72188865 is an odd 8-digits composite number following 72188864
and preceding 72188866 . In scientific notation, it is written as 7.2188865 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 33000480 positive integers (up to 72188865) that are relatively prime to 72188865.
72188865 has 8 divisors, whose sum is 82501920
The reverse of 72188865 is 56888127
Previous prime number is 35
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-two million one hundred eighty-eight thousand eight hundred sixty-five
Scientific notation
7.2188865 × 10^7
Engineering notation
7.2188865 × 10^6
Prime Factorization
9 × 35 × 229171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72188865
Product of the distinct prime numbers
The prime factorization of 72188865 is 9 × 35 × 229171.
Since it has a total of 3 prime factors.
2 , 1 , 61 , 87 , 453 , 945 , 5832 , 3650 , 69455 , 76183 , 556408 , 107713 , 3245875 , 4552504 , 25433970 , 85096791 , 33017907 , 761179530 , 7778544069 , 1333966468
n×2
144377730
n×3
216566595
n×4
288755460
n×5
360944325
n÷2
36094432.5
n÷3
24062955
n÷3
18047216.25
n÷5
14437773
n2
5211232229988225
n3
3.7619293993427E+23
n4
2.7156941354868E+31
n5
1.9604287732795E+39
2 √n
8496.403062473
3 √n
416.38020167365
4 √n
92.175935376176
5 √n
37.29872983983
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
-72188864
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 72188865 can be divided by 8 positive divisors.
The sum of these divisors (counting 72188865) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011011000001111000001
3
Ternary
12000211120111200
4
Quaternary
10103120033001
5
Quinary
121440020430
6
Senary
11055131413
8
Octal
423301701
10
Decimal
72188865
12
Duodecimal
20213b69
16
Hexadecimal
44d83c1
20
Vigesimal
12b3c35
36
Base36
16z9a9
md5
37710ad63669ca1a18d09daf0f85eb26
sha1
de3ce4ede15021ed1607e0b893c8b822d95cb2ee
sha256
57f526cdefb91353aedbd2faf3b67f64ee9bd7c93e87c8a6b52219b3ea792d0a
sha512
15fa5162b9aa5872d11d1fdfcb98f2c45c45611f8c46b72dbf4e51e7e7a9ea48195bca50cecab1a866f1d4d47d42decd456fb7e40a3c6d50b9a68a8454458180
ripemd-160
192e38713c75d592cda260322f9cca6df41db57d
Diameter
144377730
Circumference
453576015.90997
Area
1.6371568889881E+16
Volume
1.5757933019065E+24
Surface area
6.5486275559525E+16
Circumference
453576015.90997
Perimeter
288755460
Area
5211232229988225
Diagonal
102090471.93532
Surface area
31267393379929350
Volume
3.7619293993427E+23
Space diagonal
125034781.92073
Perimeter
216566595
Area
2.256529748095E+15
Altitude
62517390.960365
Surface area
2.256529748095E+15
Volume
4.4334763143671E+22
Height
34030157.311773