28440140 is an even 8-digits composite number following 28440139
and preceding 28440141 . In scientific notation, it is written as 2.8440140 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 11376048 positive integers (up to 28440140) that are relatively prime to 28440140.
28440140 has 12 divisors, whose sum is 59724336
The reverse of 28440140 is 04104482
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-eight million four hundred forty thousand one hundred forty
Scientific notation
2.8440140 × 10^7
Engineering notation
2.8440140 × 10^6
Prime Factorization
2 × 2 × 5 × 1422007
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14220070
Product of the distinct prime numbers
The prime factorization of 28440140 is 2 × 2 × 5 × 1422007.
Since it has a total of 4 prime factors.
2 , 1 , 70 , 20 , 141 , 578 , 8330 , 6163 , 62633 , 92871 , 479395 , 979566 , 3352643 , 172438 , 10327241 , 56083275 , 891570556 , 447870836 , 5204955222 , 4650714216
n×2
56880280
n×3
85320420
n×4
113760560
n×5
142200700
n÷2
14220070
n÷3
9480046.6666667
n÷3
7110035
n÷5
5688028
n2
808841563219600
n3
2.3003567295784E+22
n4
6.5422467439153E+29
n5
1.8606241331149E+37
2 √n
5332.9297763987
3 √n
305.24173257433
4 √n
73.0269113163
5 √n
30.958958782701
1 , 2 , 4 , 5 , 10 , 20 , 1422007 , 2844014 , 5688028 , 7110035 , 14220070 , 28440140
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28440139
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28440140 can be divided by 12 positive divisors.
The sum of these divisors (counting 28440140) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101100011111011001001100
3
Ternary
1222111220112112
4
Quaternary
1230133121030
5
Quinary
24240041030
6
Senary
2453323152
8
Octal
154373114
10
Decimal
28440140
12
Duodecimal
96364b8
16
Hexadecimal
1b1f64c
20
Vigesimal
8hf070
36
Base36
gxkjw
md5
3711d0083477bc68270ac9d528858bb8
sha1
a3ea0f214635bae7bfb2178355f319c2ff0948c1
sha256
cf6dcec27b8aad82189812692489e79ce7773ec35a695c77dd81514087cd68be
sha512
ddb72caa73262ae6bda6890f1721c82f2ec8915ec1b5fd3cba6457bb92c8f020153c9560ad8b949f529f8cb6b9f5d295238ffb64adeed19e4c841d0fce022e0d
ripemd-160
0572492eeab6a8e8ec8f01c2fad3f11a49308b9a
Diameter
56880280
Circumference
178694669.78213
Area
2.5410507129288E+15
Volume
9.6357117363726E+22
Surface area
1.0164202851715E+16
Circumference
178694669.78213
Perimeter
113760560
Area
808841563219600
Diagonal
40220431.70379
Surface area
4853049379317600
Volume
2.3003567295784E+22
Space diagonal
49259767.454372
Perimeter
85320420
Area
3.5023867069245E+14
Altitude
24629883.727186
Surface area
3.5023867069245E+14
Volume
2.7109964043884E+21
Height
13406810.56793