28888972 is an even 8-digits composite number following 28888971
and preceding 28888973 . In scientific notation, it is written as 2.8888972 × 10^7.
The sum of its digits is 52. It has a total of 5 prime factors and 24 positive divisors.
There are 12330768 positive integers (up to 28888972) that are relatively prime to 28888972.
28888972 has 24 divisors, whose sum is 58012416
The reverse of 28888972 is 27988882
Previous prime number is 263
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million eight hundred eighty-eight thousand nine hundred seventy-two
Scientific notation
2.8888972 × 10^7
Engineering notation
2.8888972 × 10^6
Prime Factorization
2 × 2 × 7 × 263 × 3923
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14444486
Product of the distinct prime numbers
The prime factorization of 28888972 is 2 × 2 × 7 × 263 × 3923.
Since it has a total of 5 prime factors.
5 , 8 , 71 , 96 , 384 , 28 , 2335 , 3230 , 29018 , 43481 , 174796 , 574790 , 3164208 , 2214908 , 96209713 , 51753171 , 710978602 , 82937006 , 9222988163 , 9281874246
n×2
57777944
n×3
86666916
n×4
115555888
n×5
144444860
n÷2
14444486
n÷3
9629657.3333333
n÷3
7222243
n÷5
5777794.4
n2
834572703216784
n3
2.4109947455194E+22
n4
6.9651159695457E+29
n5
2.0121504022096E+37
2 √n
5374.8462303586
3 √n
306.83909700079
4 √n
73.313342785325
5 √n
31.05606432592
1 , 2 , 4 , 7 , 14 , 28 , 263 , 526 , 1052 , 1841 , 3682 , 3923 , 7364 , 7846 , 15692 , 27461 , 54922 , 109844 , 1031749 , 2063498 , 4126996 , 7222243 , 14444486 , 28888972
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28888971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28888972 can be divided by 24 positive divisors.
The sum of these divisors (counting 28888972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101110001100111110001100
3
Ternary
2000100201012221
4
Quaternary
1232030332030
5
Quinary
24343421342
6
Senary
2511105124
8
Octal
156147614
10
Decimal
28888972
12
Duodecimal
98121a4
16
Hexadecimal
1b8cf8c
20
Vigesimal
90b28c
36
Base36
h76vg
md5
0500c981ce27d074700bcd6e1fc5fcd6
sha1
a35178e3e12ca05a5389109bea36056fdee2dc73
sha256
37992534a7971772f2b198ea2c14143f5255de12b4e878cb0cfb910233197ae4
sha512
189bf5af62f532b2c9a0ce062059102b2f62da1e3881785c168b12c80c79d5476efd7d3733e127d508fc6fbf8950b30f1701d28694a05617af0e1f9059d2aab8
ripemd-160
8e472025ffee3043c758214f699b3000b12aefd9
Diameter
57777944
Circumference
181514764.40992
Area
2.6218874733124E+15
Volume
1.0099151173823E+23
Surface area
1.048754989325E+16
Circumference
181514764.40992
Perimeter
115555888
Area
834572703216784
Diagonal
40855176.005417
Surface area
5007436219300704
Volume
2.4109947455194E+22
Space diagonal
50037167.282435
Perimeter
86666916
Area
3.6138058114539E+14
Altitude
25018583.641217
Surface area
3.6138058114539E+14
Volume
2.8413845566032E+21
Height
13618392.001806