21708087 is an odd 8-digits composite number following 21708086
and preceding 21708088 . In scientific notation, it is written as 2.1708087 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 14460600 positive integers (up to 21708087) that are relatively prime to 21708087.
21708087 has 8 divisors, whose sum is 28967040
The reverse of 21708087 is 78080712
Previous prime number is 1879
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million seven hundred eight thousand eighty-seven
Scientific notation
2.1708087 × 10^7
Engineering notation
2.1708087 × 10^6
Prime Factorization
3 × 1879 × 3851
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21708087
Product of the distinct prime numbers
The prime factorization of 21708087 is 3 × 1879 × 3851.
Since it has a total of 3 prime factors.
5 , 5 , 20 , 77 , 187 , 519 , 5570 , 4137 , 13526 , 2722 , 295361 , 370740 , 3331735 , 2005160 , 59594260 , 65142895 , 662038168 , 684269147 , 4664949731 , 8397198194
n×2
43416174
n×3
65124261
n×4
86832348
n×5
108540435
n÷2
10854043.5
n÷3
7236029
n÷3
5427021.75
n÷5
4341617.4
n2
471241041199569
n3
1.0229741520331E+22
n4
2.2206811891085E+29
n5
4.8206740452432E+36
2 √n
4659.1938143846
3 √n
278.95909010782
4 √n
68.258287514298
5 √n
29.33082715843
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
-21708086
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 21708087 can be divided by 8 positive divisors.
The sum of these divisors (counting 21708087) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110011110100110111
3
Ternary
1111211212220020
4
Quaternary
1102303310313
5
Quinary
21024124322
6
Senary
2053140223
8
Octal
122636467
10
Decimal
21708087
12
Duodecimal
732a673
16
Hexadecimal
14b3d37
20
Vigesimal
6fda47
36
Base36
cxa2f
md5
b0379d645a38ea9d9314889ada105293
sha1
029b0fed796cbff97a1e407d447f38e6f39b2741
sha256
c54ed480d6e07f43e8f0550890c35ea842ea9bc47d8a03704e8fdb47afc18cad
sha512
493a4ec6f79f04f6d12189814af2476238f14f9449174491ec7ec179dbf193fd1d47fa02848b8252b41d8eac516896f51b184d51260f9f28eb4135f6016d6a18
ripemd-160
1491a14945f6445a7f196d38d9589e5d1fc03474
Diameter
43416174
Circumference
136395933.28538
Area
1.4804473931026E+15
Volume
4.2850241077858E+22
Surface area
5.9217895724103E+15
Circumference
136395933.28538
Perimeter
86832348
Area
471241041199569
Diagonal
30699871.048575
Surface area
2827446247197414
Volume
1.0229741520331E+22
Space diagonal
37599509.619125
Perimeter
65124261
Area
2.0405335649233E+14
Altitude
18799754.809563
Surface area
2.0405335649233E+14
Volume
1.2055865998019E+21
Height
10233290.349525