21009076 is an even 8-digits composite number following 21009075
and preceding 21009077 . In scientific notation, it is written as 2.1009076 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 8987520 positive integers (up to 21009076) that are relatively prime to 21009076.
21009076 has 12 divisors, whose sum is 36963808
The reverse of 21009076 is 67090012
Previous prime number is 187
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million nine thousand seventy-six
Scientific notation
2.1009076 × 10^7
Engineering notation
2.1009076 × 10^6
Prime Factorization
2 × 2 × 187 × 28087
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10504538
Product of the distinct prime numbers
The prime factorization of 21009076 is 2 × 2 × 187 × 28087.
Since it has a total of 4 prime factors.
7 , 2 , 90 , 71 , 122 , 706 , 2626 , 8079 , 83144 , 43391 , 967359 , 756044 , 4780620 , 2655727 , 2479540 , 37385600 , 365361031 , 524863376 , 6140291463 , 8372319430
n×2
42018152
n×3
63027228
n×4
84036304
n×5
105045380
n÷2
10504538
n÷3
7003025.3333333
n÷3
5252269
n÷5
4201815.2
n2
441381274373776
n3
9.2730127382955E+21
n4
1.9481742936782E+29
n5
4.0929341797131E+36
2 √n
4583.5658607682
3 √n
275.93215793865
4 √n
67.702037345771
5 √n
29.139452691606
1 , 2 , 4 , 187 , 374 , 748 , 28087 , 56174 , 112348 , 5252269 , 10504538 , 21009076
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
-21009075
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 21009076 can be divided by 12 positive divisors.
The sum of these divisors (counting 21009076) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000001001001010110100
3
Ternary
1110112101000221
4
Quaternary
1100021022310
5
Quinary
20334242301
6
Senary
2030144124
8
Octal
120111264
10
Decimal
21009076
12
Duodecimal
7052044
16
Hexadecimal
14092b4
20
Vigesimal
6b62dg
36
Base36
ciapg
md5
20a9ce47beda6f6186e5dc3f5c31e4a8
sha1
8e53c0db6fdb8f9d871e2d4d1e0b9ae80a9592d1
sha256
9ecb668747cd50ad95a29f1cf9955dc02fe879dd07f293917debbef158c86989
sha512
d85b22f618c3e6b9040e878a7755a2258c5c1c5bf279d186c7119f63e42f928422423411f69db819e281dc4513c011cb61635616dfb2ce116db9e5f88c46e33a
ripemd-160
f3c67bacfcc59ccb0095544c7db339ab92d39246
Diameter
42018152
Circumference
132003917.64062
Area
1.3866401690048E+15
Volume
3.8842704927032E+22
Surface area
5.546560676019E+15
Circumference
132003917.64062
Perimeter
84036304
Area
441381274373776
Diagonal
29711320.212127
Surface area
2648287646242656
Volume
9.2730127382955E+21
Space diagonal
36388787.052076
Perimeter
63027228
Area
1.9112369818122E+14
Altitude
18194393.526038
Surface area
1.9112369818122E+14
Volume
1.0928350315463E+21
Height
9903773.4040424