21276421 is an odd 8-digits composite number following 21276420
and preceding 21276422 . In scientific notation, it is written as 2.1276421 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 21222432 positive integers (up to 21276421) that are relatively prime to 21276421.
21276421 has 4 divisors, whose sum is 21330412
The reverse of 21276421 is 12467212
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million two hundred seventy-six thousand four hundred twenty-one
Scientific notation
2.1276421 × 10^7
Engineering notation
2.1276421 × 10^6
Prime Factorization
397 × 53593
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21276421
Product of the distinct prime numbers
The prime factorization of 21276421 is 397 × 53593.
Since it has a total of 2 prime factors.
1 , 9 , 85 , 17 , 106 , 251 , 8035 , 6500 , 64535 , 52642 , 336537 , 739441 , 741139 , 394102 , 63128305 , 92159172 , 455074977 , 10614607 , 3063176941 , 1959386845
n×2
42552842
n×3
63829263
n×4
85105684
n×5
106382105
n÷2
10638210.5
n÷3
7092140.3333333
n÷3
5319105.25
n÷5
4255284.2
n2
452686090569241
n3
9.6315398437953E+21
n4
2.0492469659486E+29
n5
4.3600641180496E+36
2 √n
4612.6370982335
3 √n
277.09766004778
4 √n
67.916397859674
5 √n
29.213239219266
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21276420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21276421 can be divided by 4 positive divisors.
The sum of these divisors (counting 21276421) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001001010011100000101
3
Ternary
1111000221202121
4
Quaternary
1101022130011
5
Quinary
20421321141
6
Senary
2040005541
8
Octal
121123405
10
Decimal
21276421
12
Duodecimal
71608b1
16
Hexadecimal
144a705
20
Vigesimal
6cjb11
36
Base36
co0zp
md5
a1af4fd1721b33b55cab13bb7186526d
sha1
034107cd964d4945673dfe3837d4429155a32915
sha256
0a9ddc80d60d466328cf5ebee78458b2ab81257a59e8be684ea3d6ac63b80c3f
sha512
ab4d16fce3c2e8eacad559c2999995ec103d6682e28065686f2c877b09ad4bc5cec5f9e617b714240746488d856ab7fb4bebd89ed971e089551714be640fbf79
ripemd-160
6e9dc340822a4d529c005a914fdfd89f4b8422fa
Diameter
42552842
Circumference
133683695.81657
Area
1.4221552965146E+15
Volume
4.03444997547E+22
Surface area
5.6886211860584E+15
Circumference
133683695.81657
Perimeter
85105684
Area
452686090569241
Diagonal
30089403.13696
Surface area
2716116543415446
Volume
9.6315398437953E+21
Space diagonal
36851842.175225
Perimeter
63829263
Area
1.9601882718641E+14
Altitude
18425921.087613
Surface area
1.9601882718641E+14
Volume
1.135087856136E+21
Height
10029801.045653