28931532 is an even 8-digits composite number following 28931531
and preceding 28931533 . In scientific notation, it is written as 2.8931532 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 8266128 positive integers (up to 28931532) that are relatively prime to 28931532.
28931532 has 12 divisors, whose sum is 53041296
The reverse of 28931532 is 23513982
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million nine hundred thirty-one thousand five hundred thirty-two
Scientific notation
2.8931532 × 10^7
Engineering notation
2.8931532 × 10^6
Prime Factorization
2 × 2 × 21 × 344423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14465766
Product of the distinct prime numbers
The prime factorization of 28931532 is 2 × 2 × 21 × 344423.
Since it has a total of 4 prime factors.
2 , 5 , 23 , 96 , 943 , 541 , 6072 , 9995 , 73328 , 61919 , 330916 , 595532 , 4999474 , 8495146 , 7226556 , 57472292 , 502711467 , 428950472 , 8949323039 , 1805853154
n×2
57863064
n×3
86794596
n×4
115726128
n×5
144657660
n÷2
14465766
n÷3
9643844
n÷3
7232883
n÷5
5786306.4
n2
837033543867024
n3
2.4216662759462E+22
n4
7.0062515355859E+29
n5
2.0270159050185E+37
2 √n
5378.8039562713
3 √n
306.9897042316
4 √n
73.340329671139
5 √n
31.065209461946
1 , 2 , 4 , 21 , 42 , 84 , 344423 , 688846 , 1377692 , 7232883 , 14465766 , 28931532
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
-28931531
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 28931532 can be divided by 12 positive divisors.
The sum of these divisors (counting 28931532) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101110010111010111001100
3
Ternary
2000102212121020
4
Quaternary
1232113113030
5
Quinary
24401302112
6
Senary
2512034140
8
Octal
156272714
10
Decimal
28931532
12
Duodecimal
9832950
16
Hexadecimal
1b975cc
20
Vigesimal
90g8gc
36
Base36
h83po
md5
e7f4b9636e7368868ba6c9d3114cb609
sha1
4e2ce8ebd30ecb6549d2b21eb164588c49e00292
sha256
fe3fec83baf139d493d5d303f644cbb3b58b7ba864be9b95f5bef93a001209ca
sha512
711e94b485e27b8ac960fc659fff12294c1ed0382de4feb49aadfc27e1e14d7ba874c93cb15d9a7ac08f562d485e5631fc72fe0f33b9befe331d0d3fde5a038e
ripemd-160
edcd1882da9ef1cda596b340d25a77e1945c950c
Diameter
57863064
Circumference
181782176.7766
Area
2.6296184322209E+15
Volume
1.0143851975945E+23
Surface area
1.0518473728883E+16
Circumference
181782176.7766
Perimeter
115726128
Area
837033543867024
Diagonal
40915364.934631
Surface area
5022201263202144
Volume
2.4216662759462E+22
Space diagonal
50110883.364805
Perimeter
86794596
Area
3.6244615640428E+14
Altitude
25055441.682402
Surface area
3.6244615640428E+14
Volume
2.8539610758206E+21
Height
13638454.97821