28508739 is an odd 8-digits composite number following 28508738
and preceding 28508740 . In scientific notation, it is written as 2.8508739 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 16290624 positive integers (up to 28508739) that are relatively prime to 28508739.
28508739 has 8 divisors, whose sum is 38787600
The reverse of 28508739 is 93780582
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million five hundred eight thousand seven hundred thirty-nine
Scientific notation
2.8508739 × 10^7
Engineering notation
2.8508739 × 10^6
Prime Factorization
3 × 49 × 193937
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28508739
Product of the distinct prime numbers
The prime factorization of 28508739 is 3 × 49 × 193937.
Since it has a total of 3 prime factors.
9 , 1 , 31 , 49 , 780 , 256 , 9257 , 4719 , 20832 , 28782 , 886389 , 346705 , 4998185 , 2985549 , 55306121 , 50410767 , 487098528 , 705189596 , 485068292 , 631543407
n×2
57017478
n×3
85526217
n×4
114034956
n×5
142543695
n÷2
14254369.5
n÷3
9502913
n÷3
7127184.75
n÷5
5701747.8
n2
812748199370121
n3
2.3170426288563E+22
n4
6.6055963557937E+29
n5
1.8831722244667E+37
2 √n
5339.3575456229
3 √n
305.4869548156
4 √n
73.070907655666
5 √n
30.973879296701
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
-28508738
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 28508739 can be divided by 8 positive divisors.
The sum of these divisors (counting 28508739) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100110000001001000011
3
Ternary
1222122101122020
4
Quaternary
1230300021003
5
Quinary
24244234424
6
Senary
2455012523
8
Octal
154601103
10
Decimal
28508739
12
Duodecimal
966a143
16
Hexadecimal
1b30243
20
Vigesimal
8i3bgj
36
Base36
gz1hf
md5
eda0f2ff00195bde28dad1ccebb55de2
sha1
0d46fa7210146f0a138dd3388312817aefb0cd56
sha256
7342d32461265dfa3ff51063f30cf48bda7111bb204a4e7473ea2f324fe51a4c
sha512
7106111852385123409fb8791d75cc21992801b63ebb633b5eba02b9fdb468453d0377415c1e25e748d3038550071fbd9a39444773918f3228d4c37c3a1188cf
ripemd-160
7ebf31c74a2d3d661b99982a14baf790530731eb
Diameter
57017478
Circumference
179125690.01102
Area
2.5533237723595E+15
Volume
9.7056054678257E+22
Surface area
1.0213295089438E+16
Circumference
179125690.01102
Perimeter
114034956
Area
812748199370121
Diagonal
40317445.339955
Surface area
4876489196220726
Volume
2.3170426288563E+22
Space diagonal
49378584.40772
Perimeter
85526217
Area
3.5193029376729E+14
Altitude
24689292.20386
Surface area
3.5193029376729E+14
Volume
2.730660925271E+21
Height
13439148.446652