816538861 is an odd 9-digits composite number following 816538860
and preceding 816538862 . In scientific notation, it is written as 8.16538861 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 815982300 positive integers (up to 816538861) that are relatively prime to 816538861.
816538861 has 4 divisors, whose sum is 817095424
The reverse of 816538861 is 168835618
Previous prime number is 1471
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
eight hundred sixteen million five hundred thirty-eight thousand eight hundred sixty-one
Scientific notation
8.16538861 × 10^8
Engineering notation
8.16538861 × 10^6
Prime Factorization
1471 × 555091
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
816538861
Product of the distinct prime numbers
The prime factorization of 816538861 is 1471 × 555091.
Since it has a total of 2 prime factors.
4 , 1 , 68 , 88 , 640 , 753 , 8395 , 7079 , 76922 , 73604 , 961744 , 646087 , 7405052 , 4453930 , 61966161 , 23781403 , 901695381 , 412782476 , 7759522807 , 9154823015
n×2
1633077722
n×3
2449616583
n×4
3266155444
n×5
4082694305
n÷2
408269430.5
n÷3
272179620.33333
n÷3
204134715.25
n÷5
163307772.2
n2
666735711523177321
n3
5.4441561847516E+26
n4
4.4453650902032E+35
n5
3.6298133474837E+44
2 √n
28575.144111623
3 √n
934.67139777258
4 √n
169.04184130452
5 √n
60.589221412219
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
-816538860
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 816538861 can be divided by 4 positive divisors.
The sum of these divisors (counting 816538861) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000101010110110010011101101
3
Ternary
2002220110110202001
4
Quaternary
300222312103231
5
Quinary
3133013220421
6
Senary
213005132301
8
Octal
6052662355
10
Decimal
816538861
12
Duodecimal
1a955a091
16
Hexadecimal
30ab64ed
20
Vigesimal
cf37731
36
Base36
di59f1
md5
efccfb21d7f6e5627ce50e309ecd49ad
sha1
6bc07a29948b076344495052b18deda7c6f2b220
sha256
ae6a67ad2ec472bc07f3d7fcafa1857b8a12209c6572c9143b3034ba6ed89a23
sha512
838b35fd6abeaa90d0231fe48163bdbf47fecde7f3a9bcfe4b94d4ce347319612c83b87b09d22f0ae71d8abdd9060c39b09ab32902af3201ccc489c9378da383
ripemd-160
ba3dbde8e481bef652168fc45c9583c77a4e2a4f
Diameter
1633077722
Circumference
5130464974.1764
Area
2.0946120132072E+18
Volume
2.2804428100015E+27
Surface area
8.3784480528287E+18
Circumference
5130464974.1764
Perimeter
3266155444
Area
666735711523177321
Diagonal
1154760331.4309
Surface area
4000414269139063926
Volume
5.4441561847516E+26
Space diagonal
1414286793.6064
Perimeter
2449616583
Area
2.8870503189468E+17
Altitude
707143396.80321
Surface area
2.8870503189468E+17
Volume
6.4159995934609E+25
Height
384920110.47696