28758440 is an even 8-digits composite number following 28758439
and preceding 28758441 . In scientific notation, it is written as 2.8758440 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors.
There are 11461632 positive integers (up to 28758440) that are relatively prime to 28758440.
28758440 has 32 divisors, whose sum is 64941480
The reverse of 28758440 is 04485782
Previous prime number is 2297
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million seven hundred fifty-eight thousand four hundred forty
Scientific notation
2.8758440 × 10^7
Engineering notation
2.8758440 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 2297 × 313
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7189610
Product of the distinct prime numbers
The prime factorization of 28758440 is 2 × 2 × 2 × 5 × 2297 × 313.
Since it has a total of 6 prime factors.
4 , 6 , 2 , 10 , 570 , 169 , 6018 , 6008 , 92174 , 94214 , 526680 , 525832 , 1036878 , 9128693 , 55190308 , 96687225 , 59870412 , 200802056 , 3412188801 , 1013131932
n×2
57516880
n×3
86275320
n×4
115033760
n×5
143792200
n÷2
14379220
n÷3
9586146.6666667
n÷3
7189610
n÷5
5751688
n2
827047871233600
n3
2.3784606581999E+22
n4
6.8400818131203E+29
n5
1.9671008241771E+37
2 √n
5362.689623687
3 √n
306.37625836624
4 √n
73.230387297125
5 √n
31.027948705794
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 313 , 626 , 1252 , 1565 , 2297 , 2504 , 3130 , 4594 , 6260 , 9188 , 11485 , 12520 , 18376 , 22970 , 45940 , 91880 , 718961 , 1437922 , 2875844 , 3594805 , 5751688 , 7189610 , 14379220 , 28758440
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
-28758439
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 28758440 can be divided by 32 positive divisors.
The sum of these divisors (counting 28758440) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101101101000110101000
3
Ternary
2000010002011102
4
Quaternary
1231231012220
5
Quinary
24330232230
6
Senary
2504220532
8
Octal
155550650
10
Decimal
28758440
12
Duodecimal
976a748
16
Hexadecimal
1b6d1a8
20
Vigesimal
8jeg20
36
Base36
h4e5k
md5
53157bc9717f9c7596b5f6508f67b504
sha1
060b4be587b31b083cc9a05b30dd0a3297283501
sha256
dd3a7069d66b817350100dd26c7880c23863cd80b2051ee7d66081795b469115
sha512
a9db63404836c4df8e7a667fcec23fdfb2a717bf1ca8f301b92b2cc6ee6c9fba96839d77de2b28a7858cd4f07177306e5f56c0aa67b762ed4efd59bd8ba6e685
ripemd-160
11ba7292fb516c8625f2fc9eb7751bb35f446377
Diameter
57516880
Circumference
180694607.66541
Area
2.5982475164346E+15
Volume
9.9628727075376E+22
Surface area
1.0392990065738E+16
Circumference
180694607.66541
Perimeter
115033760
Area
827047871233600
Diagonal
40670575.880693
Surface area
4962287227401600
Volume
2.3784606581999E+22
Space diagonal
49811079.226421
Perimeter
86275320
Area
3.5812223331707E+14
Altitude
24905539.613211
Surface area
3.5812223331707E+14
Volume
2.8030427669976E+21
Height
13556858.626898