820161208 is an even 9-digits composite number following 820161207
and preceding 820161209 . In scientific notation, it is written as 8.20161208 × 10^8.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 406020000 positive integers (up to 820161208) that are relatively prime to 820161208.
820161208 has 16 divisors, whose sum is 1553029560
The reverse of 820161208 is 802161028
Previous prime number is 101
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
eight hundred twenty million one hundred sixty-one thousand two hundred eight
Scientific notation
8.20161208 × 10^8
Engineering notation
8.20161208 × 10^6
Prime Factorization
2 × 2 × 2 × 101 × 1015051
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
205040302
Product of the distinct prime numbers
The prime factorization of 820161208 is 2 × 2 × 2 × 101 × 1015051.
Since it has a total of 5 prime factors.
8 , 10 , 45 , 12 , 278 , 647 , 2734 , 6018 , 99153 , 47002 , 382931 , 346240 , 1310676 , 903733 , 94508978 , 74027030 , 639140337 , 605015204 , 2572419629 , 5266134592
n×2
1640322416
n×3
2460483624
n×4
3280644832
n×5
4100806040
n÷2
410080604
n÷3
273387069.33333
n÷3
205040302
n÷5
164032241.6
n2
672664407108019264
n3
5.5169325271232E+26
n4
4.5247740458998E+35
n5
3.7110441474123E+44
2 √n
28638.456802
3 √n
936.0514953284
4 √n
169.22900697575
5 √n
60.642883711006
1 , 2 , 4 , 8 , 101 , 202 , 404 , 808 , 1015051 , 2030102 , 4060204 , 8120408 , 102520151 , 205040302 , 410080604 , 820161208
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
-820161207
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 820161208 can be divided by 16 positive divisors.
The sum of these divisors (counting 820161208) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000111000101010101010111000
3
Ternary
2010011021111200001
4
Quaternary
300320222222320
5
Quinary
3134430124313
6
Senary
213214522344
8
Octal
6070525270
10
Decimal
820161208
12
Duodecimal
1aa8063b4
16
Hexadecimal
30e2aab8
20
Vigesimal
cg60308
36
Base36
dkawfs
md5
0ba80f054ff3751403c64d982b99b6b1
sha1
ba5a4fdec3f9b9b2223621cb7fc527a30c80ec86
sha256
fa76e289d732f58bf33e1e78d05a15f187e42a6ba7e3c56a20ee26584dccce1e
sha512
666ad5d29fc83ba8e9ad9f9d58dace6f8fff41b7426adb9f920d1ffd151d7ef77a205e86b719d96a4ccb1aef0148cad7df4c5a8e1762298fe36da355a7f8cd78
ripemd-160
e3f52eb4e7ea67fc585489a93e0182e4013eae68
Diameter
1640322416
Circumference
5153224851.6243
Area
2.1132375597019E+18
Volume
2.3109272930081E+27
Surface area
8.4529502388075E+18
Circumference
5153224851.6243
Perimeter
3280644832
Area
672664407108019264
Diagonal
1159883103.6859
Surface area
4035986442648115584
Volume
5.5169325271232E+26
Space diagonal
1420560882.6531
Perimeter
2460483624
Area
2.9127223238857E+17
Altitude
710280441.32653
Surface area
2.9127223238857E+17
Volume
6.5017673354624E+25
Height
386627701.22863