72189918 is an even 8-digits composite number following 72189917
and preceding 72189919 . In scientific notation, it is written as 7.2189918 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 24063300 positive integers (up to 72189918) that are relatively prime to 72189918.
72189918 has 8 divisors, whose sum is 120316560
The reverse of 72189918 is 81998127
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-two million one hundred eighty-nine thousand nine hundred eighteen
Scientific notation
7.2189918 × 10^7
Engineering notation
7.2189918 × 10^6
Prime Factorization
2 × 9 × 4010551
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72189918
Product of the distinct prime numbers
The prime factorization of 72189918 is 2 × 9 × 4010551.
Since it has a total of 3 prime factors.
4 , 8 , 48 , 25 , 852 , 202 , 7082 , 228 , 38205 , 87160 , 404672 , 835146 , 1756442 , 920659 , 18752035 , 20201204 , 526978422 , 98810883 , 9253776702 , 8946189285
n×2
144379836
n×3
216569754
n×4
288759672
n×5
360949590
n÷2
36094959
n÷3
24063306
n÷3
18047479.5
n÷5
14437983.6
n2
5211384260846724
n3
3.7620940245702E+23
n4
2.7158525914201E+31
n5
1.960571758747E+39
2 √n
8496.4650296462
3 √n
416.38222620666
4 √n
92.176271510873
5 √n
37.298838652549
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
-72189917
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 72189918 can be divided by 8 positive divisors.
The sum of these divisors (counting 72189918) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011011000011111011110
3
Ternary
12000211121221200
4
Quaternary
10103120133132
5
Quinary
121440034133
6
Senary
11055140330
8
Octal
423303736
10
Decimal
72189918
12
Duodecimal
202146a6
16
Hexadecimal
44d87de
20
Vigesimal
12b3efi
36
Base36
16za3i
md5
bdb4137b41b2849448ef0e9033ceaa3a
sha1
0907a987e0aa239c08223e2a7efebfbf87cee10f
sha256
1b9e027b51c9580ba651ae0ad06b22bf9edba52a3ade32ba328f1099a3459fd0
sha512
11fdf5e3c4add276e78a4ee0e6252b9188dac8c937f11dcfb333b57888ac3304a74e31ebd69871fe00a89da1e37d7412bd49e9f25402ddabbafc46d100e60ff3
ripemd-160
dc52876a2e92da8bb5b0786c506c7b1533adf4dc
Diameter
144379836
Circumference
453582632.1041
Area
1.637204650891E+16
Volume
1.5758622599605E+24
Surface area
6.5488186035638E+16
Circumference
453582632.1041
Perimeter
288759672
Area
5211384260846724
Diagonal
102091961.1022
Surface area
31268305565080344
Volume
3.7620940245702E+23
Space diagonal
125036605.77023
Perimeter
216569754
Area
2.2565955793878E+15
Altitude
62518302.885116
Surface area
2.2565955793878E+15
Volume
4.4336703270582E+22
Height
34030653.700734