28998421 is an odd 8-digits prime number following 28998420
and preceding 28998422 . In scientific notation, it is written as 2.8998421 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 28998420 positive integers (up to 28998421) that are relatively prime to 28998421.
28998421 has 2 divisors, whose sum is 28998422
The reverse of 28998421 is 12489982
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million nine hundred ninety-eight thousand four hundred twenty-one
Scientific notation
2.8998421 × 10^7
Engineering notation
2.8998421 × 10^6
Prime Factorization
28998421
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28998421
Product of the distinct prime numbers
The prime factorization of 28998421 is 28998421.
Since it has a total of 1 prime factors.
7 , 3 , 97 , 91 , 179 , 97 , 2656 , 5325 , 31358 , 87035 , 337140 , 769328 , 3341964 , 8591241 , 67847660 , 61053125 , 218852655 , 207983198 , 8152702791 , 806995552
n×2
57996842
n×3
86995263
n×4
115993684
n×5
144992105
n÷2
14499210.5
n÷3
9666140.3333333
n÷3
7249605.25
n÷5
5799684.2
n2
840908420493241
n3
2.4385016399908E+22
n4
7.0712697165644E+29
n5
2.0505565624548E+37
2 √n
5385.0181986693
3 √n
307.22610638891
4 √n
73.382683234325
5 √n
31.079560598388
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28998422
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14499211
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5385.0182915195
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999310307
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28998421 can be divided by 2 positive divisors.
The sum of these divisors (counting 28998421) is 28998422, the average is 14499211.
Base
System
Value
2
Binary
1101110100111101100010101
3
Ternary
2000120021100121
4
Quaternary
1232213230111
5
Quinary
24410422141
6
Senary
2513311541
8
Octal
156475425
10
Decimal
28998421
12
Duodecimal
98655b1
16
Hexadecimal
1ba7b15
20
Vigesimal
914g11
36
Base36
h9jbp
md5
a9d4dc5d6309db8e949a7f89b171a1b3
sha1
efb42b90657cb9fe8e687824156950997e3369a6
sha256
9e2625cf0258fc086df983361c41d725014b1c1f5fb6844bdf744ba86c90d0a3
sha512
4075d5531e68099f76ff640e7f52c4455ddb107ee6e81975be95b1c25be575dac29270687da23e9df94d0da82a8ed8ee663d6dec4c04f94096e06fc78bf7b4a0
ripemd-160
c4943493d55fad4d62a1a6a5c2eacef31247666f
Diameter
57996842
Circumference
182202452.75861
Area
2.6417917161634E+15
Volume
1.0214371783949E+23
Surface area
1.0567166864653E+16
Circumference
182202452.75861
Perimeter
115993684
Area
840908420493241
Diagonal
41009960.265605
Surface area
5045450522959446
Volume
2.4385016399908E+22
Space diagonal
50226738.511272
Perimeter
86995263
Area
3.641240272017E+14
Altitude
25113369.255636
Surface area
3.641240272017E+14
Volume
2.87380174262E+21
Height
13669986.755202