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.
28378465 has 8 divisors, whose sum is 34139880
The reverse of 28378465 is 56487382
Previous prime number is 13877
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million three hundred seventy-eight thousand four hundred sixty-five
Scientific notation
2.8378465 × 10^7
Engineering notation
2.8378465 × 10^6
Prime Factorization
5 × 13877 × 409
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 × 13877 × 409.
Since it has a total of 3 prime factors.
1 , 5 , 27 , 55 , 214 , 875 , 2898 , 3331 , 94366 , 89852 , 728067 , 428651 , 8517261 , 5818517 , 63129139 , 77993428 , 233421932 , 722262219 , 845697027 , 704681760
n×2
56756930
n×3
85135395
n×4
113513860
n×5
141892325
n÷2
14189232.5
n÷3
9459488.3333333
n÷3
7094616.25
n÷5
5675693
n2
805337275756225
n3
2.2854235693243E+22
n4
6.4856812772246E+29
n5
1.8405367912687E+37
2 √n
5327.1441692524
3 √n
305.0209248387
4 √n
72.987287723633
5 √n
30.945519663076
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
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
md5
fe8e63e7b6404a327126efc97272e8c8
sha1
2541c9fdc637107fe48af928c02a02cebc59b1f8
sha256
12222011e60138b45b48eaaa8a9296b63c39f865e28e3d18504ddf7855eece34
sha512
226fcc57e8d1286d3aadc0366a45cc5fdd0c0659eb7f275d7e7f8f60c618f9fdbce250beb05242fa632f062fba19060a96ad4ed4553191d76fc0fef7297cd296
ripemd-160
2e8268c2cefca16535b2be1ad53527ab784fae8e
Diameter
56756930
Circumference
178307154.32831
Area
2.5300416691778E+15
Volume
9.5731598609737E+22
Surface area
1.0120166676711E+16
Circumference
178307154.32831
Perimeter
113513860
Area
805337275756225
Diagonal
40133210.08233
Surface area
4832023654537350
Volume
2.2854235693243E+22
Space diagonal
49152943.220815
Perimeter
85135395
Area
3.4872126970972E+14
Altitude
24576471.610408
Surface area
3.4872126970972E+14
Volume
2.6933975062547E+21
Height
13377736.69411