28842972 is an even 8-digits composite number following 28842971
and preceding 28842973 . In scientific notation, it is written as 2.8842972 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 9614320 positive integers (up to 28842972) that are relatively prime to 28842972.
28842972 has 12 divisors, whose sum is 67300296
The reverse of 28842972 is 27924882
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million eight hundred forty-two thousand nine hundred seventy-two
Scientific notation
2.8842972 × 10^7
Engineering notation
2.8842972 × 10^6
Prime Factorization
2 × 2 × 3 × 2403581
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14421486
Product of the distinct prime numbers
The prime factorization of 28842972 is 2 × 2 × 3 × 2403581.
Since it has a total of 4 prime factors.
9 , 5 , 53 , 8 , 760 , 34 , 5931 , 4015 , 99331 , 25284 , 150884 , 911177 , 177614 , 4844630 , 48268783 , 34350369 , 988107195 , 692807913 , 9244307361 , 5325053436
n×2
57685944
n×3
86528916
n×4
115371888
n×5
144214860
n÷2
14421486
n÷3
9614324
n÷3
7210743
n÷5
5768594.4
n2
831917033792784
n3
2.3994959712008E+22
n4
6.9208595111458E+29
n5
1.9961815709591E+37
2 √n
5370.5653333704
3 √n
306.67615020032
4 √n
73.284141076842
5 √n
31.046167887088
1 , 2 , 3 , 4 , 6 , 12 , 2403581 , 4807162 , 7210743 , 9614324 , 14421486 , 28842972
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
-28842971
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 28842972 can be divided by 12 positive divisors.
The sum of these divisors (counting 28842972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101110000001101111011100
3
Ternary
2000021101010020
4
Quaternary
1232001233130
5
Quinary
24340433342
6
Senary
2510112140
8
Octal
156015734
10
Decimal
28842972
12
Duodecimal
97ab650
16
Hexadecimal
1b81bdc
20
Vigesimal
90578c
36
Base36
h67do
md5
2f31027b1e7e9eb3cc8c348d13ba42e0
sha1
27388244659408866212aea7fe834da4e0ac8bc2
sha256
b8974cd512b2e772cc0f903802741e35d818381b1084e6ce51289a206aeed202
sha512
da48345ea8618a7d74acf57a7911dbe0110c0fb5859cafc38771c9d83e6e8e354eca078ef932443260562b594e29b66bf550c8f43fc1734b15a40c81c56ab71c
ripemd-160
77339b318a54aa0ec1a4442a8b9837170d7162b4
Diameter
57685944
Circumference
181225737.88579
Area
2.6135444417596E+15
Volume
1.005098522059E+23
Surface area
1.0454177767038E+16
Circumference
181225737.88579
Perimeter
115371888
Area
831917033792784
Diagonal
40790122.181547
Surface area
4991502202756704
Volume
2.3994959712008E+22
Space diagonal
49957492.945287
Perimeter
86528916
Area
3.6023064255277E+14
Altitude
24978746.472643
Surface area
3.6023064255277E+14
Volume
2.8278331211098E+21
Height
13596707.393849