1028821493 is an odd 10-digits composite number following 1028821492
and preceding 1028821494 . In scientific notation, it is written as 1.028821493 × 10^9.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 863082360 positive integers (up to 1028821493) that are relatively prime to 1028821493.
1028821493 has 4 divisors, whose sum is 1029270528
The reverse of 1028821493 is 3941288201
Previous prime number is 2303
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 38
Digital Root 2
Name
one billion twenty-eight million eight hundred twenty-one thousand four hundred ninety-three
Scientific notation
1.028821493 × 10^9
Engineering notation
1.028821493 × 10^9
Prime Factorization
2303 × 446731
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1028821493
Product of the distinct prime numbers
The prime factorization of 1028821493 is 2303 × 446731.
Since it has a total of 2 prime factors.
6 , 3 , 72 , 34 , 376 , 596 , 1119 , 5789 , 96277 , 36673 , 147737 , 159723 , 7550300 , 3609980 , 46105230 , 95573411 , 679795567 , 86433850 , 6230152973 , 9870878569
n×2
2057642986
n×3
3086464479
n×4
4115285972
n×5
5144107465
n÷2
514410746.5
n÷3
342940497.66667
n÷3
257205373.25
n÷5
205764298.6
n2
1058473664458749049
n3
1.0889804557696E+27
n4
1.1203664983527E+36
n5
1.1526571335424E+45
2 √n
32075.247356801
3 √n
1009.5163167815
4 √n
179.09563745888
5 √n
63.455315197612
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1028821492
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1028821493 can be divided by 4 positive divisors.
The sum of these divisors (counting 1028821493) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010100101001000111110101
3
Ternary
2122200220112202202
4
Quaternary
331110221013311
5
Quinary
4101334241433
6
Senary
250031114245
8
Octal
7524510765
10
Decimal
1028821493
12
Duodecimal
248672985
16
Hexadecimal
3d5291f5
20
Vigesimal
g1a2ded
36
Base36
h0j7qt
md5
3067a512e93ab7805e6eaa8e1a5aebd2
sha1
f9912166713b6de039af756a529abe5bc8900026
sha256
33f399824fc4e944deb68e063dc318a86fa928cc4a20e3a98f3eb4700b393971
sha512
ee0f4868e5754eeea8dd28b7eaf2bd5ef04bff034cb519050bc49698e0b799b7f29cc431606980d6327f55582989bc43c7c83b13b7424c609a99947ca5e24733
ripemd-160
acfbc81cf232c08a255c74af93536c98204e5cd0
Diameter
2057642986
Circumference
6464276088.5282
Area
3.3252930882819E+18
Volume
4.5615106663317E+27
Surface area
1.3301172353127E+19
Circumference
6464276088.5282
Perimeter
4115285972
Area
1058473664458749049
Diagonal
1454973308.6615
Surface area
6350841986752494294
Volume
1.0889804557696E+27
Space diagonal
1781971097.7949
Perimeter
3086464479
Area
4.5833254132904E+17
Altitude
890985548.89743
Surface area
4.5833254132904E+17
Volume
1.2833757747572E+26
Height
484991102.88718