28497557 is an odd 8-digits composite number following 28497556
and preceding 28497558 . In scientific notation, it is written as 2.8497557 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 25350600 positive integers (up to 28497557) that are relatively prime to 28497557.
28497557 has 12 divisors, whose sum is 31996608
The reverse of 28497557 is 75579482
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million four hundred ninety-seven thousand five hundred fifty-seven
Scientific notation
2.8497557 × 10^7
Engineering notation
2.8497557 × 10^6
Prime Factorization
11 × 11 × 47 × 5011
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2590687
Product of the distinct prime numbers
The prime factorization of 28497557 is 11 × 11 × 47 × 5011.
Since it has a total of 4 prime factors.
9 , 3 , 80 , 16 , 465 , 540 , 1759 , 9693 , 83555 , 87920 , 428635 , 837591 , 715571 , 9108868 , 94963483 , 82127736 , 146029272 , 601610205 , 7519575413 , 6485003224
n×2
56995114
n×3
85492671
n×4
113990228
n×5
142487785
n÷2
14248778.5
n÷3
9499185.6666667
n÷3
7124389.25
n÷5
5699511.4
n2
812110754968249
n3
2.3143172530021E+22
n4
6.595238783351E+29
n5
1.8794819315716E+37
2 √n
5338.3103131984
3 √n
305.44700914794
4 √n
73.063741439912
5 √n
30.971449134703
1 , 11 , 47 , 121 , 517 , 5011 , 5687 , 55121 , 235517 , 606331 , 2590687 , 28497557
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28497556
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28497557 can be divided by 12 positive divisors.
The sum of these divisors (counting 28497557) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101100101101011010010101
3
Ternary
1222121211022002
4
Quaternary
1230231122111
5
Quinary
24243410212
6
Senary
2454445045
8
Octal
154553225
10
Decimal
28497557
12
Duodecimal
9663785
16
Hexadecimal
1b2d695
20
Vigesimal
8i23hh
36
Base36
gysut
md5
8df58a7a2855f57628c227f99ddbe2ac
sha1
73bd68b38f67f26a3476c470f45d3c42cd0cd7d4
sha256
39ee3e76ee8ed97295823343f3e61323d30b19096bedf9ae752bf7e714b231e4
sha512
e98cb381bcaf9f245c7a45a71aa4eaf61e84cff36020fcd0eb82ec1e8969f14696ad8c6cf28a49d26c256a11138ebbda3f9919acef8128e873e485290c0e486a
ripemd-160
7e004d9e814d02b3967f86535399de88e389c03c
Diameter
56995114
Circumference
179055431.43291
Area
2.5513211817095E+15
Volume
9.6941894401432E+22
Surface area
1.0205284726838E+16
Circumference
179055431.43291
Perimeter
113990228
Area
812110754968249
Diagonal
40301631.6039
Surface area
4872664529809494
Volume
2.3143172530021E+22
Space diagonal
49359216.61559
Perimeter
85492671
Area
3.5165427224453E+14
Altitude
24679608.307795
Surface area
3.5165427224453E+14
Volume
2.7274490390246E+21
Height
13433877.2013