816085909 is an odd 9-digits composite number following 816085908
and preceding 816085910 . In scientific notation, it is written as 8.16085909 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 816028416 positive integers (up to 816085909) that are relatively prime to 816085909.
816085909 has 4 divisors, whose sum is 816143404
The reverse of 816085909 is 909580618
Previous prime number is 31957
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
eight hundred sixteen million eighty-five thousand nine hundred nine
Scientific notation
8.16085909 × 10^8
Engineering notation
8.16085909 × 10^6
Prime Factorization
31957 × 25537
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
816085909
Product of the distinct prime numbers
The prime factorization of 816085909 is 31957 × 25537.
Since it has a total of 2 prime factors.
1 , 5 , 17 , 68 , 196 , 177 , 450 , 2550 , 81840 , 39810 , 708566 , 982757 , 5762805 , 7695829 , 77787225 , 27418824 , 778605274 , 453333570 , 9312705150 , 6879124410
n×2
1632171818
n×3
2448257727
n×4
3264343636
n×5
4080429545
n÷2
408042954.5
n÷3
272028636.33333
n÷3
204021477.25
n÷5
163217181.8
n2
665996210868356281
n3
5.4351012313706E+26
n4
4.4355095289101E+35
n5
3.6197568257787E+44
2 √n
28567.217382867
3 √n
934.49853823667
4 √n
169.01839362291
5 √n
60.582497886402
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
-816085908
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 816085909 can be divided by 4 positive divisors.
The sum of these divisors (counting 816085909) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000101001000111101110010101
3
Ternary
2002212121110102001
4
Quaternary
300221013232111
5
Quinary
3132404222114
6
Senary
212551315301
8
Octal
6051075625
10
Decimal
816085909
12
Duodecimal
1a937bb31
16
Hexadecimal
30a47b95
20
Vigesimal
cf0aef9
36
Base36
dhvjx1
md5
3c53b499c58b61dbedd52c3e9d9b30a5
sha1
f0cc5701f7fa348fa20eb49e364863c25669b814
sha256
dca196c446bd1e24e02a6a52a4523f755c7e7cc688a29a347206dee04972a985
sha512
da41b94a53d2273c1c92567497a9e0ea139b10fc5e0c7b3d08f50030a9469df21516bdc89dc29e154b6939be1d4be912d9cabd1b10c3e774a9c2eab09ee5c044
ripemd-160
a843f2f9818ec85566d7707ad6c0901f53a80406
Diameter
1632171818
Circumference
5127618992.8251
Area
2.0922888033827E+18
Volume
2.2766498799988E+27
Surface area
8.3691552135307E+18
Circumference
5127618992.8251
Perimeter
3264343636
Area
665996210868356281
Diagonal
1154119760.5694
Surface area
3995977265210137686
Volume
5.4351012313706E+26
Space diagonal
1413502257.729
Perimeter
2448257727
Area
2.8838481871809E+17
Altitude
706751128.86452
Surface area
2.8838481871809E+17
Volume
6.4053282285625E+25
Height
384706586.85646