21086716 is an even 8-digits composite number following 21086715
and preceding 21086717 . In scientific notation, it is written as 2.1086716 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 8909040 positive integers (up to 21086716) that are relatively prime to 21086716.
21086716 has 24 divisors, whose sum is 42771456
The reverse of 21086716 is 61768012
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million eighty-six thousand seven hundred sixteen
Scientific notation
2.1086716 × 10^7
Engineering notation
2.1086716 × 10^6
Prime Factorization
2 × 2 × 7 × 71 × 10607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10543358
Product of the distinct prime numbers
The prime factorization of 21086716 is 2 × 2 × 7 × 71 × 10607.
Since it has a total of 5 prime factors.
3 , 2 , 49 , 47 , 627 , 181 , 5060 , 4412 , 56831 , 66431 , 469074 , 555883 , 5706196 , 4532935 , 86404877 , 280043 , 321767269 , 856425332 , 6660204148 , 6199260044
n×2
42173432
n×3
63260148
n×4
84346864
n×5
105433580
n÷2
10543358
n÷3
7028905.3333333
n÷3
5271679
n÷5
4217343.2
n2
444649591664656
n3
9.3761996589486E+21
n4
1.9771325936755E+29
n5
4.1691233497178E+36
2 √n
4592.0274389424
3 √n
276.27164671388
4 √n
67.764499842782
5 √n
29.160958160969
1 , 2 , 4 , 7 , 14 , 28 , 71 , 142 , 284 , 497 , 994 , 1988 , 10607 , 21214 , 42428 , 74249 , 148498 , 296996 , 753097 , 1506194 , 3012388 , 5271679 , 10543358 , 21086716
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21086715
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21086716 can be divided by 24 positive divisors.
The sum of these divisors (counting 21086716) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000011100000111111100
3
Ternary
1110200022112111
4
Quaternary
1100130013330
5
Quinary
20344233331
6
Senary
2031543404
8
Octal
120340774
10
Decimal
21086716
12
Duodecimal
708ab64
16
Hexadecimal
141c1fc
20
Vigesimal
6bfgfg
36
Base36
cjym4
md5
e6822f48de5f037f10680a51c91fa90e
sha1
0cb7a1056933d78610049e5a3f2c72a6146d0e18
sha256
a5031b17568fc013805150405d32965b6836aa4824152c82ee3e13ba99a56c66
sha512
c6d8b72b4a0883970383409ddb33f5099034174e8dc3275f12e1c457e5bf7a38cc2df7d98e08775211cf2b4f1679b54742f04ca3bb706f1cc9e1103896f4f965
ripemd-160
b1c4a2aac83c1feff6218387e11f589be9d41a09
Diameter
42173432
Circumference
132491744.14787
Area
1.3969078905954E+15
Volume
3.9274933289525E+22
Surface area
5.5876315623815E+15
Circumference
132491744.14787
Perimeter
84346864
Area
444649591664656
Diagonal
29821119.75311
Surface area
2667897549987936
Volume
9.3761996589486E+21
Space diagonal
36523263.476776
Perimeter
63260148
Area
1.9253892108198E+14
Altitude
18261631.738388
Surface area
1.9253892108198E+14
Volume
1.1049957267669E+21
Height
9940373.2510366