28488172 is an even 8-digits composite number following 28488171
and preceding 28488173 . In scientific notation, it is written as 2.8488172 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 14202576 positive integers (up to 28488172) that are relatively prime to 28488172.
28488172 has 12 divisors, whose sum is 49999600
The reverse of 28488172 is 27188482
Previous prime number is 349
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million four hundred eighty-eight thousand one hundred seventy-two
Scientific notation
2.8488172 × 10^7
Engineering notation
2.8488172 × 10^6
Prime Factorization
2 × 2 × 349 × 20407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14244086
Product of the distinct prime numbers
The prime factorization of 28488172 is 2 × 2 × 349 × 20407.
Since it has a total of 4 prime factors.
2 , 8 , 33 , 78 , 68 , 249 , 1132 , 3950 , 95045 , 6526 , 39618 , 270953 , 151498 , 9818739 , 73696174 , 48882757 , 925164689 , 195013925 , 3709105587 , 1919020606
n×2
56976344
n×3
85464516
n×4
113952688
n×5
142440860
n÷2
14244086
n÷3
9496057.3333333
n÷3
7122043
n÷5
5697634.4
n2
811575943901584
n3
2.3120315080931E+22
n4
6.5865551271975E+29
n5
1.8763891535108E+37
2 √n
5337.4312173554
3 √n
305.4134748708
4 √n
73.057725240767
5 √n
30.969408922291
1 , 2 , 4 , 349 , 698 , 1396 , 20407 , 40814 , 81628 , 7122043 , 14244086 , 28488172
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
-28488171
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 28488172 can be divided by 12 positive divisors.
The sum of these divisors (counting 28488172) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101100101011000111101100
3
Ternary
1222121100102111
4
Quaternary
1230223013230
5
Quinary
24243110142
6
Senary
2454333404
8
Octal
154530754
10
Decimal
28488172
12
Duodecimal
965a264
16
Hexadecimal
1b2b1ec
20
Vigesimal
8i108c
36
Base36
gylm4
md5
26017908e07d1590177a4a102b10f87b
sha1
31affa4b3a462a6ebb786b8d8ad2cedeb1ce2b35
sha256
a13db0235df85ddf3d39ecbb5f7198a8bbf5d5efbb57b052e2722596be6ce76e
sha512
7dff2683cfeef83599e7887f09e6664c181a9776bf179f14eab31139607030df0e159f2f1343b7c3a6938e06cbbe8dccff86835032c27e8e5b357ed8d5fe2035
ripemd-160
6e6837c663606506bc935b64f06ce96f8daabe37
Diameter
56976344
Circumference
178996463.7388
Area
2.5496410231914E+15
Volume
9.6846149342577E+22
Surface area
1.0198564092766E+16
Circumference
178996463.7388
Perimeter
113952688
Area
811575943901584
Diagonal
40288359.209617
Surface area
4869455663409504
Volume
2.3120315080931E+22
Space diagonal
49342961.318761
Perimeter
85464516
Area
3.5142269225955E+14
Altitude
24671480.659381
Surface area
3.5142269225955E+14
Volume
2.7247552628159E+21
Height
13429453.069872