21685514 is an even 8-digits composite number following 21685513
and preceding 21685515 . In scientific notation, it is written as 2.1685514 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 10730880 positive integers (up to 21685514) that are relatively prime to 21685514.
21685514 has 8 divisors, whose sum is 32863908
The reverse of 21685514 is 41558612
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million six hundred eighty-five thousand five hundred fourteen
Scientific notation
2.1685514 × 10^7
Engineering notation
2.1685514 × 10^6
Prime Factorization
2 × 97 × 111781
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21685514
Product of the distinct prime numbers
The prime factorization of 21685514 is 2 × 97 × 111781.
Since it has a total of 3 prime factors.
3 , 2 , 17 , 83 , 231 , 540 , 1406 , 2968 , 55475 , 84276 , 222225 , 975568 , 6531233 , 5511944 , 35675302 , 37626939 , 844046014 , 177966392 , 3370578816 , 8773135115
n×2
43371028
n×3
65056542
n×4
86742056
n×5
108427570
n÷2
10842757
n÷3
7228504.6666667
n÷3
5421378.5
n÷5
4337102.8
n2
470261517444196
n3
1.0197862720197E+22
n4
2.2114589478892E+29
n5
4.7956623974876E+36
2 √n
4656.7707695355
3 √n
278.86236536474
4 √n
68.240536116999
5 √n
29.324724729238
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
-21685513
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 21685514 can be divided by 8 positive divisors.
The sum of these divisors (counting 21685514) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101110010100001010
3
Ternary
1111210201221012
4
Quaternary
1102232110022
5
Quinary
21022414024
6
Senary
2052443522
8
Octal
122562412
10
Decimal
21685514
12
Duodecimal
73195a2
16
Hexadecimal
14ae50a
20
Vigesimal
6fadfe
36
Base36
cwsne
md5
3517e4fd2e654b045a5859b1696627b5
sha1
71f69eebdd979c171568c36d957e92f02187a6c6
sha256
1bf3b549766ef03aa3c826fad9d8b0bad8b7a8e967d9c71f3e5ade50f5779769
sha512
829eb15ca5322756e15b1184b04d18dac89c3f5456d41e7ef57b1d4858762e20adbd7b87eaac7810d7e962c9c952e881572bb177a67f1cd42d92414533fee766
ripemd-160
7e76ca45235b34fce0056a6c825e9e59966f6f70
Diameter
43371028
Circumference
136254102.94344
Area
1.4773701284687E+15
Volume
4.2716707472119E+22
Surface area
5.9094805138747E+15
Circumference
136254102.94344
Perimeter
86742056
Area
470261517444196
Diagonal
30667948.005832
Surface area
2821569104665176
Volume
1.0197862720197E+22
Space diagonal
37560412.036246
Perimeter
65056542
Area
2.0362921026445E+14
Altitude
18780206.018123
Surface area
2.0362921026445E+14
Volume
1.2018296471768E+21
Height
10222649.335277