28756072 is an even 8-digits composite number following 28756071
and preceding 28756073 . In scientific notation, it is written as 2.8756072 × 10^7.
The sum of its digits is 37. It has a total of 6 prime factors and 32 positive divisors.
There are 13636480 positive integers (up to 28756072) that are relatively prime to 28756072.
28756072 has 32 divisors, whose sum is 56738880
The reverse of 28756072 is 27065782
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million seven hundred fifty-six thousand seventy-two
Scientific notation
2.8756072 × 10^7
Engineering notation
2.8756072 × 10^6
Prime Factorization
2 × 2 × 2 × 23 × 131 × 1193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7189018
Product of the distinct prime numbers
The prime factorization of 28756072 is 2 × 2 × 2 × 23 × 131 × 1193.
Since it has a total of 6 prime factors.
1 , 8 , 37 , 66 , 404 , 993 , 1976 , 8532 , 17762 , 34613 , 777963 , 183218 , 3726115 , 5908341 , 91805549 , 64062311 , 691226025 , 2902740 , 7689994366 , 2785451643
n×2
57512144
n×3
86268216
n×4
115024288
n×5
143780360
n÷2
14378036
n÷3
9585357.3333333
n÷3
7189018
n÷5
5751214.4
n2
826911676869184
n3
2.3778731717691E+22
n4
6.8378292134261E+29
n5
1.9662910918498E+37
2 √n
5362.4688344083
3 √n
306.36784902167
4 √n
73.228879783923
5 √n
31.02743771422
1 , 2 , 4 , 8 , 23 , 46 , 92 , 131 , 184 , 262 , 524 , 1048 , 1193 , 2386 , 3013 , 4772 , 6026 , 9544 , 12052 , 24104 , 27439 , 54878 , 109756 , 156283 , 219512 , 312566 , 625132 , 1250264 , 3594509 , 7189018 , 14378036 , 28756072
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
-28756071
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 28756072 can be divided by 32 positive divisors.
The sum of these divisors (counting 28756072) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101101100100001101000
3
Ternary
2000002221220201
4
Quaternary
1231230201220
5
Quinary
24330143242
6
Senary
2504201544
8
Octal
155544150
10
Decimal
28756072
12
Duodecimal
97692b4
16
Hexadecimal
1b6c868
20
Vigesimal
8jea3c
36
Base36
h4cbs
md5
81718cc873b43dde5c61eb98ce52f78d
sha1
e4cb98bb6a3cd18ab06d3df4291b2e33a9a6a009
sha256
9cc3dc357045f993048c9b8fadd2cc637c8bdc37bd0a4244ce641535a69f6764
sha512
913a3287844e2fc2fdcde8c36aaa2b9ea375c4359594a3d5c58fa2da9ff85d3069a480ee3d5a3e892c5ad6e04f582bf6f702f3de5faf6786f6ababb29931ab1f
ripemd-160
c8d6464e4d64817be91c5bb8f89f3e6bc5bb101e
Diameter
57512144
Circumference
180679729.0826
Area
2.5978196492198E+15
Volume
9.9604118501307E+22
Surface area
1.0391278596879E+16
Circumference
180679729.0826
Perimeter
115024288
Area
826911676869184
Diagonal
40667227.022977
Surface area
4961470061215104
Volume
2.3778731717691E+22
Space diagonal
49806977.730109
Perimeter
86268216
Area
3.5806325942735E+14
Altitude
24903488.865054
Surface area
3.5806325942735E+14
Volume
2.8023504075992E+21
Height
13555742.340992