21276905 is an odd 8-digits composite number following 21276904
and preceding 21276906 . In scientific notation, it is written as 2.1276905 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 15712128 positive integers (up to 21276905) that are relatively prime to 21276905.
21276905 has 8 divisors, whose sum is 27496392
The reverse of 21276905 is 50967212
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million two hundred seventy-six thousand nine hundred five
Scientific notation
2.1276905 × 10^7
Engineering notation
2.1276905 × 10^6
Prime Factorization
13 × 5 × 327337
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21276905
Product of the distinct prime numbers
The prime factorization of 21276905 is 13 × 5 × 327337.
Since it has a total of 3 prime factors.
2 , 5 , 93 , 27 , 510 , 308 , 8617 , 1887 , 46089 , 11246 , 861100 , 48251 , 7688752 , 535880 , 58846283 , 62557264 , 335422278 , 565126239 , 908655000 , 6767892145
n×2
42553810
n×3
63830715
n×4
85107620
n×5
106384525
n÷2
10638452.5
n÷3
7092301.6666667
n÷3
5319226.25
n÷5
4255381
n2
452706686379025
n3
9.6321971589513E+21
n4
2.0494334389228E+29
n5
4.3605600583783E+36
2 √n
4612.6895625004
3 √n
277.0997611883
4 √n
67.916784100106
5 √n
29.213372127701
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
-21276904
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 21276905 can be divided by 8 positive divisors.
The sum of these divisors (counting 21276905) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001001010100011101001
3
Ternary
1111000222102112
4
Quaternary
1101022203221
5
Quinary
20421330110
6
Senary
2040012105
8
Octal
121124351
10
Decimal
21276905
12
Duodecimal
7161035
16
Hexadecimal
144a8e9
20
Vigesimal
6cjc55
36
Base36
co1d5
md5
ea3f73a25e9b12c6f661a7704ae4a8f5
sha1
b8f83f56aa7255edd573d1a24a911bd072f81377
sha256
77e54038f4d24ae155fb10c3fd10f9535da5f5b9d64c420ce7d3923dbd78d2c0
sha512
1aa859aba3b30873dbf4523266df08d161bb6145e0972998b4a671ec33857432c89042a920e6ac6b2eef9e44106f876a9d59c5693ec4689fc8b9e12685959a90
ripemd-160
29484218b5a9095c65a05c90489dc3c308d5cc57
Diameter
42553810
Circumference
133686736.87826
Area
1.4222200001593E+15
Volume
4.0347253109987E+22
Surface area
5.6888800006373E+15
Circumference
133686736.87826
Perimeter
85107620
Area
452706686379025
Diagonal
30090087.616324
Surface area
2716240118274150
Volume
9.6321971589513E+21
Space diagonal
36852680.487816
Perimeter
63830715
Area
1.9602774543366E+14
Altitude
18426340.243908
Surface area
1.9602774543366E+14
Volume
1.13516532147E+21
Height
10030029.205441