21276721 (number)

21276721 is an odd 8-digits composite number following 21276720 and preceding 21276722. In scientific notation, it is written as 2.1276721 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20959092 positive integers (up to 21276721) that are relatively prime to 21276721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1276721 × 10^7
Engineering notation 2.1276721 × 10^6

Prime Factorization of 21276721

Prime Factorization 67 × 317563

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21276721
Product of the distinct prime numbers

The prime factorization of 21276721 is 67 × 317563. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21276721)

Multiplication

n×y
n×2 42553442
n×3 63830163
n×4 85106884
n×5 106383605

Division

n÷y
n÷2 10638360.5
n÷3 7092240.3333333
n÷3 5319180.25
n÷5 4255344.2

Exponentiation

ny
n2 452698856511841
n3 9.6319472670215E+21
n4 2.0493625468713E+29
n5 4.360371513763E+36

Nth Root

y√n
2√n 4612.6696174775
3√n 277.09896241136
4√n 67.916637265677
5√n 29.213321600813

Divisors of 21276721

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 -21276720
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 21276721 can be divided by 4 positive divisors. The sum of these divisors (counting 21276721) is 1, the average is 0.25.

Base conversion 21276721

Base System Value
2 Binary 1010001001010100000110001
3 Ternary 1111000222011201
4 Quaternary 1101022200301
5 Quinary 20421323341
6 Senary 2040011201
8 Octal 121124061
10 Decimal 21276721
12 Duodecimal 7160b01
16 Hexadecimal 144a831
20 Vigesimal 6cjbg1
36 Base36 co181

Cryptographic Hash Functions

md5 462c428b12306de6faaf9b3c4899c23e
sha1 7135c6ea3fbd2d3e52309c4b112d0eda61f50e72
sha256 9ebf0e03d4f29258c641a09f7eef7d072d739f56ab864d8d19d193ac96d1caeb
sha512 b9386aca573c0015a8c82f38f8c341b0521275a17443194275ce517bac466c9fe41b002ea1bc09f28e405e0a4103db1c29833e5e8c894e1324bc96f89676ad00
ripemd-160 73e1a5d93ca41f234ee2ee39018685ded569fca2

21276721 as geometric shapes

Circle

Radius = n
Diameter 42553442
Circumference 133685580.77216
Area 1.4221954019061E+15

Sphere

Radius = n
Volume 4.0346206365119E+22
Surface area 5.6887816076244E+15
Circumference 133685580.77216

Square

Length = n
Perimeter 85106884
Area 452698856511841
Diagonal 30089827.401028

Cube

Length = n
Surface area 2716193139071046
Volume 9.6319472670215E+21
Space diagonal 36852361.790468

Equilateral Triangle

Length = n
Perimeter 63830163
Area 1.9602435500171E+14
Altitude 18426180.895234

Triangular Pyramid

Length = n
Surface area 1.9602435500171E+14
Volume 1.1351358714237E+21
Height 10029942.467009