28772238 is an even 8-digits composite number following 28772237
and preceding 28772239 . In scientific notation, it is written as 2.8772238 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 8676800 positive integers (up to 28772238) that are relatively prime to 28772238.
28772238 has 16 divisors, whose sum is 44680896
The reverse of 28772238 is 83227782
Previous prime number is 233
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million seven hundred seventy-two thousand two hundred thirty-eight
Scientific notation
2.8772238 × 10^7
Engineering notation
2.8772238 × 10^6
Prime Factorization
2 × 33 × 233 × 1871
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28772238
Product of the distinct prime numbers
The prime factorization of 28772238 is 2 × 33 × 233 × 1871.
Since it has a total of 4 prime factors.
1 , 1 , 90 , 6 , 41 , 972 , 790 , 4662 , 71316 , 34123 , 858419 , 134258 , 8489709 , 9607021 , 78549018 , 27331390 , 92790964 , 101275847 , 5059577868 , 7158239471
n×2
57544476
n×3
86316714
n×4
115088952
n×5
143861190
n÷2
14386119
n÷3
9590746
n÷3
7193059.5
n÷5
5754447.6
n2
827841679528644
n3
2.3818857829718E+22
n4
6.8532184636481E+29
n5
1.9718243270208E+37
2 √n
5363.9759507291
3 √n
306.42524924462
4 √n
73.239169511465
5 √n
31.030925511881
1 , 2 , 33 , 66 , 233 , 466 , 1871 , 3742 , 7689 , 15378 , 61743 , 123486 , 435943 , 871886 , 14386119 , 28772238
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
-28772237
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 28772238 can be divided by 16 positive divisors.
The sum of these divisors (counting 28772238) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101110000011110001110
3
Ternary
2000010210002110
4
Quaternary
1231300132032
5
Quinary
24331202423
6
Senary
2504404450
8
Octal
155603616
10
Decimal
28772238
12
Duodecimal
9776726
16
Hexadecimal
1b7078e
20
Vigesimal
8jgabi
36
Base36
h4osu
md5
5c6d76de612e8b41c740888da3e927c2
sha1
76e7eddd590581603783b77edd555ca686bf8492
sha256
0d076f53d14f78c18d53f000d9e77951345524ecec6eca14feacb168dbbd6c82
sha512
4d36313872e76a7051c50a3cd0e3bbebc502242c464a1a5b72655503cbae24d9ba6be858c4300c59188d545103a73c8d29b1e54b246ad4de5b1f1fe15c403999
ripemd-160
a95a694d9a079fa41efb5d7d6bf67295e26783be
Diameter
57544476
Circumference
180781303.05627
Area
2.6007413387426E+15
Volume
9.9772198366322E+22
Surface area
1.040296535497E+16
Circumference
180781303.05627
Perimeter
115088952
Area
827841679528644
Diagonal
40690089.199427
Surface area
4967050077171864
Volume
2.3818857829718E+22
Space diagonal
49834978.063464
Perimeter
86316714
Area
3.5846596239169E+14
Altitude
24917489.031732
Surface area
3.5846596239169E+14
Volume
2.807079315252E+21
Height
13563363.066476