72189005 is an odd 8-digits composite number following 72189004
and preceding 72189006 . In scientific notation, it is written as 7.2189005 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 49500864 positive integers (up to 72189005) that are relatively prime to 72189005.
72189005 has 8 divisors, whose sum is 84859200
The reverse of 72189005 is 50098127
Previous prime number is 35
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-two million one hundred eighty-nine thousand five
Scientific notation
7.2189005 × 10^7
Engineering notation
7.2189005 × 10^6
Prime Factorization
7 × 35 × 294649
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72189005
Product of the distinct prime numbers
The prime factorization of 72189005 is 7 × 35 × 294649.
Since it has a total of 3 prime factors.
6 , 1 , 68 , 67 , 147 , 934 , 1677 , 2921 , 38448 , 63927 , 31210 , 202504 , 9354263 , 9428957 , 30990138 , 81246111 , 70134950 , 849691867 , 9506757981 , 1975357628
n×2
144378010
n×3
216567015
n×4
288756020
n×5
360945025
n÷2
36094502.5
n÷3
24063001.666667
n÷3
18047251.25
n÷5
14437801
n2
5211252442890025
n3
3.7619512865605E+23
n4
2.7157152023527E+31
n5
1.9604477832122E+39
2 √n
8496.4113012495
3 √n
416.38047084347
4 √n
92.175980066661
5 √n
37.298744306932
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
-72189004
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 72189005 can be divided by 8 positive divisors.
The sum of these divisors (counting 72189005) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011011000010001001101
3
Ternary
12000211120200212
4
Quaternary
10103120101031
5
Quinary
121440022010
6
Senary
11055132205
8
Octal
423302115
10
Decimal
72189005
12
Duodecimal
20214065
16
Hexadecimal
44d844d
20
Vigesimal
12b3ca5
36
Base36
16z9e5
md5
7370b0f9039dd53d046d9de5896d72e6
sha1
8a3544e827f3ada186d09776764ad9a7d94f41bc
sha256
b6e7887eefd0149fa3cee2945652256925893db6a9cb899997b614747849b4a7
sha512
2f676ad620c6bbc32c4237d05f7dfadd44dae36bfda59ffa2d126c58b2c9d56f16479d2c423f05e1ae101dad874c4f9ccfd62184d7c6423dd691bdf749907c49
ripemd-160
5833ac8dc91fbcd406742170389918ebfc409e40
Diameter
144378010
Circumference
453576895.55591
Area
1.6371632390585E+16
Volume
1.5758024700028E+24
Surface area
6.5486529562341E+16
Circumference
453576895.55591
Perimeter
288756020
Area
5211252442890025
Diagonal
102090669.92522
Surface area
31267514657340150
Volume
3.7619512865605E+23
Space diagonal
125035024.40784
Perimeter
216567015
Area
2.2565385005382E+15
Altitude
62517512.203922
Surface area
2.2565385005382E+15
Volume
4.4335021087006E+22
Height
34030223.308406