21276421 (number)

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.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-six thousand four hundred twenty-one

Notation

Scientific notation 2.1276421 × 10^7
Engineering notation 2.1276421 × 10^6

Prime Factorization of 21276421

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.

Most popular turbo-numbers

Basic calculations (n = 21276421)

Multiplication

n×y
n×2 42552842
n×3 63829263
n×4 85105684
n×5 106382105

Division

n÷y
n÷2 10638210.5
n÷3 7092140.3333333
n÷3 5319105.25
n÷5 4255284.2

Exponentiation

ny
n2 452686090569241
n3 9.6315398437953E+21
n4 2.0492469659486E+29
n5 4.3600641180496E+36

Nth Root

y√n
2√n 4612.6370982335
3√n 277.09766004778
4√n 67.916397859674
5√n 29.213239219266

Divisors of 21276421

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 conversion 21276421

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

Cryptographic Hash Functions

md5 a1af4fd1721b33b55cab13bb7186526d
sha1 034107cd964d4945673dfe3837d4429155a32915
sha256 0a9ddc80d60d466328cf5ebee78458b2ab81257a59e8be684ea3d6ac63b80c3f
sha512 ab4d16fce3c2e8eacad559c2999995ec103d6682e28065686f2c877b09ad4bc5cec5f9e617b714240746488d856ab7fb4bebd89ed971e089551714be640fbf79
ripemd-160 6e9dc340822a4d529c005a914fdfd89f4b8422fa

21276421 as geometric shapes

Circle

Radius = n
Diameter 42552842
Circumference 133683695.81657
Area 1.4221552965146E+15

Sphere

Radius = n
Volume 4.03444997547E+22
Surface area 5.6886211860584E+15
Circumference 133683695.81657

Square

Length = n
Perimeter 85105684
Area 452686090569241
Diagonal 30089403.13696

Cube

Length = n
Surface area 2716116543415446
Volume 9.6315398437953E+21
Space diagonal 36851842.175225

Equilateral Triangle

Length = n
Perimeter 63829263
Area 1.9601882718641E+14
Altitude 18425921.087613

Triangular Pyramid

Length = n
Surface area 1.9601882718641E+14
Volume 1.135087856136E+21
Height 10029801.045653