820161268 is an even 9-digits composite number following 820161267
and preceding 820161269 . In scientific notation, it is written as 8.20161268 × 10^8.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 409673792 positive integers (up to 820161268) that are relatively prime to 820161268.
820161268 has 12 divisors, whose sum is 1436706180
The reverse of 820161268 is 862161028
Previous prime number is 1013
Is Prime? no Number parity even Number length 9 Sum of Digits 34 Digital Root 7
Name
eight hundred twenty million one hundred sixty-one thousand two hundred sixty-eight
Scientific notation
8.20161268 × 10^8
Engineering notation
8.20161268 × 10^6
Prime Factorization
2 × 2 × 1013 × 202409
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
410080634 Product of the distinct prime numbers
The prime factorization of 820161268 is 2 × 2 × 1013 × 202409.
Since it has a total of 4 prime factors.
8 , 8 , 4 , 17 , 671 , 873 , 2037 , 269 , 36270 , 94097 , 778503 , 351379 , 2432396 , 169516 , 77400730 , 47997353 , 916642004 , 530225083 , 6503987592 , 9123303090
n×2
1640322536
n×3
2460483804
n×4
3280645072
n×5
4100806340
n÷2
410080634
n÷3
273387089.33333
n÷3
205040317
n÷5
164032253.6
n2
672664505527367824
n3
5.5169337379192E+26
n4
4.5247753699638E+35
n5
3.7110455048447E+44
2 √n28638.457849542
3 √n936.05151815444
4 √n169.2290100708
5 √n60.642884598288
1 , 2 , 4 , 1013 , 2026 , 4052 , 202409 , 404818 , 809636 , 205040317 , 410080634 , 820161268
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-820161267 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 820161268 can be divided by 12 positive divisors.
The sum of these divisors (counting 820161268) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000111000101010101011110100
3
Ternary
2010011021111202021
4
Quaternary
300320222223310
5
Quinary
3134430130033
6
Senary
213214522524
8
Octal
6070525364
10
Decimal
820161268
12
Duodecimal
1aa806444
16
Hexadecimal
30e2aaf4
20
Vigesimal
cg60338
36
Base36
dkawhg
md5
3a94782f78821c4095a90454ab336763
sha1
e509c690f8133e5963a425fb9a064cc4b0551446
sha256
a2890e613ba1cc5502bbbaaecb20dbf9da9e2deed8ec078806bf6716e9691730
sha512
bae55e8cf732d6f336e39c87c238990b1d41d743d8f13881a28fe9f4967e280a1262f3ea8e877b78a80812140e988c805adfe3f45cfb1b76397813d88d68c2c5
ripemd-160
db1fb8a486b59b668edeea53075208ae88dd78d7
Diameter
1640322536
Circumference
5153225228.6154
Area
2.1132378688954E+18
Volume
2.3109278001851E+27
Surface area
8.4529514755816E+18
Circumference
5153225228.6154
Perimeter
3280645072
Area
672664505527367824
Diagonal
1159883188.5387
Surface area
4035987033164206944
Volume
5.5169337379192E+26
Space diagonal
1420560986.5761
Perimeter
2460483804
Area
2.912722750054E+17
Altitude
710280493.28806
Surface area
2.912722750054E+17
Volume
6.5017687623992E+25
Height
386627729.5129