28367989 is an odd 8-digits composite number following 28367988
and preceding 28367990 . In scientific notation, it is written as 2.8367989 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 25387200 positive integers (up to 28367989) that are relatively prime to 28367989.
28367989 has 16 divisors, whose sum is 31497984
The reverse of 28367989 is 98976382
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million three hundred sixty-seven thousand nine hundred eighty-nine
Scientific notation
2.8367989 × 10^7
Engineering notation
2.8367989 × 10^6
Prime Factorization
13 × 83 × 61 × 431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28367989
Product of the distinct prime numbers
The prime factorization of 28367989 is 13 × 83 × 61 × 431.
Since it has a total of 4 prime factors.
3 , 5 , 8 , 81 , 287 , 236 , 2967 , 5347 , 44270 , 45266 , 161603 , 176069 , 3588744 , 2740905 , 71703789 , 82215946 , 68249555 , 206025463 , 5955778716 , 3174980485
n×2
56735978
n×3
85103967
n×4
113471956
n×5
141839945
n÷2
14183994.5
n÷3
9455996.3333333
n÷3
7091997.25
n÷5
5673597.8
n2
804742799904121
n3
2.2828934895509E+22
n4
6.4761097399752E+29
n5
1.8371420986641E+37
2 √n
5326.1608124427
3 √n
304.98338707328
4 √n
72.980550919013
5 √n
30.943234598367
1 , 13 , 61 , 83 , 431 , 793 , 1079 , 5063 , 5603 , 26291 , 35773 , 65819 , 341783 , 465049 , 2182153 , 28367989
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
-28367988
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 28367989 can be divided by 16 positive divisors.
The sum of these divisors (counting 28367989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100001101110001110101
3
Ternary
1222101020120021
4
Quaternary
1230031301311
5
Quinary
24230233424
6
Senary
2452005141
8
Octal
154156165
10
Decimal
28367989
12
Duodecimal
96007b1
16
Hexadecimal
1b0dc75
20
Vigesimal
8h5jj9
36
Base36
gw0vp
md5
0ca317cee7ed1361a86b5fcd4dbb9ef9
sha1
4633d16effd81ad6d489926869382d53bc68b41f
sha256
afd453853cfb6d51b5b5b7f59af6b6b3585565b9c3dfe6dad08e9a712f2b3a3b
sha512
0ee47044e133da79ef37bd9a45aa204c930b07366a588d45f3acbb835801fffe478c44f6f968cdfb82f2c43051c3f232f187ad85fcc5061d60ab682a285c49ba
ripemd-160
67244f85294dd9be691a600caaabfb823ab550f6
Diameter
56735978
Circumference
178241331.67903
Area
2.5281740682081E+15
Volume
9.5625618876016E+22
Surface area
1.0112696272832E+16
Circumference
178241331.67903
Perimeter
113471956
Area
804742799904121
Diagonal
40118394.781051
Surface area
4828456799424726
Volume
2.2828934895509E+22
Space diagonal
49134798.256555
Perimeter
85103967
Area
3.4846385411479E+14
Altitude
24567399.128278
Surface area
3.4846385411479E+14
Volume
2.6904157786468E+21
Height
13372798.26035