21276905 (number)

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.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-six thousand nine hundred five

Notation

Scientific notation 2.1276905 × 10^7
Engineering notation 2.1276905 × 10^6

Prime Factorization of 21276905

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.

Most popular turbo-numbers

Basic calculations (n = 21276905)

Multiplication

n×y
n×2 42553810
n×3 63830715
n×4 85107620
n×5 106384525

Division

n÷y
n÷2 10638452.5
n÷3 7092301.6666667
n÷3 5319226.25
n÷5 4255381

Exponentiation

ny
n2 452706686379025
n3 9.6321971589513E+21
n4 2.0494334389228E+29
n5 4.3605600583783E+36

Nth Root

y√n
2√n 4612.6895625004
3√n 277.0997611883
4√n 67.916784100106
5√n 29.213372127701

Divisors of 21276905

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 conversion 21276905

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

Cryptographic Hash Functions

md5 ea3f73a25e9b12c6f661a7704ae4a8f5
sha1 b8f83f56aa7255edd573d1a24a911bd072f81377
sha256 77e54038f4d24ae155fb10c3fd10f9535da5f5b9d64c420ce7d3923dbd78d2c0
sha512 1aa859aba3b30873dbf4523266df08d161bb6145e0972998b4a671ec33857432c89042a920e6ac6b2eef9e44106f876a9d59c5693ec4689fc8b9e12685959a90
ripemd-160 29484218b5a9095c65a05c90489dc3c308d5cc57

21276905 as geometric shapes

Circle

Radius = n
Diameter 42553810
Circumference 133686736.87826
Area 1.4222200001593E+15

Sphere

Radius = n
Volume 4.0347253109987E+22
Surface area 5.6888800006373E+15
Circumference 133686736.87826

Square

Length = n
Perimeter 85107620
Area 452706686379025
Diagonal 30090087.616324

Cube

Length = n
Surface area 2716240118274150
Volume 9.6321971589513E+21
Space diagonal 36852680.487816

Equilateral Triangle

Length = n
Perimeter 63830715
Area 1.9602774543366E+14
Altitude 18426340.243908

Triangular Pyramid

Length = n
Surface area 1.9602774543366E+14
Volume 1.13516532147E+21
Height 10030029.205441