28942021 is an odd 8-digits prime number following 28942020
and preceding 28942022 . In scientific notation, it is written as 2.8942021 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 28942020 positive integers (up to 28942021) that are relatively prime to 28942021.
28942021 has 2 divisors, whose sum is 28942022
The reverse of 28942021 is 12024982
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million nine hundred forty-two thousand twenty-one
Scientific notation
2.8942021 × 10^7
Engineering notation
2.8942021 × 10^6
Prime Factorization
28942021
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28942021
Product of the distinct prime numbers
The prime factorization of 28942021 is 28942021.
Since it has a total of 1 prime factors.
9 , 3 , 36 , 14 , 248 , 89 , 3228 , 5377 , 14143 , 10650 , 785738 , 40752 , 5703929 , 3701717 , 61626446 , 69106806 , 162237952 , 514748238 , 168190612 , 5901735230
n×2
57884042
n×3
86826063
n×4
115768084
n×5
144710105
n÷2
14471010.5
n÷3
9647340.3333333
n÷3
7235505.25
n÷5
5788404.2
n2
837640579564441
n3
2.4243011244206E+22
n4
7.0164174053305E+29
n5
2.0306929988984E+37
2 √n
5379.7788988024
3 √n
307.02679900593
4 √n
73.34697607129
5 √n
31.067461646442
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28942022
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14471011
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5379.7789917431
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999308963
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28942021 can be divided by 2 positive divisors.
The sum of these divisors (counting 28942021) is 28942022, the average is 14471011.
Base
System
Value
2
Binary
1101110011001111011000101
3
Ternary
2000110101222201
4
Quaternary
1232121323011
5
Quinary
24402121041
6
Senary
2512154501
8
Octal
156317305
10
Decimal
28942021
12
Duodecimal
9838a31
16
Hexadecimal
1b99ec5
20
Vigesimal
90hf11
36
Base36
h8bt1
md5
cf16cc8d26779592cecab4aff183c544
sha1
a1c40b63f05ed62add56b6f83877ef1279e109c6
sha256
e96bc889a8fbdc9b061889a4761ee29f889a3697c9b3890eabacd1c23cda6439
sha512
6ff3534ac6cf6274e0c5693a52170af8d20968b3900bfa088427c22078b0706f4887ffed9fc1b9cef5c6633cf1e33678e3a6e4c6e86bd3353dd031a7f03e1614
ripemd-160
708ed4dbfae5e0708f7a041749aabf9892959820
Diameter
57884042
Circumference
181848081.10728
Area
2.6315254911083E+15
Volume
1.0154888803426E+23
Surface area
1.0526101964433E+16
Circumference
181848081.10728
Perimeter
115768084
Area
837640579564441
Diagonal
40930198.620687
Surface area
5025843477386646
Volume
2.4243011244206E+22
Space diagonal
50129050.845725
Perimeter
86826063
Area
3.6270901057176E+14
Altitude
25064525.422863
Surface area
3.6270901057176E+14
Volume
2.8570662745267E+21
Height
13643399.540229