28741489 is an odd 8-digits composite number following 28741488
and preceding 28741490 . In scientific notation, it is written as 2.8741489 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors.
There are 23556960 positive integers (up to 28741489) that are relatively prime to 28741489.
28741489 has 24 divisors, whose sum is 34933248
The reverse of 28741489 is 98414782
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million seven hundred forty-one thousand four hundred eighty-nine
Scientific notation
2.8741489 × 10^7
Engineering notation
2.8741489 × 10^6
Prime Factorization
37 × 7 × 7 × 83 × 191
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4105927
Product of the distinct prime numbers
The prime factorization of 28741489 is 37 × 7 × 7 × 83 × 191.
Since it has a total of 5 prime factors.
9 , 1 , 49 , 20 , 895 , 445 , 9661 , 6562 , 17580 , 58573 , 526083 , 250663 , 6953848 , 2716452 , 45350179 , 78573509 , 204993343 , 482141356 , 5487602875 , 823924033
n×2
57482978
n×3
86224467
n×4
114965956
n×5
143707445
n÷2
14370744.5
n÷3
9580496.3333333
n÷3
7185372.25
n÷5
5748297.8
n2
826073189937121
n3
2.3742573501773E+22
n4
6.8239691513289E+29
n5
1.9613103429926E+37
2 √n
5361.1089337935
3 √n
306.31605105941
4 √n
73.219593919889
5 √n
31.024290101175
1 , 7 , 37 , 49 , 83 , 191 , 259 , 581 , 1337 , 1813 , 3071 , 4067 , 7067 , 9359 , 15853 , 21497 , 49469 , 110971 , 150479 , 346283 , 586561 , 776797 , 4105927 , 28741489
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
-28741488
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 28741489 can be divided by 24 positive divisors.
The sum of these divisors (counting 28741489) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101101101000111101110001
3
Ternary
2000002012220121
4
Quaternary
1231220331301
5
Quinary
24324211424
6
Senary
2504010241
8
Octal
155507561
10
Decimal
28741489
12
Duodecimal
9760981
16
Hexadecimal
1b68f71
20
Vigesimal
8jcde9
36
Base36
h412p
md5
d681ebfccbe68db479b852611c01528a
sha1
130d3d65bd3b1408290d2297044bbef811e09738
sha256
09dbe50431f108964781797b91a4f12cd2112f7fb6384838e1e7d52b32942b48
sha512
aeafe44028b6315f19b5c920e955fd80bcf822305aad4dc2894561391a107688b31f64cea67c9f955070fd7c05f7b9058b49e33f353b46a8d1c2e4791c2830db
ripemd-160
9bfb7ecc8cb0ffda22f0cb676b0d9faefdeb43a5
Diameter
57482978
Circumference
180588101.39126
Area
2.5951854648339E+15
Volume
9.9452659320646E+22
Surface area
1.0380741859336E+16
Circumference
180588101.39126
Perimeter
114965956
Area
826073189937121
Diagonal
40646603.546597
Surface area
4956439139622726
Volume
2.3742573501773E+22
Space diagonal
49781719.233182
Perimeter
86224467
Area
3.577001839354E+14
Altitude
24890859.616591
Surface area
3.577001839354E+14
Volume
2.7980891209872E+21
Height
13548867.848866