28447621 is an odd 8-digits composite number following 28447620
and preceding 28447622 . In scientific notation, it is written as 2.8447621 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 28300032 positive integers (up to 28447621) that are relatively prime to 28447621.
28447621 has 4 divisors, whose sum is 28595212
The reverse of 28447621 is 12674482
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million four hundred forty-seven thousand six hundred twenty-one
Scientific notation
2.8447621 × 10^7
Engineering notation
2.8447621 × 10^6
Prime Factorization
193 × 147397
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28447621
Product of the distinct prime numbers
The prime factorization of 28447621 is 193 × 147397.
Since it has a total of 2 prime factors.
9 , 7 , 92 , 8 , 124 , 204 , 2079 , 4976 , 34650 , 79311 , 757421 , 888115 , 1812313 , 8326472 , 5831157 , 73747892 , 670300452 , 758067208 , 2994117822 , 7780292863
n×2
56895242
n×3
85342863
n×4
113790484
n×5
142238105
n÷2
14223810.5
n÷3
9482540.3333333
n÷3
7111905.25
n÷5
5689524.2
n2
809267140559641
n3
2.3021724902394E+22
n4
6.5491330478958E+29
n5
1.8630725482511E+37
2 √n
5333.6311271028
3 √n
305.26849420079
4 √n
73.031713160125
5 √n
30.960587323247
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
-28447620
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 28447621 can be divided by 4 positive divisors.
The sum of these divisors (counting 28447621) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100100001001110000101
3
Ternary
1222112021210121
4
Quaternary
1230201032011
5
Quinary
24240310441
6
Senary
2453421541
8
Octal
154411605
10
Decimal
28447621
12
Duodecimal
963a8b1
16
Hexadecimal
1b21385
20
Vigesimal
8hfj11
36
Base36
gxqbp
md5
51611cb0b804c243b479b937d567aeb2
sha1
3df2c52ba06643c453c463843c833ae36609c430
sha256
5b542c95e04c1a5bec711617800e24dd9b18d10fa3d9e84c3dc8d0927d224ca8
sha512
b7548a31a88eefd8064c424161ecde716d4ce26778f44df4aaa11fb9ae339f894789b5240f1d6c881afad01b6080141370aa4b8ded0787a6defe2d25cb9dfdec
ripemd-160
b1410ad371447588620a906ecc50dc243f376338
Diameter
56895242
Circumference
178741674.29141
Area
2.5423877035738E+15
Volume
9.6433175768437E+22
Surface area
1.0169550814295E+16
Circumference
178741674.29141
Perimeter
113790484
Area
809267140559641
Diagonal
40231011.43545
Surface area
4855602843357846
Volume
2.3021724902394E+22
Space diagonal
49272724.926463
Perimeter
85342863
Area
3.5042295108632E+14
Altitude
24636362.463232
Surface area
3.5042295108632E+14
Volume
2.713136298849E+21
Height
13410337.14515