28856789 is an odd 8-digits composite number following 28856788
and preceding 28856790 . In scientific notation, it is written as 2.8856789 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 25204608 positive integers (up to 28856789) that are relatively prime to 28856789.
28856789 has 8 divisors, whose sum is 30166080
The reverse of 28856789 is 98765882
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
twenty-eight million eight hundred fifty-six thousand seven hundred eighty-nine
Scientific notation
2.8856789 × 10^7
Engineering notation
2.8856789 × 10^6
Prime Factorization
1339 × 23 × 937
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28856789
Product of the distinct prime numbers
The prime factorization of 28856789 is 1339 × 23 × 937.
Since it has a total of 3 prime factors.
9 , 3 , 50 , 87 , 228 , 942 , 8181 , 5470 , 47195 , 35753 , 951259 , 744298 , 4483539 , 7639255 , 28780789 , 44720882 , 976369761 , 726569961 , 5444968396 , 600074810
n×2
57713578
n×3
86570367
n×4
115427156
n×5
144283945
n÷2
14428394.5
n÷3
9618929.6666667
n÷3
7214197.25
n÷5
5771357.8
n2
832714271390521
n3
2.4029460026805E+22
n4
6.9341305777745E+29
n5
2.0009674298129E+37
2 √n
5371.8515429971
3 √n
306.72511265265
4 √n
73.292916049214
5 √n
31.04914180204
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28856788
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28856789 can be divided by 8 positive divisors.
The sum of these divisors (counting 28856789) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110000101000111010101
3
Ternary
2000022002001222
4
Quaternary
1232011013111
5
Quinary
24341404124
6
Senary
2510300125
8
Octal
156050725
10
Decimal
28856789
12
Duodecimal
97b7645
16
Hexadecimal
1b851d5
20
Vigesimal
9071j9
36
Base36
h6i1h
md5
d035b29d7cfa152f7c563f02eb7084f7
sha1
0cf43fd36c73418aab6655f7213d31288f43b777
sha256
fb6d4d9eb3316f2cbe1f7b2a6a0ac5ba4604637c996fa53b9ef696a80f7fd8f5
sha512
a10a263ea22ef7dc7abe6d14e5f0321d12a6477ad76d86198bedab8c6005681be3691a6368019124901410c7815671091ba2296644bb0ed05ec4b5109247face
ripemd-160
11247425f392e4348f66e284f06b4b01b4e3e854
Diameter
57713578
Circumference
181312552.65718
Area
2.6160490375398E+15
Volume
1.0065436678659E+23
Surface area
1.0464196150159E+16
Circumference
181312552.65718
Perimeter
115427156
Area
832714271390521
Diagonal
40809662.370339
Surface area
4996285628343126
Volume
2.4029460026805E+22
Space diagonal
49981424.691295
Perimeter
86570367
Area
3.6057585655902E+14
Altitude
24990712.345647
Surface area
3.6057585655902E+14
Volume
2.8318990222008E+21
Height
13603220.790113