1028298691 is an odd 10-digits composite number following 1028298690
and preceding 1028298692 . In scientific notation, it is written as 1.028298691 × 10^9.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 880713600 positive integers (up to 1028298691) that are relatively prime to 1028298691.
1028298691 has 8 divisors, whose sum is 1176112224
The reverse of 1028298691 is 1968928201
Previous prime number is 1301
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion twenty-eight million two hundred ninety-eight thousand six hundred ninety-one
Scientific notation
1.028298691 × 10^9
Engineering notation
1.028298691 × 10^9
Prime Factorization
7 × 1301 × 112913
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1028298691
Product of the distinct prime numbers
The prime factorization of 1028298691 is 7 × 1301 × 112913.
Since it has a total of 3 prime factors.
3 , 6 , 67 , 79 , 185 , 919 , 1455 , 6422 , 37986 , 25215 , 515754 , 822022 , 3081719 , 1209530 , 45125334 , 52024102 , 20850296 , 907870581 , 1580334477 , 9411242275
n×2
2056597382
n×3
3084896073
n×4
4113194764
n×5
5141493455
n÷2
514149345.5
n÷3
342766230.33333
n÷3
257074672.75
n÷5
205659738.2
n2
1057398197912313481
n3
1.087321182779E+27
n4
1.1180909489482E+36
n5
1.1497314592224E+45
2 √n
32067.096703631
3 √n
1009.3452904904
4 √n
179.07288098322
5 √n
63.448864844247
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1028298690
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1028298691 can be divided by 8 positive divisors.
The sum of these divisors (counting 1028298691) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101010010101001011111000011
3
Ternary
2122122220222121201
4
Quaternary
331102221133003
5
Quinary
4101221024231
6
Senary
250012002031
8
Octal
7522513703
10
Decimal
1028298691
12
Duodecimal
248460317
16
Hexadecimal
3d4a97c3
20
Vigesimal
g16h6eb
36
Base36
h080cj
md5
6a73caa5a2ecfb82b488ff4f59567b56
sha1
613cc1028603947fdc4a5f92fa7dfe8b2d3fde6f
sha256
f4ad9d13ec6690ce9707213bfdd1573d0b174e0b26598600dd70ff96dcb60b12
sha512
93415d4391273e81952b51b8484010b28884ed28678a0004f06d9443b6632bfc16fd3c1d60b4860638e77207fa513d607a792b1a5852aef1d917c631f8d5d6b8
ripemd-160
547bb740a0ac7864a99a7f8b25a60ed967230d4c
Diameter
2056597382
Circumference
6460991226.6832
Area
3.3219144104804E+18
Volume
4.5545603198814E+27
Surface area
1.3287657641922E+19
Circumference
6460991226.6832
Perimeter
4113194764
Area
1057398197912313481
Diagonal
1454233954.9827
Surface area
6344389187473880886
Volume
1.087321182779E+27
Space diagonal
1781065578.1686
Perimeter
3084896073
Area
4.5786685065397E+17
Altitude
890532789.08428
Surface area
4.5786685065397E+17
Volume
1.2814203027847E+26
Height
484744651.6609