72164945 is an odd 8-digits composite number following 72164944
and preceding 72164946 . In scientific notation, it is written as 7.2164945 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 54693360 positive integers (up to 72164945) that are relatively prime to 72164945.
72164945 has 8 divisors, whose sum is 91155840
The reverse of 72164945 is 54946127
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million one hundred sixty-four thousand nine hundred forty-five
Scientific notation
7.2164945 × 10^7
Engineering notation
7.2164945 × 10^6
Prime Factorization
5 × 19 × 759631
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72164945
Product of the distinct prime numbers
The prime factorization of 72164945 is 5 × 19 × 759631.
Since it has a total of 3 prime factors.
7 , 4 , 88 , 87 , 338 , 838 , 6422 , 8361 , 99369 , 71773 , 328245 , 899033 , 8583038 , 9239683 , 50148408 , 74617557 , 84357057 , 774345871 , 8149724862 , 9382424464
n×2
144329890
n×3
216494835
n×4
288659780
n×5
360824725
n÷2
36082472.5
n÷3
24054981.666667
n÷3
18041236.25
n÷5
14432989
n2
5207779286853025
n3
3.7581910580789E+23
n4
2.7120965100575E+31
n5
1.9571829548299E+39
2 √n
8494.9952913465
3 √n
416.33420697766
4 √n
92.16829873306
5 √n
37.296257702631
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72164944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72164945 can be divided by 8 positive divisors.
The sum of these divisors (counting 72164945) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011010010011001010001
3
Ternary
12000210100200202
4
Quaternary
10103102121101
5
Quinary
121433234240
6
Senary
11054424545
8
Octal
423223121
10
Decimal
72164945
12
Duodecimal
20202155
16
Hexadecimal
44d2651
20
Vigesimal
12b0c75
36
Base36
16yqtt
md5
ac6c1d3b33c7a498ce9616fca33c4cad
sha1
8265d18e45d124d1725acf4e378295e09b877c66
sha256
4ed41f3ee6a0a129c5d70ae1c243dfa02ff83af83e503691b5abf2535d6bcbf1
sha512
b5e3c7e2167476ff4b2c569b3d122e583134dc43e72d800b06969728c5ae5427c433e9a745c53f39bbede0c593e37601e4a68abdb952b9e01e55e5cade480e4c
ripemd-160
fddb5ee7e9f0d675cffbca82e2a200b8c8c8f467
Diameter
144329890
Circumference
453425722.11742
Area
1.6360721149095E+16
Volume
1.5742273891797E+24
Surface area
6.5442884596378E+16
Circumference
453425722.11742
Perimeter
288659780
Area
5207779286853025
Diagonal
102056643.94691
Surface area
31246675721118150
Volume
3.7581910580789E+23
Space diagonal
124993351.26541
Perimeter
216494835
Area
2.2550345798586E+15
Altitude
62496675.632707
Surface area
2.2550345798586E+15
Volume
4.429070636937E+22
Height
34018881.315636