72164081 is an odd 8-digits composite number following 72164080
and preceding 72164082 . In scientific notation, it is written as 7.2164081 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 65603700 positive integers (up to 72164081) that are relatively prime to 72164081.
72164081 has 4 divisors, whose sum is 78724464
The reverse of 72164081 is 18046127
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy-two million one hundred sixty-four thousand eighty-one
Scientific notation
7.2164081 × 10^7
Engineering notation
7.2164081 × 10^6
Prime Factorization
11 × 6560371
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72164081
Product of the distinct prime numbers
The prime factorization of 72164081 is 11 × 6560371.
Since it has a total of 2 prime factors.
3 , 10 , 61 , 7 , 391 , 103 , 1629 , 8291 , 99859 , 34368 , 457107 , 192412 , 1706788 , 8742520 , 63987067 , 26417654 , 768494890 , 103101793 , 1598084197 , 7786667243
n×2
144328162
n×3
216492243
n×4
288656324
n×5
360820405
n÷2
36082040.5
n÷3
24054693.666667
n÷3
18041020.25
n÷5
14432816.2
n2
5207654586574561
n3
3.7580560740559E+23
n4
2.7119666293071E+31
n5
1.9570657950661E+39
2 √n
8494.9444377229
3 √n
416.33254544061
4 √n
92.168022858923
5 √n
37.296168395777
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
-72164080
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 72164081 can be divided by 4 positive divisors.
The sum of these divisors (counting 72164081) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010011010010001011110001
3
Ternary
12000210022111202
4
Quaternary
10103102023301
5
Quinary
121433222311
6
Senary
11054420545
8
Octal
423221361
10
Decimal
72164081
12
Duodecimal
20201755
16
Hexadecimal
44d22f1
20
Vigesimal
12b0a41
36
Base36
16yq5t
md5
ddba05e90dd18be99c1c32334cb5f91e
sha1
2e4257c9fdc450ecd02d6b5477f59ef6633ee177
sha256
8596bed4149f8999b4022847273f71e35af78c246a92cf66a12addd89bb8455b
sha512
cad6fb99dfedbb4773ac346b6dcd6d4a0ba381daeff408dac700782409b6553f16d888d788b1f47255e641ee154802c8003dd343746ec255fc61634de2b2a5eb
ripemd-160
11296d62dc1f25180ac787a836ee7cea4af7066f
Diameter
144328162
Circumference
453420293.44532
Area
1.6360329391616E+16
Volume
1.5741708472043E+24
Surface area
6.5441317566463E+16
Circumference
453420293.44532
Perimeter
288656324
Area
5207654586574561
Diagonal
102055422.06639
Surface area
31245927519447366
Volume
3.7580560740559E+23
Space diagonal
124991854.77352
Perimeter
216492243
Area
2.2549805830541E+15
Altitude
62495927.386758
Surface area
2.2549805830541E+15
Volume
4.4289115567403E+22
Height
34018474.02213