72118081 is an odd 8-digits composite number following 72118080
and preceding 72118082 . In scientific notation, it is written as 7.2118081 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 61815492 positive integers (up to 72118081) that are relatively prime to 72118081.
72118081 has 4 divisors, whose sum is 82420672
The reverse of 72118081 is 18081127
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
seventy-two million one hundred eighteen thousand eighty-one
Scientific notation
7.2118081 × 10^7
Engineering notation
7.2118081 × 10^6
Prime Factorization
7 × 10302583
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72118081
Product of the distinct prime numbers
The prime factorization of 72118081 is 7 × 10302583.
Since it has a total of 2 prime factors.
5 , 10 , 95 , 86 , 330 , 993 , 267 , 5304 , 83375 , 18111 , 573716 , 510045 , 2443741 , 3234547 , 77711310 , 64427317 , 128901797 , 15050520 , 6166058426 , 7088637649
n×2
144236162
n×3
216354243
n×4
288472324
n×5
360590405
n÷2
36059040.5
n÷3
24039360.333333
n÷3
18029520.25
n÷5
14423616.2
n2
5201017607122561
n3
3.7508740907289E+23
n4
2.7050584149599E+31
n5
1.9508362187981E+39
2 √n
8492.236513428
3 √n
416.24406482112
4 √n
92.153331537324
5 √n
37.291412397142
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
-72118080
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 72118081 can be divided by 4 positive divisors.
The sum of these divisors (counting 72118081) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010011000110111101000001
3
Ternary
12000200222102001
4
Quaternary
10103012331001
5
Quinary
121430234311
6
Senary
11053424001
8
Octal
423067501
10
Decimal
72118081
12
Duodecimal
2019b001
16
Hexadecimal
44c6f41
20
Vigesimal
12aef41
36
Base36
16xqo1
md5
b0d1f7cce7a7b92a894b26e0bbd9b162
sha1
fe36fccada63a7f54916efc65e9a93042c057fea
sha256
20050f6eb002700fa13b306179089aac93d48a70a204559189adc322fd592f9d
sha512
a49f7a66beb52c292d49e128ad7e47265d09f174cd0081963261c5fa6ccc38cb866b34b7701aca2da6e229e143abcab559906497f7d3b23731bd6cd5b21fcaf6
ripemd-160
b5e26a5d3b1abce6f5ceb6a2507bf8c1850d4a32
Diameter
144236162
Circumference
453131266.92119
Area
1.6339478705727E+16
Volume
1.5711624650632E+24
Surface area
6.535791482291E+16
Circumference
453131266.92119
Perimeter
288472324
Area
5201017607122561
Diagonal
101990368.24252
Surface area
31206105642735366
Volume
3.7508740907289E+23
Space diagonal
124912180.43637
Perimeter
216354243
Area
2.2521066866491E+15
Altitude
62456090.218184
Surface area
2.2521066866491E+15
Volume
4.4204475082189E+22
Height
33996789.414174