28423891 is an odd 8-digits prime number following 28423890
and preceding 28423892 . In scientific notation, it is written as 2.8423891 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 28423890 positive integers (up to 28423891) that are relatively prime to 28423891.
28423891 has 2 divisors, whose sum is 28423892
The reverse of 28423891 is 19832482
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 37 Digital Root 1
Name
twenty-eight million four hundred twenty-three thousand eight hundred ninety-one
Scientific notation
2.8423891 × 10^7
Engineering notation
2.8423891 × 10^6
Prime Factorization
28423891
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28423891 Product of the distinct prime numbers
The prime factorization of 28423891 is 28423891.
Since it has a total of 1 prime factors.
2 , 8 , 73 , 84 , 95 , 367 , 7699 , 9435 , 27074 , 57877 , 333239 , 592709 , 2691532 , 7460891 , 91644758 , 95709776 , 114385348 , 785660766 , 1680856493 , 7467040867
n×2
56847782
n×3
85271673
n×4
113695564
n×5
142119455
n÷2
14211945.5
n÷3
9474630.3333333
n÷3
7105972.75
n÷5
5684778.2
n2
807917579579881
n3
2.2964161218962E+22
n4
6.5273081539421E+29
n5
1.8553149549106E+37
2 √n5331.4060997077
3 √n305.18358919196
4 √n73.016478275165
5 √n30.95542035338
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28423892 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14211946 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5331.4061934915 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999296367 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28423891 can be divided by 2 positive divisors.
The sum of these divisors (counting 28423891) is 28423892, the average is 14211946.
Base
System
Value
2
Binary
1101100011011011011010011
3
Ternary
1222111002020201
4
Quaternary
1230123123103
5
Quinary
24234031031
6
Senary
2453120031
8
Octal
154333323
10
Decimal
28423891
12
Duodecimal
9629017
16
Hexadecimal
1b1b6d3
20
Vigesimal
8hcjeb
36
Base36
gx80j
md5
bdb690f4c18177de21fd5fc915d61156
sha1
c471e7168e55b6ab7a72cdb3db32cd31bee441d1
sha256
9ee3c96ac073d69b9703e2d93848a1f9c2cbc5a170df6d792681a1f54a4b626d
sha512
9552cd1bf72ba6cde64c2b099f94ab545a225dc6b60d4347660c13d102c234ce7e7bc377f45a3edbcc203cc273906c0bce042c0a36d0418d37c22587179537c0
ripemd-160
330a5eb8ff4238f7940f3650ce8cd7020f0b7c05
Diameter
56847782
Circumference
178592574.30407
Area
2.5381479327142E+15
Volume
9.6192053575125E+22
Surface area
1.0152591730857E+16
Circumference
178592574.30407
Perimeter
113695564
Area
807917579579881
Diagonal
40197452.147615
Surface area
4847505477479286
Volume
2.2964161218962E+22
Space diagonal
49231623.3608
Perimeter
85271673
Area
3.4983857404011E+14
Altitude
24615811.6804
Surface area
3.4983857404011E+14
Volume
2.7063523536982E+21
Height
13399150.715872