28491115 is an odd 8-digits composite number following 28491114
and preceding 28491116 . In scientific notation, it is written as 2.8491115 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 22792888 positive integers (up to 28491115) that are relatively prime to 28491115.
28491115 has 4 divisors, whose sum is 34189344
The reverse of 28491115 is 51119482
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million four hundred ninety-one thousand one hundred fifteen
Scientific notation
2.8491115 × 10^7
Engineering notation
2.8491115 × 10^6
Prime Factorization
5 × 5698223
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28491115
Product of the distinct prime numbers
The prime factorization of 28491115 is 5 × 5698223.
Since it has a total of 2 prime factors.
5 , 5 , 13 , 13 , 859 , 997 , 6987 , 8363 , 69246 , 37894 , 352544 , 923977 , 3353377 , 7164634 , 11007195 , 52630170 , 670250450 , 250642759 , 8391012841 , 1714332571
n×2
56982230
n×3
85473345
n×4
113964460
n×5
142455575
n÷2
14245557.5
n÷3
9497038.3333333
n÷3
7122778.75
n÷5
5698223
n2
811743633943225
n3
2.3127481225194E+22
n4
6.5892772724735E+29
n5
1.8773585653693E+37
2 √n
5337.7069046548
3 √n
305.4239915267
4 √n
73.059611993596
5 √n
30.9700487612
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
-28491114
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 28491115 can be divided by 4 positive divisors.
The sum of these divisors (counting 28491115) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100101011110101101011
3
Ternary
1222121111110111
4
Quaternary
1230223311223
5
Quinary
24243203430
6
Senary
2454355151
8
Octal
154536553
10
Decimal
28491115
12
Duodecimal
965bab7
16
Hexadecimal
1b2bd6b
20
Vigesimal
8i17ff
36
Base36
gynvv
md5
fa9f85cfed350a1cfae11e6028a99ef8
sha1
d8bf9cc68b80ff37c5a54c667a20dd7c5a20f5ff
sha256
3374d7388ef8704c1b1e9491f7a46abab4bd7caf2a5fa6ff93aa1265cf68d97e
sha512
9e972154be46754930b6ad445b1607d96c096faa5f0032e3bb45cd9718279cd9e375aa47b0d5ceea2699e8f8732e174ce1f8d2b9f66133e277d55a31fbfc50bd
ripemd-160
67246333472e0fd8787b6a80c440b0f3647b1c17
Diameter
56982230
Circumference
179014955.15316
Area
2.5501678369943E+15
Volume
9.6876166817475E+22
Surface area
1.0200671347977E+16
Circumference
179014955.15316
Perimeter
113964460
Area
811743633943225
Diagonal
40292521.240132
Surface area
4870461803659350
Volume
2.3127481225194E+22
Space diagonal
49348058.744288
Perimeter
85473345
Area
3.5149530417756E+14
Altitude
24674029.372144
Surface area
3.5149530417756E+14
Volume
2.7255998010166E+21
Height
13430840.413377