813128839 is an odd 9-digits composite number following 813128838
and preceding 813128840 . In scientific notation, it is written as 8.13128839 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 778454208 positive integers (up to 813128839) that are relatively prime to 813128839.
813128839 has 16 divisors, whose sum is 848719872
The reverse of 813128839 is 938821318
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
eight hundred thirteen million one hundred twenty-eight thousand eight hundred thirty-nine
Scientific notation
8.13128839 × 10^8
Engineering notation
8.13128839 × 10^6
Prime Factorization
43 × 83 × 137 × 1663
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
813128839
Product of the distinct prime numbers
The prime factorization of 813128839 is 43 × 83 × 137 × 1663.
Since it has a total of 4 prime factors.
2 , 3 , 69 , 81 , 488 , 852 , 1551 , 9903 , 4453 , 75625 , 239924 , 206132 , 7122362 , 6668356 , 98948627 , 39676565 , 229448661 , 675579648 , 5723657240 , 2916804605
n×2
1626257678
n×3
2439386517
n×4
3252515356
n×5
4065644195
n÷2
406564419.5
n÷3
271042946.33333
n÷3
203282209.75
n÷5
162625767.8
n2
661178508813487921
n3
5.3762331324326E+26
n4
4.3715702051683E+35
n5
3.5546498055355E+44
2 √n
28515.414059768
3 √n
933.36846031343
4 √n
168.86507649531
5 √n
60.5385302343
1 , 43 , 83 , 137 , 1663 , 3569 , 5891 , 11371 , 71509 , 138029 , 227831 , 488953 , 5935247 , 9796733 , 18909973 , 813128839
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-813128838
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 813128839 can be divided by 16 positive divisors.
The sum of these divisors (counting 813128839) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000011101110101110010000111
3
Ternary
2002200001020001221
4
Quaternary
300131311302013
5
Quinary
3131130110324
6
Senary
212404101211
8
Octal
6035656207
10
Decimal
813128839
12
Duodecimal
1a8394807
16
Hexadecimal
30775c87
20
Vigesimal
ce2121j
36
Base36
dg4687
md5
afe75fefae4083aea577d16e41b4b53a
sha1
6f8ba2a29e501e42dacccb513c181f4d9dd334d0
sha256
de3451f27c0aa198e20458fe84824713b17fa355df780ea643669068577e73ec
sha512
41ca5261e40ccbcd8daee8413eb1ea7c6af4c2034328bcf2c43ed3be5f5dcce49e44f1ba9cd3e3a2d6575c2f799a54f7279ffed8d6d5486001ad5e5656655059
ripemd-160
27e8cb8827e9c6792573a816a344d7b366328594
Diameter
1626257678
Circumference
5109039174.0488
Area
2.0771535459999E+18
Volume
2.2519912683782E+27
Surface area
8.3086141839996E+18
Circumference
5109039174.0488
Perimeter
3252515356
Area
661178508813487921
Diagonal
1149937832.0705
Surface area
3967071052880927526
Volume
5.3762331324326E+26
Space diagonal
1408380462.2475
Perimeter
2439386517
Area
2.862986925344E+17
Altitude
704190231.12375
Surface area
2.862986925344E+17
Volume
6.3359515086382E+25
Height
383312610.69016