that are relatively prime to 21090718.
21090718 has 8 divisors, whose sum is 34512120
The reverse of 21090718 is 81709012
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million ninety thousand seven hundred eighteen
Scientific notation
2.1090718 × 10^7
Engineering notation
2.1090718 × 10^6
Prime Factorization
2 × 11 × 958669
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21090718
Product of the distinct prime numbers
The prime factorization of 21090718 is 2 × 11 × 958669.
Since it has a total of 3 prime factors.
7 , 1 , 8 , 11 , 509 , 764 , 2234 , 1952 , 28732 , 78738 , 722132 , 585500 , 1189103 , 6989031 , 69075629 , 93298995 , 117791989 , 746484245 , 5973041056 , 9558256270
n×2
42181436
n×3
63272154
n×4
84362872
n×5
105453590
n÷2
10545359
n÷3
7030239.3333333
n÷3
5272679.5
n÷5
4218143.6
n2
444818385755524
n3
9.381539135185E+21
n4
1.9786339630615E+29
n5
4.1730810940153E+36
2 √n
4592.463173505
3 √n
276.28912326471
4 √n
67.767714831659
5 √n
29.16206495537
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
-21090717
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 21090718 can be divided by 8 positive divisors.
The sum of these divisors (counting 21090718) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011101000110011110
3
Ternary
1110200112000201
4
Quaternary
1100131012132
5
Quinary
20344400333
6
Senary
2032014114
8
Octal
120350636
10
Decimal
21090718
12
Duodecimal
709133a
16
Hexadecimal
141d19e
20
Vigesimal
6bg6fi
36
Base36
ck1pa
md5
705d95f85e075835a956e4bff4c1a52d
sha1
4d0e36f1278f85a2cee97aa8a37db6e4b6dc4a57
sha256
1530aa65c858a599cb6e51bea9aa5ec3231135872eb99140a0d79ab0aba12780
sha512
d5bc0a5fcafac110a7dba2ced24197e00251d4a3cbd6328b632be0c01ac541f69189cdd1716994f46bc6ddaddb7d9f84b0331b0c5027c2b0ebdbdee13eb297ab
ripemd-160
c5c541928b9f5af9544fb028ee12cee266ce8942
Diameter
42181436
Circumference
132516889.45547
Area
1.3974381728712E+15
Volume
3.9297299235283E+22
Surface area
5.5897526914849E+15
Circumference
132516889.45547
Perimeter
84362872
Area
444818385755524
Diagonal
29826779.435786
Surface area
2668910314533144
Volume
9.381539135185E+21
Space diagonal
36530195.144107
Perimeter
63272154
Area
1.9261201106733E+14
Altitude
18265097.572054
Surface area
1.9261201106733E+14
Volume
1.105624990076E+21
Height
9942259.8119288