28998979 is an odd 8-digits prime number following 28998978
and preceding 28998980 . In scientific notation, it is written as 2.8998979 × 10^7.
The sum of its digits is 61. It has a total of 1 prime factors and 2 positive divisors.
There are 28998978 positive integers (up to 28998979) that are relatively prime to 28998979.
28998979 has 2 divisors, whose sum is 28998980
The reverse of 28998979 is 97989982
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 61 Digital Root 7
Name
twenty-eight million nine hundred ninety-eight thousand nine hundred seventy-nine
Scientific notation
2.8998979 × 10^7
Engineering notation
2.8998979 × 10^6
Prime Factorization
28998979
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28998979 Product of the distinct prime numbers
The prime factorization of 28998979 is 28998979.
Since it has a total of 1 prime factors.
9 , 10 , 51 , 74 , 84 , 471 , 3102 , 1156 , 76651 , 26416 , 79413 , 109141 , 8062196 , 8350944 , 28701006 , 22811339 , 339683425 , 529673518 , 4769540008 , 4687636668
n×2
57997958
n×3
86996937
n×4
115995916
n×5
144994895
n÷2
14499489.5
n÷3
9666326.3333333
n÷3
7249744.75
n÷5
5799795.8
n2
840940783042441
n3
2.4386424107691E+22
n4
7.0718140058403E+29
n5
2.0507538584727E+37
2 √n5385.07000883
3 √n307.22807696825
4 √n73.38303624701
5 √n31.079680206703
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28998980 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14499490 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5385.0701016793 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999310321 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28998979 can be divided by 2 positive divisors.
The sum of these divisors (counting 28998979) is 28998980, the average is 14499490.
Base
System
Value
2
Binary
1101110100111110101000011
3
Ternary
2000120022010021
4
Quaternary
1232213311003
5
Quinary
24410431404
6
Senary
2513314311
8
Octal
156476503
10
Decimal
28998979
12
Duodecimal
9865997
16
Hexadecimal
1ba7d43
20
Vigesimal
914h8j
36
Base36
h9jr7
md5
2e2562cba6f9ef5b350eb61ab20215c8
sha1
5fd35597339714ca59b7e8d31a0fca107c505f88
sha256
f9f89841025e167be39b654444e0179afd878da02cf0a05f4eaa68744fd69b0e
sha512
ad22d4cbffaba29d652bd48e02a4f8aaba59bc5fd91f817d85119217a7c497b107c241e415078b3cd34c88f6502b8dd2d6bdf5b9d488db162bc7c604529495f2
ripemd-160
db0dfa3ed62bf7774d8a22d8060c6bf80eb8a980
Diameter
57997958
Circumference
182205958.77601
Area
2.6418933861102E+15
Volume
1.0214961443206E+23
Surface area
1.0567573544441E+16
Circumference
182205958.77601
Perimeter
115995916
Area
840940783042441
Diagonal
41010749.396773
Surface area
5045644698254646
Volume
2.4386424107691E+22
Space diagonal
50227704.995623
Perimeter
86996937
Area
3.6413804059657E+14
Altitude
25113852.497811
Surface area
3.6413804059657E+14
Volume
2.8739676425733E+21
Height
13670249.798924