28261321 (number)

28261321 is an odd 8-digits composite number following 28261320 and preceding 28261322. In scientific notation, it is written as 2.8261321 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 25655520 positive integers (up to 28261321) that are relatively prime to 28261321.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred sixty-one thousand three hundred twenty-one

Notation

Scientific notation 2.8261321 × 10^7
Engineering notation 2.8261321 × 10^6

Prime Factorization of 28261321

Prime Factorization 11 × 947 × 2713

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28261321
Product of the distinct prime numbers

The prime factorization of 28261321 is 11 × 947 × 2713. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28261321)

Multiplication

n×y
n×2 56522642
n×3 84783963
n×4 113045284
n×5 141306605

Division

n÷y
n÷2 14130660.5
n÷3 9420440.3333333
n÷3 7065330.25
n÷5 5652264.2

Exponentiation

ny
n2 798702264665041
n3 2.2572381085126E+22
n4 6.3792530758107E+29
n5 1.8028611891572E+37

Nth Root

y√n
2√n 5316.1377897869
3√n 304.6006454745
4√n 72.911849447033
5√n 30.919929255413

Divisors of 28261321

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 -28261320
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 28261321 can be divided by 8 positive divisors. The sum of these divisors (counting 28261321) is 1, the average is 0.125.

Base conversion 28261321

Base System Value
2 Binary 1101011110011101111001001
3 Ternary 1222011211020121
4 Quaternary 1223303233021
5 Quinary 24213330241
6 Senary 2445423241
8 Octal 153635711
10 Decimal 28261321
12 Duodecimal 956ab21
16 Hexadecimal 1af3bc9
20 Vigesimal 8gcd61
36 Base36 gtqkp

Cryptographic Hash Functions

md5 a1f267c8d0909b891c90be6cb774de95
sha1 bfcee8dba7bfeb744d211b6b069a0c274943012a
sha256 299cb38c141c5edf462258c2e9951d16133cc914587d0ba1b8cf260e44a2ac7a
sha512 599ec84144988e13b9dfa3203dd4d629cceb64a6951c22df2a4f4153eea7e1b0a170dae7e562b6a46685c57372acf8fd6765d9ff2225f81072898f4ad475c1bd
ripemd-160 5cbe50c11a4c8baeaad14138c799d5d733631506

28261321 as geometric shapes

Circle

Radius = n
Diameter 56522642
Circumference 177571116.86869
Area 2.5091971670772E+15

Sphere

Radius = n
Volume 9.455096878808E+22
Surface area 1.0036788668309E+16
Circumference 177571116.86869

Square

Length = n
Perimeter 113045284
Area 798702264665041
Diagonal 39967543.44878

Cube

Length = n
Surface area 4792213587990246
Volume 2.2572381085126E+22
Space diagonal 48950043.861013

Equilateral Triangle

Length = n
Perimeter 84783963
Area 3.4584822563004E+14
Altitude 24475021.930507

Triangular Pyramid

Length = n
Surface area 3.4584822563004E+14
Volume 2.6601806221366E+21
Height 13322514.482927