28378465 (number)

28378465 is an odd 8-digits composite number following 28378464 and preceding 28378466. In scientific notation, it is written as 2.8378465 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 22645632 positive integers (up to 28378465) that are relatively prime to 28378465.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred seventy-eight thousand four hundred sixty-five

Notation

Scientific notation 2.8378465 × 10^7
Engineering notation 2.8378465 × 10^6

Prime Factorization of 28378465

Prime Factorization 5 × 409 × 13877

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28378465
Product of the distinct prime numbers

The prime factorization of 28378465 is 5 × 409 × 13877. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28378465)

Multiplication

n×y
n×2 56756930
n×3 85135395
n×4 113513860
n×5 141892325

Division

n÷y
n÷2 14189232.5
n÷3 9459488.3333333
n÷3 7094616.25
n÷5 5675693

Exponentiation

ny
n2 805337275756225
n3 2.2854235693243E+22
n4 6.4856812772246E+29
n5 1.8405367912687E+37

Nth Root

y√n
2√n 5327.1441692524
3√n 305.0209248387
4√n 72.987287723633
5√n 30.945519663076

Divisors of 28378465

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 -28378464
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 28378465 can be divided by 8 positive divisors. The sum of these divisors (counting 28378465) is 1, the average is 0.125.

Base conversion 28378465

Base System Value
2 Binary 1101100010000010101100001
3 Ternary 1222101202221021
4 Quaternary 1230100111201
5 Quinary 24231102330
6 Senary 2452125441
8 Octal 154202541
10 Decimal 28378465
12 Duodecimal 9606881
16 Hexadecimal 1b10561
20 Vigesimal 8h7635
36 Base36 gw8yp

Cryptographic Hash Functions

md5 fe8e63e7b6404a327126efc97272e8c8
sha1 2541c9fdc637107fe48af928c02a02cebc59b1f8
sha256 12222011e60138b45b48eaaa8a9296b63c39f865e28e3d18504ddf7855eece34
sha512 226fcc57e8d1286d3aadc0366a45cc5fdd0c0659eb7f275d7e7f8f60c618f9fdbce250beb05242fa632f062fba19060a96ad4ed4553191d76fc0fef7297cd296
ripemd-160 2e8268c2cefca16535b2be1ad53527ab784fae8e

28378465 as geometric shapes

Circle

Radius = n
Diameter 56756930
Circumference 178307154.32831
Area 2.5300416691778E+15

Sphere

Radius = n
Volume 9.5731598609737E+22
Surface area 1.0120166676711E+16
Circumference 178307154.32831

Square

Length = n
Perimeter 113513860
Area 805337275756225
Diagonal 40133210.08233

Cube

Length = n
Surface area 4832023654537350
Volume 2.2854235693243E+22
Space diagonal 49152943.220815

Equilateral Triangle

Length = n
Perimeter 85135395
Area 3.4872126970972E+14
Altitude 24576471.610408

Triangular Pyramid

Length = n
Surface area 3.4872126970972E+14
Volume 2.6933975062547E+21
Height 13377736.69411