28931144 is an even 8-digits composite number following 28931143
and preceding 28931145 . In scientific notation, it is written as 2.8931144 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors.
There are 12175360 positive integers (up to 28931144) that are relatively prime to 28931144.
28931144 has 32 divisors, whose sum is 55429920
The reverse of 28931144 is 44113982
Previous prime number is 187
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million nine hundred thirty-one thousand one hundred forty-four
Scientific notation
2.8931144 × 10^7
Engineering notation
2.8931144 × 10^6
Prime Factorization
2 × 2 × 2 × 83 × 187 × 233
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7232786
Product of the distinct prime numbers
The prime factorization of 28931144 is 2 × 2 × 2 × 83 × 187 × 233.
Since it has a total of 6 prime factors.
5 , 8 , 79 , 62 , 502 , 243 , 4204 , 1939 , 96381 , 4185 , 538 , 603039 , 7944061 , 4821915 , 28219107 , 86882390 , 291398552 , 547073408 , 3372429999 , 558076985
n×2
57862288
n×3
86793432
n×4
115724576
n×5
144655720
n÷2
14465572
n÷3
9643714.6666667
n÷3
7232786
n÷5
5786228.8
n2
837011093148736
n3
2.4215688465483E+22
n4
7.0058757005404E+29
n5
2.0268799873844E+37
2 √n
5378.7678886526
3 √n
306.9883318819
4 √n
73.340083778603
5 √n
31.065126138561
1 , 2 , 4 , 8 , 83 , 166 , 187 , 233 , 332 , 374 , 466 , 664 , 748 , 932 , 1496 , 1864 , 15521 , 19339 , 31042 , 38678 , 43571 , 62084 , 77356 , 87142 , 124168 , 154712 , 174284 , 348568 , 3616393 , 7232786 , 14465572 , 28931144
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931143
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931144 can be divided by 32 positive divisors.
The sum of these divisors (counting 28931144) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110010111010001001000
3
Ternary
2000102212001212
4
Quaternary
1232113101020
5
Quinary
24401244034
6
Senary
2512032252
8
Octal
156272110
10
Decimal
28931144
12
Duodecimal
9832688
16
Hexadecimal
1b97448
20
Vigesimal
90g7h4
36
Base36
h83ew
md5
db887ffef16887c73bcd677c316a92ef
sha1
3ef6c9c7dde3a5f80b3555e1fa20079c123edb6b
sha256
0225f24d6d676901af109356c4052d47ea414c4c15042dcd72ddd650ff745dc1
sha512
d692829dc4cddea79f43d7212751fc53c1d264ce2dc582624c881b7e821fcbe7de0228efd700e1f9df1f6b2ef1f001d3846985a6545f1edc13548ab8819cfe65
ripemd-160
e28028f3331a3875a67e83222f3036db15a379bd
Diameter
57862288
Circumference
181779738.9007
Area
2.6295479012092E+15
Volume
1.0143443864638E+23
Surface area
1.0518191604837E+16
Circumference
181779738.9007
Perimeter
115724576
Area
837011093148736
Diagonal
40914816.219769
Surface area
5022066558892416
Volume
2.4215688465483E+22
Space diagonal
50110211.329091
Perimeter
86793432
Area
3.6243643495809E+14
Altitude
25055105.664546
Surface area
3.6243643495809E+14
Volume
2.853846254174E+21
Height
13638272.073256