28861009 is an odd 8-digits composite number following 28861008
and preceding 28861010 . In scientific notation, it is written as 2.8861009 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 28185696 positive integers (up to 28861009) that are relatively prime to 28861009.
28861009 has 8 divisors, whose sum is 29544480
The reverse of 28861009 is 90016882
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million eight hundred sixty-one thousand nine
Scientific notation
2.8861009 × 10^7
Engineering notation
2.8861009 × 10^6
Prime Factorization
83 × 89 × 3907
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28861009
Product of the distinct prime numbers
The prime factorization of 28861009 is 83 × 89 × 3907.
Since it has a total of 3 prime factors.
2 , 2 , 68 , 17 , 531 , 200 , 548 , 37 , 57763 , 14320 , 509322 , 171553 , 3724828 , 9618177 , 54719807 , 79849010 , 52683507 , 764842307 , 1563883146 , 2732284671
n×2
57722018
n×3
86583027
n×4
115444036
n×5
144305045
n÷2
14430504.5
n÷3
9620336.3333333
n÷3
7215252.25
n÷5
5772201.8
n2
832957840498081
n3
2.4040003731236E+22
n4
6.9381876404723E+29
n5
2.0024309593536E+37
2 √n
5372.2443168568
3 √n
306.74006369108
4 √n
73.295595480607
5 √n
31.050049870602
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
-28861008
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 28861009 can be divided by 8 positive divisors.
The sum of these divisors (counting 28861009) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110000110001001010001
3
Ternary
2000022021212021
4
Quaternary
1232012021101
5
Quinary
24342023014
6
Senary
2510331441
8
Octal
156061121
10
Decimal
28861009
12
Duodecimal
97b9b81
16
Hexadecimal
1b86251
20
Vigesimal
907ca9
36
Base36
h6lap
md5
25d981a0546ab4608ad25360a10fb1d0
sha1
2e0eb19aaebddabff0f9c07c465db687083ca790
sha256
c9dfb703e700f5766e34adfb6140de5348c7a7418fd79c30bf20fe99d9da80d7
sha512
dd0b739fcf032fc62c3fc8f9ca80eeabab7db23c5d1441b484ad4031350ca738b698595d504f8451436ffc01306ac14ccb944d8119fba857254873604d11d79e
ripemd-160
ab1cc6078b3cfc635f586cb5ee686b40ca385eef
Diameter
57722018
Circumference
181339067.69918
Area
2.6168142324588E+15
Volume
1.0069853215243E+23
Surface area
1.0467256929835E+16
Circumference
181339067.69918
Perimeter
115444036
Area
832957840498081
Diagonal
40815630.351572
Surface area
4997747042988486
Volume
2.4040003731236E+22
Space diagonal
49988733.945703
Perimeter
86583027
Area
3.6068132507638E+14
Altitude
24994366.972851
Surface area
3.6068132507638E+14
Volume
2.8331416096844E+21
Height
13605210.117191