21086712 is an even 8-digits composite number following 21086711
and preceding 21086713 . In scientific notation, it is written as 2.1086712 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors.
There are 6785856 positive integers (up to 21086712) that are relatively prime to 21086712.
21086712 has 32 divisors, whose sum is 45450000
The reverse of 21086712 is 21768012
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million eighty-six thousand seven hundred twelve
Scientific notation
2.1086712 × 10^7
Engineering notation
2.1086712 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 29 × 10099
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5271678
Product of the distinct prime numbers
The prime factorization of 21086712 is 2 × 2 × 2 × 9 × 29 × 10099.
Since it has a total of 6 prime factors.
6 , 4 , 9 , 72 , 177 , 618 , 9574 , 9999 , 40804 , 59946 , 331332 , 832960 , 2179277 , 5515790 , 47125385 , 51302929 , 487642636 , 383062749 , 1429286967 , 1251151326
n×2
42173424
n×3
63260136
n×4
84346848
n×5
105433560
n÷2
10543356
n÷3
7028904
n÷3
5271678
n÷5
4217342.4
n2
444649422970944
n3
9.3761943231545E+21
n4
1.9771310934839E+29
n5
4.1691193954541E+36
2 √n
4592.0270034049
3 √n
276.27162924496
4 √n
67.764496629171
5 √n
29.160957054643
1 , 2 , 4 , 8 , 9 , 18 , 29 , 36 , 58 , 72 , 116 , 232 , 261 , 522 , 1044 , 2088 , 10099 , 20198 , 40396 , 80792 , 90891 , 181782 , 292871 , 363564 , 585742 , 727128 , 1171484 , 2342968 , 2635839 , 5271678 , 10543356 , 21086712
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21086711
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21086712 can be divided by 32 positive divisors.
The sum of these divisors (counting 21086712) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000011100000111111000
3
Ternary
1110200022112100
4
Quaternary
1100130013320
5
Quinary
20344233322
6
Senary
2031543400
8
Octal
120340770
10
Decimal
21086712
12
Duodecimal
708ab60
16
Hexadecimal
141c1f8
20
Vigesimal
6bfgfc
36
Base36
cjym0
md5
47349f4bfec612e50e12c1a20288d79b
sha1
0dfa515ac777eae739f834addd5bfe2328359dfc
sha256
a88b19102c9e202f4339c29047f8ce97c4af6d1bc343493373e15b4ff63e6dfc
sha512
c1519800c9450f7435dd37921b78c4dacf516763c18f94a21294a4494ae7ae4ea20e0f86ed01a21b950e17ea8dcc25efc6fee35e06a2f7400d24f5d9e94ad4d4
ripemd-160
b09e58e7860b36ff1566652d45ee1e484bc1cada
Diameter
42173424
Circumference
132491719.01513
Area
1.3969073606285E+15
Volume
3.9274910939003E+22
Surface area
5.5876294425138E+15
Circumference
132491719.01513
Perimeter
84346848
Area
444649422970944
Diagonal
29821114.096255
Surface area
2667896537825664
Volume
9.3761943231545E+21
Space diagonal
36523256.548572
Perimeter
63260136
Area
1.9253884803546E+14
Altitude
18261628.274286
Surface area
1.9253884803546E+14
Volume
1.1049950979376E+21
Height
9940371.3654185