28405958 is an even 8-digits composite number following 28405957
and preceding 28405959 . In scientific notation, it is written as 2.8405958 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 12055176 positive integers (up to 28405958) that are relatively prime to 28405958.
28405958 has 16 divisors, whose sum is 49171200
The reverse of 28405958 is 85950482
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million four hundred five thousand nine hundred fifty-eight
Scientific notation
2.8405958 × 10^7
Engineering notation
2.8405958 × 10^6
Prime Factorization
2 × 103 × 7 × 19699
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28405958
Product of the distinct prime numbers
The prime factorization of 28405958 is 2 × 103 × 7 × 19699.
Since it has a total of 4 prime factors.
8 , 2 , 13 , 41 , 212 , 747 , 6437 , 868 , 74727 , 56577 , 832927 , 594769 , 8926213 , 4247295 , 11580272 , 70119292 , 239289155 , 919449061 , 4017702219 , 5937254775
n×2
56811916
n×3
85217874
n×4
113623832
n×5
142029790
n÷2
14202979
n÷3
9468652.6666667
n÷3
7101489.5
n÷5
5681191.6
n2
806898449897764
n3
2.2920723478061E+22
n4
6.5108510844741E+29
n5
1.8494696244983E+37
2 √n
5329.7240078638
3 √n
305.11939426671
4 √n
73.00495878955
5 √n
30.951513332346
1 , 2 , 7 , 14 , 103 , 206 , 721 , 1442 , 19699 , 39398 , 137893 , 275786 , 2028997 , 4057994 , 14202979 , 28405958
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28405957
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28405958 can be divided by 16 positive divisors.
The sum of these divisors (counting 28405958) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100010111000011000110
3
Ternary
1222110011122112
4
Quaternary
1230113003012
5
Quinary
24232442313
6
Senary
2452501022
8
Octal
154270306
10
Decimal
28405958
12
Duodecimal
961a772
16
Hexadecimal
1b170c6
20
Vigesimal
8haehi
36
Base36
gwu6e
md5
771a9fdfc3b314ede06c243d510ba958
sha1
4de0dcb3d55edef229bf5279186c6ba57474c3f3
sha256
14e1492731697a019bae4d59f2b3696c80a62157102e2ccd627af52adc8ac58e
sha512
772e55c4f308b1eafe546a6e9e6dc2c8363e48ed00701437d4c0e88c82c24d3e9ecaba6bc434da3ed230d679cc53396037618e1170a5fef795a5bcd31cfe23e8
ripemd-160
a5ac079f6df94c3234ec0c38b463b16dc345b682
Diameter
56811916
Circumference
178479897.94196
Area
2.5349462423918E+15
Volume
9.6010101991519E+22
Surface area
1.0139784969567E+16
Circumference
178479897.94196
Perimeter
113623832
Area
806898449897764
Diagonal
40172091.055801
Surface area
4841390699386584
Volume
2.2920723478061E+22
Space diagonal
49200562.493668
Perimeter
85217874
Area
3.4939727794287E+14
Altitude
24600281.246834
Surface area
3.4939727794287E+14
Volume
2.7012331668398E+21
Height
13390697.0186