28491105 is an odd 8-digits composite number following 28491104
and preceding 28491106 . In scientific notation, it is written as 2.8491105 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 14824320 positive integers (up to 28491105) that are relatively prime to 28491105.
28491105 has 8 divisors, whose sum is 34468032
The reverse of 28491105 is 50119482
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million four hundred ninety-one thousand one hundred five
Scientific notation
2.8491105 × 10^7
Engineering notation
2.8491105 × 10^6
Prime Factorization
123 × 5 × 46327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28491105
Product of the distinct prime numbers
The prime factorization of 28491105 is 123 × 5 × 46327.
Since it has a total of 3 prime factors.
3 , 5 , 65 , 39 , 164 , 754 , 3573 , 6834 , 54466 , 24840 , 57912 , 499403 , 5488498 , 1052135 , 1911180 , 62696402 , 882359777 , 321376235 , 8035076479 , 3618717120
n×2
56982210
n×3
85473315
n×4
113964420
n×5
142455525
n÷2
14245552.5
n÷3
9497035
n÷3
7122776.25
n÷5
5698221
n2
811743064121025
n3
2.3127456872894E+22
n4
6.5892680214859E+29
n5
1.877355270733E+37
2 √n
5337.7059679229
3 √n
305.42395579345
4 √n
73.059605582859
5 √n
30.970046587185
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28491104
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28491105 can be divided by 8 positive divisors.
The sum of these divisors (counting 28491105) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100101011110101100001
3
Ternary
1222121111110010
4
Quaternary
1230223311201
5
Quinary
24243203410
6
Senary
2454355133
8
Octal
154536541
10
Decimal
28491105
12
Duodecimal
965baa9
16
Hexadecimal
1b2bd61
20
Vigesimal
8i17f5
36
Base36
gynvl
md5
06d79fcd24f91de4c73e7cfdb164ae22
sha1
bdea90d7d15e5da1bb0b51f68fbacc48b0e92f10
sha256
682aa7afeb84ebf21337fd722985c37d449d13968b305bddde9d61d928d301f3
sha512
b65580dd6638cd1225c2fed9d446ab70bfef671799c617d1168fc03d84ccaffe1e366033f6c3f04591baf0dec45dee605933fd445d0d3d19187cb184445f0f7a
ripemd-160
3078b4988d7d012a9d71ec364b7e0f311d982eff
Diameter
56982210
Circumference
179014892.32131
Area
2.5501660468451E+15
Volume
9.6876064810797E+22
Surface area
1.020066418738E+16
Circumference
179014892.32131
Perimeter
113964420
Area
811743064121025
Diagonal
40292507.097996
Surface area
4870458384726150
Volume
2.3127456872894E+22
Space diagonal
49348041.42378
Perimeter
85473315
Area
3.5149505743731E+14
Altitude
24674020.71189
Surface area
3.5149505743731E+14
Volume
2.7255969310704E+21
Height
13430835.699332