28995791 is an odd 8-digits composite number following 28995790
and preceding 28995792 . In scientific notation, it is written as 2.8995791 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 25965720 positive integers (up to 28995791) that are relatively prime to 28995791.
28995791 has 8 divisors, whose sum is 32104704
The reverse of 28995791 is 19759982
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-eight million nine hundred ninety-five thousand seven hundred ninety-one
Scientific notation
2.8995791 × 10^7
Engineering notation
2.8995791 × 10^6
Prime Factorization
11 × 67 × 39343
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28995791
Product of the distinct prime numbers
The prime factorization of 28995791 is 11 × 67 × 39343.
Since it has a total of 3 prime factors.
2 , 4 , 76 , 76 , 526 , 940 , 3690 , 2068 , 94871 , 29237 , 310669 , 672601 , 8841376 , 633531 , 85993923 , 12321057 , 553688903 , 760994230 , 5172754683 , 3336148012
n×2
57991582
n×3
86987373
n×4
115983164
n×5
144978955
n÷2
14497895.5
n÷3
9665263.6666667
n÷3
7248947.75
n÷5
5799158.2
n2
840755895715681
n3
2.437838223419E+22
n4
7.0687047618068E+29
n5
2.0496268591405E+37
2 √n
5384.7739971145
3 √n
307.21681819251
4 √n
73.38101932458
5 √n
31.078996828313
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28995790
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28995791 can be divided by 8 positive divisors.
The sum of these divisors (counting 28995791) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110100111000011001111
3
Ternary
2000120010202012
4
Quaternary
1232213003033
5
Quinary
24410331131
6
Senary
2513251435
8
Octal
156470317
10
Decimal
28995791
12
Duodecimal
9863b7b
16
Hexadecimal
1ba70cf
20
Vigesimal
91499b
36
Base36
h9han
md5
a17c1023e607172ac9b1352e9090798c
sha1
7ffedcdefcc6f4462dd0bd5d3e97bc8e1a88f7f8
sha256
2d4c0cae9d643973d822216f9a69cee1ba33c0a13475dc9c214398642a868a0b
sha512
f198d1e92cf965a9d12e9cf451b14ab8094221535be6e70f98dbbf8b75f120d192a9a4b3c547f954c01f4e3f977f9a57e7f47b7ccea150bf0c111072d2e19278
ripemd-160
6c56b3decc27e8af41462792c4db634956bafc46
Diameter
57991582
Circumference
182185927.98125
Area
2.6413125454427E+15
Volume
1.0211592871111E+23
Surface area
1.0565250181771E+16
Circumference
182185927.98125
Perimeter
115983164
Area
840755895715681
Diagonal
41006240.883936
Surface area
5044535374294086
Volume
2.437838223419E+22
Space diagonal
50222183.217648
Perimeter
86987373
Area
3.6405798203566E+14
Altitude
25111091.608824
Surface area
3.6405798203566E+14
Volume
2.8730198986922E+21
Height
13668746.961312