21087076 is an even 8-digits composite number following 21087075
and preceding 21087077 . In scientific notation, it is written as 2.1087076 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 10472480 positive integers (up to 21087076) that are relatively prime to 21087076.
21087076 has 12 divisors, whose sum is 37151100
The reverse of 21087076 is 67078012
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million eighty-seven thousand seventy-six
Scientific notation
2.1087076 × 10^7
Engineering notation
2.1087076 × 10^6
Prime Factorization
2 × 2 × 149 × 35381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10543538
Product of the distinct prime numbers
The prime factorization of 21087076 is 2 × 2 × 149 × 35381.
Since it has a total of 4 prime factors.
1 , 9 , 76 , 6 , 350 , 946 , 4641 , 319 , 86642 , 56873 , 733298 , 953264 , 3718251 , 5761730 , 99139303 , 66788030 , 804100130 , 636607970 , 3192637224 , 4545363386
n×2
42174152
n×3
63261228
n×4
84348304
n×5
105435380
n÷2
10543538
n÷3
7029025.3333333
n÷3
5271769
n÷5
4217415.2
n2
444664774229776
n3
9.3766798887061E+21
n4
1.9772676144082E+29
n5
4.1694792457364E+36
2 √n
4592.0666371472
3 √n
276.27321890791
4 √n
67.764789065909
5 √n
29.161057729562
1 , 2 , 4 , 149 , 298 , 596 , 35381 , 70762 , 141524 , 5271769 , 10543538 , 21087076
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21087075
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21087076 can be divided by 12 positive divisors.
The sum of these divisors (counting 21087076) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011100001101100100
3
Ternary
1110200100000211
4
Quaternary
1100130031210
5
Quinary
20344241301
6
Senary
2031545204
8
Octal
120341544
10
Decimal
21087076
12
Duodecimal
708b204
16
Hexadecimal
141c364
20
Vigesimal
6bfhdg
36
Base36
cjyw4
md5
b763c49bd24c9349b8fa9f97b08dec2e
sha1
d889539b3084f8db0e13985f0f858ebf41d8e2f9
sha256
174a00a22b002c58e9506cb8b494fddf128473cceb78b521b1de4f5e79c00c9f
sha512
d6d8cb27c8dd07a29e5fe90c8e0ddbf08561de3b35af5675995a672271f5af845e3fca59ba8a0a201bdc1da51097456708ad8ca92bb4283c6c5d19b1e05e29ae
ripemd-160
6fe63f0370fac0ee0ac7d87f340125262e13efcb
Diameter
42174152
Circumference
132494006.09458
Area
1.3969555880304E+15
Volume
3.927694487123E+22
Surface area
5.5878223521217E+15
Circumference
132494006.09458
Perimeter
84348304
Area
444664774229776
Diagonal
29821628.869992
Surface area
2667988645378656
Volume
9.3766798887061E+21
Space diagonal
36523887.015066
Perimeter
63261228
Area
1.9254549532553E+14
Altitude
18261943.507533
Surface area
1.9254549532553E+14
Volume
1.1050523223866E+21
Height
9940542.9566641