28331381 (number)

28331381 is an odd 8-digits composite number following 28331380 and preceding 28331382. In scientific notation, it is written as 2.8331381 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 25444800 positive integers (up to 28331381) that are relatively prime to 28331381.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred thirty-one thousand three hundred eighty-one

Notation

Scientific notation 2.8331381 × 10^7
Engineering notation 2.8331381 × 10^6

Prime Factorization of 28331381

Prime Factorization 13 × 37 × 58901

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28331381
Product of the distinct prime numbers

The prime factorization of 28331381 is 13 × 37 × 58901. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 7, 43, 78, 734, 871, 6018, 4925, 22850, 31881, 692693, 624570, 5158763, 5669454, 68081788, 13476487, 303373487, 122914345, 9284677216, 7776350619

Basic calculations (n = 28331381)

Multiplication

n×y
n×2 56662762
n×3 84994143
n×4 113325524
n×5 141656905

Division

n÷y
n÷2 14165690.5
n÷3 9443793.6666667
n÷3 7082845.25
n÷5 5666276.2

Exponentiation

ny
n2 802667149367161
n3 2.2740668824905E+22
n4 6.442745526732E+29
n5 1.8253187820389E+37

Nth Root

y√n
2√n 5322.7230812809
3√n 304.85214010212
4√n 72.95699473855
5√n 30.935244218035

Divisors of 28331381

1, 13, 37, 481, 58901, 765713, 2179337, 28331381

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 -28331380
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 28331381 can be divided by 8 positive divisors. The sum of these divisors (counting 28331381) is 1, the average is 0.125.

Base conversion 28331381

Base System Value
2 Binary 1101100000100110101110101
3 Ternary 1222022101100102
4 Quaternary 1230010311311
5 Quinary 24223101011
6 Senary 2451123445
8 Octal 154046565
10 Decimal 28331381
12 Duodecimal 95a3585
16 Hexadecimal 1b04d75
20 Vigesimal 8h1891
36 Base36 gv8mt

Cryptographic Hash Functions

md5 550b04dd6216afd3bfeb54d83d99b909
sha1 d76237d00ac214f6419ee0203a681a68abc39a4b
sha256 f1cfef86b2b868a9d85173af8a692a4f55fbfaad8cc8367afe26c3c5edd7ab1c
sha512 2343f94d9dbee5ac35819adbbfdc7631d9120207b36a2d4f207c5dae13eaec9e8bf087f959f08f275fb0edb8491095ccf666228e4c165f4b898d8e2cdeb488b7
ripemd-160 1e907f3427ede71040b1940032fe75f073279e90

28331381 as geometric shapes

Circle

Radius = n
Diameter 56662762
Circumference 178011316.83131
Area 2.5216532197297E+15

Sphere

Radius = n
Volume 9.5255890824053E+22
Surface area 1.0086612878919E+16
Circumference 178011316.83131

Square

Length = n
Perimeter 113325524
Area 802667149367161
Diagonal 40066623.250959

Cube

Length = n
Surface area 4816002896202966
Volume 2.2740668824905E+22
Space diagonal 49071391.340592

Equilateral Triangle

Length = n
Perimeter 84994143
Area 3.475650710676E+14
Altitude 24535695.670296

Triangular Pyramid

Length = n
Surface area 3.475650710676E+14
Volume 2.680013522468E+21
Height 13355541.083653