28508730 is an even 8-digits composite number following 28508729
and preceding 28508731 . In scientific notation, it is written as 2.8508730 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 7166016 positive integers (up to 28508730) that are relatively prime to 28508730.
28508730 has 32 divisors, whose sum is 48291840
The reverse of 28508730 is 03780582
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million five hundred eight thousand seven hundred thirty
Scientific notation
2.8508730 × 10^7
Engineering notation
2.8508730 × 10^6
Prime Factorization
2 × 15 × 23 × 79 × 523
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28508730
Product of the distinct prime numbers
The prime factorization of 28508730 is 2 × 15 × 23 × 79 × 523.
Since it has a total of 5 prime factors.
6 , 8 , 24 , 32 , 374 , 668 , 2438 , 1705 , 80378 , 71691 , 977742 , 413368 , 5063965 , 6154918 , 67779232 , 53761567 , 643615330 , 741144629 , 7080935552 , 7863104410
n×2
57017460
n×3
85526190
n×4
114034920
n×5
142543650
n÷2
14254365
n÷3
9502910
n÷3
7127182.5
n÷5
5701746
n2
812747686212900
n3
2.3170404344368E+22
n4
6.6055880144442E+29
n5
1.8831692519503E+37
2 √n
5339.3567028248
3 √n
305.48692266893
4 √n
73.070901888678
5 √n
30.973877341055
1 , 2 , 15 , 23 , 30 , 46 , 79 , 158 , 345 , 523 , 690 , 1046 , 1185 , 1817 , 2370 , 3634 , 7845 , 12029 , 15690 , 24058 , 27255 , 41317 , 54510 , 82634 , 180435 , 360870 , 619755 , 950291 , 1239510 , 1900582 , 14254365 , 28508730
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
-28508729
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 28508730 can be divided by 32 positive divisors.
The sum of these divisors (counting 28508730) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101100110000001000111010
3
Ternary
1222122101121220
4
Quaternary
1230300020322
5
Quinary
24244234410
6
Senary
2455012510
8
Octal
154601072
10
Decimal
28508730
12
Duodecimal
966a136
16
Hexadecimal
1b3023a
20
Vigesimal
8i3bga
36
Base36
gz1h6
md5
0a502d22ef2da8866dfab981d4030a8b
sha1
f2d88dcb42130a7ae1ca39da3a3e607434c9491a
sha256
6081cfe68a9b8e23e120983050b92f4354c1ee113f2d74d7a05a83d5d5c65340
sha512
eb193e6c2826af97f7e9e4734bcfcacf261e2caa992178d60aa87d8e7ded57a5ca7dd49e7d8a0ac50ec380f6fab7d68877fcc1abaa2ece440a286af3dc560252
ripemd-160
d828be80c47556b2804bfeb69318896e77e1b516
Diameter
57017460
Circumference
179125633.46235
Area
2.5533221602285E+15
Volume
9.705596275863E+22
Surface area
1.0213288640914E+16
Circumference
179125633.46235
Perimeter
114034920
Area
812747686212900
Diagonal
40317432.612033
Surface area
4876486117277400
Volume
2.3170404344368E+22
Space diagonal
49378568.819263
Perimeter
85526190
Area
3.519300715637E+14
Altitude
24689284.409632
Surface area
3.519300715637E+14
Volume
2.7306583391228E+21
Height
13439144.204011