21087962 is an even 8-digits composite number following 21087961
and preceding 21087963 . In scientific notation, it is written as 2.1087962 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 8981280 positive integers (up to 21087962) that are relatively prime to 21087962.
21087962 has 16 divisors, whose sum is 36376512
The reverse of 21087962 is 26978012
Previous prime number is 163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million eighty-seven thousand nine hundred sixty-two
Scientific notation
2.1087962 × 10^7
Engineering notation
2.1087962 × 10^6
Prime Factorization
2 × 7 × 163 × 9241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21087962
Product of the distinct prime numbers
The prime factorization of 21087962 is 2 × 7 × 163 × 9241.
Since it has a total of 4 prime factors.
3 , 3 , 78 , 81 , 64 , 512 , 5418 , 3805 , 24664 , 7967 , 747026 , 30015 , 5163848 , 9132246 , 3324763 , 19145264 , 834677376 , 834718150 , 5759438920 , 4720041134
n×2
42175924
n×3
63263886
n×4
84351848
n×5
105439810
n÷2
10543981
n÷3
7029320.6666667
n÷3
5271990.5
n÷5
4217592.4
n2
444702141313444
n3
9.3778618573365E+21
n4
1.9775999448876E+29
n5
4.1703552488992E+36
2 √n
4592.1631068593
3 √n
276.27708817589
4 √n
67.765500860389
5 √n
29.161302773141
1 , 2 , 7 , 14 , 163 , 326 , 1141 , 2282 , 9241 , 18482 , 64687 , 129374 , 1506283 , 3012566 , 10543981 , 21087962
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
-21087961
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 21087962 can be divided by 16 positive divisors.
The sum of these divisors (counting 21087962) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011100011011011010
3
Ternary
1110200101020122
4
Quaternary
1100130123122
5
Quinary
20344303322
6
Senary
2031553242
8
Octal
120343332
10
Decimal
21087962
12
Duodecimal
708b822
16
Hexadecimal
141c6da
20
Vigesimal
6bfji2
36
Base36
cjzkq
md5
bfc858c2da4c0b1ecfe3bfa764a78af0
sha1
317d99294f4c3ff797d3fbf52863ce2b12365405
sha256
3180178920b7a7abb872f7864e5c536ac4cee074c1d29ae7612e3d84d4f7693b
sha512
626bef13810ac0cd601b39422593d3bfb1cd146f340bee44eb498c1139f957c9097c085e2f1b42861138b8257f12530e079081f380604e6baea47213d1153be0
ripemd-160
1fdcf26d094bde54e7de47800a01a26a206c0d80
Diameter
42175924
Circumference
132499572.99676
Area
1.397072980186E+15
Volume
3.9281895889851E+22
Surface area
5.5882919207439E+15
Circumference
132499572.99676
Perimeter
84351848
Area
444702141313444
Diagonal
29822881.863208
Surface area
2668212847880664
Volume
9.3778618573365E+21
Space diagonal
36525421.612082
Perimeter
63263886
Area
1.9256167574739E+14
Altitude
18262710.806041
Surface area
1.9256167574739E+14
Volume
1.1051916187256E+21
Height
9940960.6210695