28307939 is an odd 8-digits composite number following 28307938
and preceding 28307940 . In scientific notation, it is written as 2.8307939 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 25734480 positive integers (up to 28307939) that are relatively prime to 28307939.
28307939 has 4 divisors, whose sum is 30881400
The reverse of 28307939 is 93970382
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million three hundred seven thousand nine hundred thirty-nine
Scientific notation
2.8307939 × 10^7
Engineering notation
2.8307939 × 10^6
Prime Factorization
11 × 2573449
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28307939
Product of the distinct prime numbers
The prime factorization of 28307939 is 11 × 2573449.
Since it has a total of 2 prime factors.
5 , 9 , 92 , 36 , 390 , 745 , 6605 , 3120 , 73730 , 9658 , 792344 , 80380 , 4610942 , 663916 , 21616127 , 91840142 , 304299660 , 803391146 , 9114977957 , 1307203234
n×2
56615878
n×3
84923817
n×4
113231756
n×5
141539695
n÷2
14153969.5
n÷3
9435979.6666667
n÷3
7076984.75
n÷5
5661587.8
n2
801339410427721
n3
2.2684267148684E+22
n4
6.4214485070465E+29
n5
1.8177797262911E+37
2 √n
5320.5205572387
3 √n
304.76803647409
4 √n
72.941898503115
5 √n
30.930123224269
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
-28307938
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 28307939 can be divided by 4 positive divisors.
The sum of these divisors (counting 28307939) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011111111000111100011
3
Ternary
1222021012012012
4
Quaternary
1223333013203
5
Quinary
24221323224
6
Senary
2450423135
8
Octal
153770743
10
Decimal
28307939
12
Duodecimal
9591aab
16
Hexadecimal
1aff1e3
20
Vigesimal
8gi9gj
36
Base36
guqjn
md5
b68e43840f1be89af57452e91f6c4262
sha1
06c09a8ff341c1facce8dffab09f65e6e6c6dd90
sha256
6abd0d9ccd42ca9c018036eb1f5d90f84ef48b4ba28ead639f8708387b11f733
sha512
2ff9db66fbaa3457b6740103339bb11eff7daa094d8264213bb229b96f805a1d18872211501aeaf09d052224b4a8a9976998892845892089112aca69b6fa097c
ripemd-160
8efae7bc3ed813a3792f3aadb118d03cdeb58191
Diameter
56615878
Circumference
177864026.40134
Area
2.5174820048317E+15
Volume
9.5019636035165E+22
Surface area
1.0069928019327E+16
Circumference
177864026.40134
Perimeter
113231756
Area
801339410427721
Diagonal
40033471.25663
Surface area
4808036462566326
Volume
2.2684267148684E+22
Space diagonal
49030788.605561
Perimeter
84923817
Area
3.4699014324203E+14
Altitude
24515394.30278
Surface area
3.4699014324203E+14
Volume
2.6733665211803E+21
Height
13344490.418877