28455871 is an odd 8-digits composite number following 28455870
and preceding 28455872 . In scientific notation, it is written as 2.8455871 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 28264744 positive integers (up to 28455871) that are relatively prime to 28455871.
28455871 has 4 divisors, whose sum is 28647000
The reverse of 28455871 is 17855482
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million four hundred fifty-five thousand eight hundred seventy-one
Scientific notation
2.8455871 × 10^7
Engineering notation
2.8455871 × 10^6
Prime Factorization
149 × 190979
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28455871
Product of the distinct prime numbers
The prime factorization of 28455871 is 149 × 190979.
Since it has a total of 2 prime factors.
2 , 9 , 91 , 31 , 611 , 38 , 6151 , 3325 , 62874 , 43521 , 553055 , 486055 , 5911559 , 4789940 , 51559800 , 67380357 , 692340502 , 23662694 , 3497655208 , 5243688367
n×2
56911742
n×3
85367613
n×4
113823484
n×5
142279355
n÷2
14227935.5
n÷3
9485290.3333333
n÷3
7113967.75
n÷5
5691174.2
n2
809736594368641
n3
2.3041760073333E+22
n4
6.5567335225973E+29
n5
1.865775633004E+37
2 √n
5334.4044653551
3 √n
305.29800131563
4 √n
73.037007505477
5 √n
30.962382870373
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28455870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28455871 can be divided by 4 positive divisors.
The sum of these divisors (counting 28455871) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100100011001110111111
3
Ternary
1222112201010011
4
Quaternary
1230203032333
5
Quinary
24241041441
6
Senary
2453524051
8
Octal
154431677
10
Decimal
28455871
12
Duodecimal
9643627
16
Hexadecimal
1b233bf
20
Vigesimal
8hgjdb
36
Base36
gxwov
md5
e21977d91615708d82c3d2ffe6b2ff73
sha1
85ee4bca06d92450291bf6215afdd753d4c3247d
sha256
a1b779c0721263ef8d69713af06c6e17fd59f570a4a7aefbd7f4c10f4f5cd0ec
sha512
d63f37cbe2745d64e2b62a32d532aef97596b4d14b14234ddcade2d77097ed6e1b06188a2591ce5892d9de40771c024c73aaabab9096759cc665db4cb9bb1f22
ripemd-160
f30e17ab0289ee29550639f88e9038d80403494e
Diameter
56911742
Circumference
178793510.5702
Area
2.5438625362113E+15
Volume
9.6517098896217E+22
Surface area
1.0175450144845E+16
Circumference
178793510.5702
Perimeter
113823484
Area
809736594368641
Diagonal
40242678.697339
Surface area
4858419566211846
Volume
2.3041760073333E+22
Space diagonal
49287014.345626
Perimeter
85367613
Area
3.5062623054857E+14
Altitude
24643507.172813
Surface area
3.5062623054857E+14
Volume
2.7154974663879E+21
Height
13414226.232446