642743269 is an odd 9-digits composite number following 642743268
and preceding 642743270 . In scientific notation, it is written as 6.42743269 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 531925296 positive integers (up to 642743269) that are relatively prime to 642743269.
642743269 has 8 divisors, whose sum is 759893760
The reverse of 642743269 is 962347246
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
six hundred forty-two million seven hundred forty-three thousand two hundred sixty-nine
Scientific notation
6.42743269 × 10^8
Engineering notation
6.42743269 × 10^6
Prime Factorization
7 × 29 × 3166223
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642743269
Product of the distinct prime numbers
The prime factorization of 642743269 is 7 × 29 × 3166223.
Since it has a total of 3 prime factors.
4 , 3 , 48 , 49 , 930 , 161 , 5623 , 5727 , 56812 , 19199 , 19986 , 371325 , 4034778 , 3972713 , 58498224 , 50429951 , 106548283 , 144287150 , 9404043190 , 6455120308
n×2
1285486538
n×3
1928229807
n×4
2570973076
n×5
3213716345
n÷2
321371634.5
n÷3
214247756.33333
n÷3
160685817.25
n÷5
128548653.8
n2
413118909844806361
n3
2.6552939859937E+26
n4
1.7066723367136E+35
n5
1.0969521568112E+44
2 √n
25352.381919654
3 √n
863.00341133509
4 √n
159.22431321772
5 √n
57.757383056992
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
-642743268
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 642743269 can be divided by 8 positive divisors.
The sum of these divisors (counting 642743269) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010011110111101111100101
3
Ternary
1122210102202000021
4
Quaternary
212103313233211
5
Quinary
2304020241034
6
Senary
143440115141
8
Octal
4623675745
10
Decimal
642743269
12
Duodecimal
15b305ab1
16
Hexadecimal
264f7be5
20
Vigesimal
a0h2i39
36
Base36
amo7vp
md5
8630f038644d0d3b687603352d59eb7f
sha1
de39f1db4320bbfa2e07c35473c6366dc91ea96e
sha256
7883c80d1c7a6484d6421da71d740cbded730d4d5fbf54ff1b2df3c64700fb2b
sha512
6707c96da8fb9d01dadae7886e0f03eaa118fbb2e0a20defd42086755891547e47aa91ae52bbe496f9f0dc6db0c721f97d11db85cb154717b1d2b2fe5125e7a6
ripemd-160
c448e57aa0953aab22507815f7649a26cadc799b
Diameter
1285486538
Circumference
4038475064.0694
Area
1.2978513322275E+18
Volume
1.1122469439359E+27
Surface area
5.1914053289099E+18
Circumference
4038475064.0694
Perimeter
2570973076
Area
413118909844806361
Diagonal
908976248.14382
Surface area
2478713459068838166
Volume
2.6552939859937E+26
Space diagonal
1113263998.1309
Perimeter
1928229807
Area
1.7888573535467E+17
Altitude
556631999.06546
Surface area
1.7888573535467E+17
Volume
3.1292939725666E+25
Height
302992082.71461