28839991 is an odd 8-digits prime number following 28839990
and preceding 28839992 . In scientific notation, it is written as 2.8839991 × 10^7.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 28839990 positive integers (up to 28839991) that are relatively prime to 28839991.
28839991 has 2 divisors, whose sum is 28839992
The reverse of 28839991 is 19993882
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 49 Digital Root 4
Name
twenty-eight million eight hundred thirty-nine thousand nine hundred ninety-one
Scientific notation
2.8839991 × 10^7
Engineering notation
2.8839991 × 10^6
Prime Factorization
28839991
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28839991 Product of the distinct prime numbers
The prime factorization of 28839991 is 28839991.
Since it has a total of 1 prime factors.
7 , 10 , 66 , 34 , 19 , 329 , 1078 , 2795 , 81109 , 56547 , 740492 , 387782 , 9122287 , 6188918 , 19590524 , 70843863 , 735592502 , 748778029 , 7777976802 , 8115326374
n×2
57679982
n×3
86519973
n×4
115359964
n×5
144199955
n÷2
14419995.5
n÷3
9613330.3333333
n÷3
7209997.75
n÷5
5767998.2
n2
831745080880081
n3
2.3987520646876E+22
n4
6.9179987956821E+29
n5
1.9951502300548E+37
2 √n5370.2877948952
3 √n306.6655845635
4 √n73.282247474372
5 √n31.045526119293
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28839992 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14419996 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5370.287888 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999306519 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28839991 can be divided by 2 positive divisors.
The sum of these divisors (counting 28839991) is 28839992, the average is 14419996.
Base
System
Value
2
Binary
1101110000001000000110111
3
Ternary
2000021020000211
4
Quaternary
1232001000313
5
Quinary
24340334431
6
Senary
2510050251
8
Octal
156010067
10
Decimal
28839991
12
Duodecimal
97a9987
16
Hexadecimal
1b81037
20
Vigesimal
904jjb
36
Base36
h652v
md5
34b71acc34ce928a53ea45f1c9dde2f4
sha1
611bd05098012bce22110ac7731feb620d08364e
sha256
6dc20b768930f61250f843a6256a7e6061aea51a620e033ce1c632e1ccf26c1b
sha512
d0069342cb1e482785900ddb25c0ad1ecfd70f8cb60697a0cb28f50acabc2d7b1bb042856b62b7dcbe9eb90fa291f9aa6b6d39cb8b810a663e75349f96ea23fd
ripemd-160
a3e4967da1e5ddf980b7c929f597f3c94848b61f
Diameter
57679982
Circumference
181207007.71039
Area
2.6130042357523E+15
Volume
1.0047869152274E+23
Surface area
1.0452016943009E+16
Circumference
181207007.71039
Perimeter
115359964
Area
831745080880081
Diagonal
40785906.410918
Surface area
4990470485280486
Volume
2.3987520646876E+22
Space diagonal
49952329.701829
Perimeter
86519973
Area
3.6015618475745E+14
Altitude
24976164.850915
Surface area
3.6015618475745E+14
Volume
2.8269564188764E+21
Height
13595302.136973