28438481 is an odd 8-digits composite number following 28438480
and preceding 28438482 . In scientific notation, it is written as 2.8438481 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 28414464 positive integers (up to 28438481) that are relatively prime to 28438481.
28438481 has 4 divisors, whose sum is 28462500
The reverse of 28438481 is 18483482
Previous prime number is 1249
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million four hundred thirty-eight thousand four hundred eighty-one
Scientific notation
2.8438481 × 10^7
Engineering notation
2.8438481 × 10^6
Prime Factorization
1249 × 22769
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28438481
Product of the distinct prime numbers
The prime factorization of 28438481 is 1249 × 22769.
Since it has a total of 2 prime factors.
1 , 7 , 56 , 88 , 647 , 416 , 2807 , 9735 , 58200 , 15490 , 809243 , 77745 , 2708748 , 1868264 , 48126329 , 12355634 , 233674847 , 287251346 , 3747458429 , 6698730420
n×2
56876962
n×3
85315443
n×4
113753924
n×5
142192405
n÷2
14219240.5
n÷3
9479493.6666667
n÷3
7109620.25
n÷5
5687696.2
n2
808747201587361
n3
2.2999541926145E+22
n4
6.5407203607539E+29
n5
1.8600815170561E+37
2 √n
5332.7742311109
3 √n
305.23579723223
4 √n
73.025846322455
5 √n
30.958597588198
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
-28438480
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 28438481 can be divided by 4 positive divisors.
The sum of these divisors (counting 28438481) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100011110111111010001
3
Ternary
1222111211021002
4
Quaternary
1230132333101
5
Quinary
24240012411
6
Senary
2453311345
8
Octal
154367721
10
Decimal
28438481
12
Duodecimal
9635555
16
Hexadecimal
1b1efd1
20
Vigesimal
8heg41
36
Base36
gxj9t
md5
13926a4bc5dedb16c9e6ac1c7787e2f1
sha1
250c161c62aa4d4a9180f54e558f3e4fabbd9663
sha256
b0cf305ad192f2366de97f4c12614af1a566e3b263242bcdcaf031724e11f0d9
sha512
cd92de554d191087c529f4455aaf30d49a7ac6c1065eda222f39f9cce2284ab51871add87dfb56452ff07fde9d9e96e9eff57e4a706ed650ddfac4f4e6e8166c
ripemd-160
21716d0134b7c02763068fce5109cb25f110753b
Diameter
56876962
Circumference
178684245.97771
Area
2.5407542671182E+15
Volume
9.6340255934812E+22
Surface area
1.0163017068473E+16
Circumference
178684245.97771
Perimeter
113753924
Area
808747201587361
Diagonal
40218085.52349
Surface area
4852483209524166
Volume
2.2999541926145E+22
Space diagonal
49256893.982082
Perimeter
85315443
Area
3.5019781090711E+14
Altitude
24628446.991041
Surface area
3.5019781090711E+14
Volume
2.7105220100269E+21
Height
13406028.50783