28109780 is an even 8-digits composite number following 28109779
and preceding 28109781 . In scientific notation, it is written as 2.8109780 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 11100960 positive integers (up to 28109780) that are relatively prime to 28109780.
28109780 has 24 divisors, whose sum is 59781120
The reverse of 28109780 is 08790182
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million one hundred nine thousand seven hundred eighty
Scientific notation
2.8109780 × 10^7
Engineering notation
2.8109780 × 10^6
Prime Factorization
2 × 2 × 5 × 79 × 17791
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14054890
Product of the distinct prime numbers
The prime factorization of 28109780 is 2 × 2 × 5 × 79 × 17791.
Since it has a total of 5 prime factors.
9 , 10 , 1 , 21 , 530 , 103 , 5395 , 7300 , 80840 , 94195 , 433478 , 26224 , 3783920 , 1550126 , 60907706 , 20774747 , 735215625 , 343799160 , 9449595753 , 1495851851
n×2
56219560
n×3
84329340
n×4
112439120
n×5
140548900
n÷2
14054890
n÷3
9369926.6666667
n÷3
7027445
n÷5
5621956
n2
790159731648400
n3
2.2211216221496E+22
n4
6.2435240151867E+29
n5
1.7550408649162E+37
2 √n
5301.8657093518
3 √n
304.05523292365
4 √n
72.813911509764
5 √n
30.88669854082
1 , 2 , 4 , 5 , 10 , 20 , 79 , 158 , 316 , 395 , 790 , 1580 , 17791 , 35582 , 71164 , 88955 , 177910 , 355820 , 1405489 , 2810978 , 5621956 , 7027445 , 14054890 , 28109780
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28109779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28109780 can be divided by 24 positive divisors.
The sum of these divisors (counting 28109780) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011001110101111010100
3
Ternary
1221220010100222
4
Quaternary
1223032233110
5
Quinary
24144003110
6
Senary
2442253512
8
Octal
153165724
10
Decimal
28109780
12
Duodecimal
94b7298
16
Hexadecimal
1acebd4
20
Vigesimal
8fde90
36
Base36
gqhn8
md5
3be383e32433eb553674d1d2a4f65430
sha1
926e6c0f7f35bd5cb718048e2fd6ce15a6e14e3a
sha256
30ba6e3ae013d6a91637fc538aa5331d12cae89a8b911516bef549fe55f71e9a
sha512
654f1da7378988b9ffb8f5a6c9bfa17c423ff6884bbddd02d2a95855051b5955cb29188cd2e0978b78902b00883c01409b82373b14c07444516ae79436d795c1
ripemd-160
509922e675d5879dbaea6546b5c8ccfcfe39935c
Diameter
56219560
Circumference
176618956.68405
Area
2.4823600081091E+15
Volume
9.3038124944993E+22
Surface area
9.9294400324364E+15
Circumference
176618956.68405
Perimeter
112439120
Area
790159731648400
Diagonal
39753232.111324
Surface area
4740958389890400
Volume
2.2211216221496E+22
Space diagonal
48687567.149583
Perimeter
84329340
Area
3.421492003275E+14
Altitude
24343783.574792
Surface area
3.421492003275E+14
Volume
2.61761693477E+21
Height
13251077.370441