28331385 (number)

28331385 is an odd 8-digits composite number following 28331384 and preceding 28331386. In scientific notation, it is written as 2.8331385 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 15110064 positive integers (up to 28331385) that are relatively prime to 28331385.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8331385 × 10^7
Engineering notation 2.8331385 × 10^6

Prime Factorization of 28331385

Prime Factorization 15 × 1888759

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28331385
Product of the distinct prime numbers

The prime factorization of 28331385 is 15 × 1888759. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28331385)

Multiplication

n×y
n×2 56662770
n×3 84994155
n×4 113325540
n×5 141656925

Division

n÷y
n÷2 14165692.5
n÷3 9443795
n÷3 7082846.25
n÷5 5666277

Exponentiation

ny
n2 802667376018225
n3 2.2740678456912E+22
n4 6.4427491652398E+29
n5 1.8253200705884E+37

Nth Root

y√n
2√n 5322.7234570284
3√n 304.85215444909
4√n 72.95699731368
5√n 30.93524509156

Divisors of 28331385

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 -28331384
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 28331385 can be divided by 4 positive divisors. The sum of these divisors (counting 28331385) is 1, the average is 0.25.

Base conversion 28331385

Base System Value
2 Binary 1101100000100110101111001
3 Ternary 1222022101100120
4 Quaternary 1230010311321
5 Quinary 24223101020
6 Senary 2451123453
8 Octal 154046571
10 Decimal 28331385
12 Duodecimal 95a3589
16 Hexadecimal 1b04d79
20 Vigesimal 8h1895
36 Base36 gv8mx

Cryptographic Hash Functions

md5 ac74fba0254b133cfc569a4bb44b8150
sha1 e988640f891100f031fbea8076e998d4450813b2
sha256 2b6455f7cc9c43a7658b5d0841b0a2f139faa83fc1a146f06df7ef43be67dc49
sha512 6002a98c7d9ae778e7e880d3d00e60534b63ddc6b076257df0f338f4a2f3ad75513b336cf68fcc41bcf81f333529e94bec9609f07188f3ca01742431a7543061
ripemd-160 2915cc309203e1cab84fb9937995c9739641ce97

28331385 as geometric shapes

Circle

Radius = n
Diameter 56662770
Circumference 178011341.96405
Area 2.5216539317751E+15

Sphere

Radius = n
Volume 9.525593117051E+22
Surface area 1.00866157271E+16
Circumference 178011341.96405

Square

Length = n
Perimeter 113325540
Area 802667376018225
Diagonal 40066628.907814

Cube

Length = n
Surface area 4816004256109350
Volume 2.2740678456912E+22
Space diagonal 49071398.268795

Equilateral Triangle

Length = n
Perimeter 84994155
Area 3.4756516921039E+14
Altitude 24535699.134397

Triangular Pyramid

Length = n
Surface area 3.4756516921039E+14
Volume 2.6800146576109E+21
Height 13355542.969271