28931055 is an odd 8-digits composite number following 28931054
and preceding 28931056 . In scientific notation, it is written as 2.8931055 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 15380640 positive integers (up to 28931055) that are relatively prime to 28931055.
28931055 has 16 divisors, whose sum is 46437504
The reverse of 28931055 is 55013982
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million nine hundred thirty-one thousand fifty-five
Scientific notation
2.8931055 × 10^7
Engineering notation
2.8931055 × 10^6
Prime Factorization
5 × 3 × 331 × 5827
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931055
Product of the distinct prime numbers
The prime factorization of 28931055 is 5 × 3 × 331 × 5827.
Since it has a total of 4 prime factors.
10 , 2 , 41 , 53 , 716 , 836 , 1369 , 8313 , 84520 , 96195 , 437215 , 860261 , 7007317 , 8032939 , 40265671 , 78617008 , 880423525 , 676589867 , 9841904012 , 3146133543
n×2
57862110
n×3
86793165
n×4
115724220
n×5
144655275
n÷2
14465527.5
n÷3
9643685
n÷3
7232763.75
n÷5
5786211
n2
837005943413025
n3
2.4215464984209E+22
n4
7.0057894930873E+29
n5
2.0268488114293E+37
2 √n
5378.759615376
3 √n
306.98801708862
4 √n
73.34002737507
5 √n
31.065107025596
1 , 3 , 5 , 15 , 331 , 993 , 1655 , 4965 , 5827 , 17481 , 29135 , 87405 , 1928737 , 5786211 , 9643685 , 28931055
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931054
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931055 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931055) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111001111101111
3
Ternary
2000102211221120
4
Quaternary
1232113033233
5
Quinary
24401243210
6
Senary
2512032023
8
Octal
156271757
10
Decimal
28931055
12
Duodecimal
9832613
16
Hexadecimal
1b973ef
20
Vigesimal
90g7cf
36
Base36
h83cf
md5
6ade6595fb0bc2038d5984aa0aafba59
sha1
3f0f63b2b3c725870f0fb8c455e86fa87dcf6175
sha256
9349d92d9477f65cbba4f00c5aa792e74b64e2d8e910df0a015233880dee1b8e
sha512
ccc0e933775f771999db86fb00926f105080cd806f2585c84aef6f09de3438965c1b5c4b98fa7f41aac59f23703e4830d2efe51ea1943aefb20868690858788e
ripemd-160
f90912a81c977b8f55b5534496b90ce37f6f9ae0
Diameter
57862110
Circumference
181779179.6972
Area
2.6295317228374E+15
Volume
1.014335025302E+23
Surface area
1.0518126891349E+16
Circumference
181779179.6972
Perimeter
115724220
Area
837005943413025
Diagonal
40914690.354762
Surface area
5022035660478150
Volume
2.4215464984209E+22
Space diagonal
50110057.17657
Perimeter
86793165
Area
3.6243420505712E+14
Altitude
25055028.588285
Surface area
3.6243420505712E+14
Volume
2.8538199166533E+21
Height
13638230.118254