28390680 is an even 8-digits composite number following 28390679
and preceding 28390681 . In scientific notation, it is written as 2.8390680 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors.
There are 7123968 positive integers (up to 28390680) that are relatively prime to 28390680.
28390680 has 32 divisors, whose sum is 59856000
The reverse of 28390680 is 08609382
Previous prime number is 85
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million three hundred ninety thousand six hundred eighty
Scientific notation
2.8390680 × 10^7
Engineering notation
2.8390680 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 85 × 4639
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7097670
Product of the distinct prime numbers
The prime factorization of 28390680 is 2 × 2 × 2 × 9 × 85 × 4639.
Since it has a total of 6 prime factors.
9 , 5 , 44 , 86 , 422 , 660 , 4810 , 8552 , 62489 , 22753 , 334694 , 88957 , 6796473 , 6135094 , 92040707 , 6966785 , 551967279 , 752536789 , 9713640320 , 7178892647
n×2
56781360
n×3
85172040
n×4
113562720
n×5
141953400
n÷2
14195340
n÷3
9463560
n÷3
7097670
n÷5
5678136
n2
806030710862400
n3
2.2883759982267E+22
n4
6.4968550685335E+29
n5
1.8445013325711E+37
2 √n
5328.2905326193
3 √n
305.064682152
4 √n
72.995140472632
5 √n
30.948183193032
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 85 , 170 , 340 , 680 , 765 , 1530 , 3060 , 4639 , 6120 , 9278 , 18556 , 37112 , 41751 , 83502 , 167004 , 334008 , 394315 , 788630 , 1577260 , 3154520 , 3548835 , 7097670 , 14195340 , 28390680
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28390679
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28390680 can be divided by 32 positive divisors.
The sum of these divisors (counting 28390680) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101100010011010100011000
3
Ternary
1222102101200200
4
Quaternary
1230103110120
5
Quinary
24232000210
6
Senary
2452302200
8
Octal
154232430
10
Decimal
28390680
12
Duodecimal
9611960
16
Hexadecimal
1b13518
20
Vigesimal
8h8ge0
36
Base36
gwie0
md5
ee36940ecb3e87c774e80c9126aa47df
sha1
05757926b8a6a3c36a241ebd0abaf5e9b8906838
sha256
3b13992a973135fc6e98a84fdcc20177fb5ce75c0ed44b9e119e033ab6e8b596
sha512
a6cfe7148686f3db68776635292e5569ce6f38077f1221fb659570e3cffa26b17e6145b71cb3bddfecebadfe14164f993f79cac0f314febb19a628fea12c1740
ripemd-160
55e04bc5d988ecd2e19a46fb30b9e8f667c06d71
Diameter
56781360
Circumference
178383903.43684
Area
2.5322201598131E+15
Volume
9.5855269662402E+22
Surface area
1.0128880639252E+16
Circumference
178383903.43684
Perimeter
113562720
Area
806030710862400
Diagonal
40150484.700995
Surface area
4836184265174400
Volume
2.2883759982267E+22
Space diagonal
49174100.22143
Perimeter
85172040
Area
3.4902153591863E+14
Altitude
24587050.110715
Surface area
3.4902153591863E+14
Volume
2.6968769770844E+21
Height
13383494.900332