813612985 is an odd 9-digits composite number following 813612984
and preceding 813612986 . In scientific notation, it is written as 8.13612985 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 650890384 positive integers (up to 813612985) that are relatively prime to 813612985.
813612985 has 4 divisors, whose sum is 976335588
The reverse of 813612985 is 589216318
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
eight hundred thirteen million six hundred twelve thousand nine hundred eighty-five
Scientific notation
8.13612985 × 10^8
Engineering notation
8.13612985 × 10^6
Prime Factorization
5 × 162722597
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
813612985
Product of the distinct prime numbers
The prime factorization of 813612985 is 5 × 162722597.
Since it has a total of 2 prime factors.
5 , 8 , 33 , 17 , 197 , 232 , 175 , 3292 , 69979 , 91326 , 58386 , 757471 , 7098225 , 7350762 , 88654499 , 68298545 , 931836502 , 74521668 , 2941600834 , 2906480562
n×2
1627225970
n×3
2440838955
n×4
3254451940
n×5
4068064925
n÷2
406806492.5
n÷3
271204328.33333
n÷3
203403246.25
n÷5
162722597
n2
661966089360610225
n3
5.3858420593346E+26
n4
4.3819910346338E+35
n5
3.5652448059316E+44
2 √n
28523.901994643
3 √n
933.5536695646
4 √n
168.89020692344
5 √n
60.545737581492
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
-813612984
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 813612985 can be divided by 4 positive divisors.
The sum of these divisors (counting 813612985) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000011111101011111110111001
3
Ternary
2002200221211012021
4
Quaternary
300133223332321
5
Quinary
3131241103420
6
Senary
212422314441
8
Octal
6037537671
10
Decimal
813612985
12
Duodecimal
1a8588a21
16
Hexadecimal
307ebfb9
20
Vigesimal
ce51c95
36
Base36
dgejsp
md5
d1a5c151e5bfe84cf732943f221cd424
sha1
2ef0ecec9121df56f7bfa89089d9ec4a952bc842
sha256
642ee496e2960e57bbcb7f6fc43c4a8a030bac90d6b9e53f501206a991602335
sha512
11156162c743de237bd0ffbb17dcd7da5ead5fb50e018157576398f1abd83b23fa3cf3149e7e27d81a8557dd738cccbfa5f6e7a1cd1df025c2f462f7f9802e57
ripemd-160
d28137ac3f7410d0c65292dcce7b702b7b5dd414
Diameter
1627225970
Circumference
5112081153.0825
Area
2.0796278032609E+18
Volume
2.2560162462667E+27
Surface area
8.3185112130434E+18
Circumference
5112081153.0825
Perimeter
3254451940
Area
661966089360610225
Diagonal
1150622517.9099
Surface area
3971796536163661350
Volume
5.3858420593346E+26
Space diagonal
1409219027.7178
Perimeter
2440838955
Area
2.8663972491506E+17
Altitude
704609513.85889
Surface area
2.8663972491506E+17
Volume
6.3472757375921E+25
Height
383540839.30329