21276980 is an even 8-digits composite number following 21276979
and preceding 21276981 . In scientific notation, it is written as 2.1276980 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 8510784 positive integers (up to 21276980) that are relatively prime to 21276980.
21276980 has 12 divisors, whose sum is 44681700
The reverse of 21276980 is 08967212
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million two hundred seventy-six thousand nine hundred eighty
Scientific notation
2.1276980 × 10^7
Engineering notation
2.1276980 × 10^6
Prime Factorization
2 × 2 × 5 × 1063849
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10638490
Product of the distinct prime numbers
The prime factorization of 21276980 is 2 × 2 × 5 × 1063849.
Since it has a total of 4 prime factors.
8 , 10 , 76 , 33 , 613 , 420 , 1102 , 8425 , 43520 , 78232 , 548702 , 699068 , 1557280 , 2321651 , 81767429 , 77751898 , 2512993 , 976026641 , 7467211150 , 1921557573
n×2
42553960
n×3
63830940
n×4
85107920
n×5
106384900
n÷2
10638490
n÷3
7092326.6666667
n÷3
5319245
n÷5
4255396
n2
452709877920400
n3
9.6322990183148E+21
n4
2.049462335667E+29
n5
4.3606369126741E+36
2 √n
4612.6976922404
3 √n
277.1000867754
4 √n
67.916843950823
5 √n
29.2133927228
1 , 2 , 4 , 5 , 10 , 20 , 1063849 , 2127698 , 4255396 , 5319245 , 10638490 , 21276980
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
-21276979
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 21276980 can be divided by 12 positive divisors.
The sum of these divisors (counting 21276980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001001010100100110100
3
Ternary
1111000222112022
4
Quaternary
1101022210310
5
Quinary
20421330410
6
Senary
2040012312
8
Octal
121124464
10
Decimal
21276980
12
Duodecimal
7161098
16
Hexadecimal
144a934
20
Vigesimal
6cjc90
36
Base36
co1f8
md5
191d98480f072f66484c9f225d40991e
sha1
e403db7b56ec5a53e15d8850f055f489d0c66702
sha256
bc4d45ae412c9d799ca1b544b655f9f95fdde53350002c9ed3c94c61502a6c76
sha512
d61a04be0c2e7cfb064e60a1f7c4e0396b93c05f7fd3e38e52bbad44222319b5cfd2d0f6f82eb2e7db4d398a2402105226fd63e8550a75c3b51bd7eff0c31566
ripemd-160
0c92670e8c9752d67dbe47753435d4fba302b900
Diameter
42553960
Circumference
133687208.11715
Area
1.4222300266823E+15
Volume
4.0347679777491E+22
Surface area
5.688920106729E+15
Circumference
133687208.11715
Perimeter
85107920
Area
452709877920400
Diagonal
30090193.682341
Surface area
2716259267522400
Volume
9.6322990183148E+21
Space diagonal
36852810.391627
Perimeter
63830940
Area
1.9602912741161E+14
Altitude
18426405.195813
Surface area
1.9602912741161E+14
Volume
1.1351773257112E+21
Height
10030064.56078