72181144 is an even 8-digits composite number following 72181143
and preceding 72181145 . In scientific notation, it is written as 7.2181144 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 32 positive divisors.
There are 29936160 positive integers (up to 72181144) that are relatively prime to 72181144.
72181144 has 32 divisors, whose sum is 159667200
The reverse of 72181144 is 44118127
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
seventy-two million one hundred eighty-one thousand one hundred forty-four
Scientific notation
7.2181144 × 10^7
Engineering notation
7.2181144 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 31 × 41579
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
18045286
Product of the distinct prime numbers
The prime factorization of 72181144 is 2 × 2 × 2 × 7 × 31 × 41579.
Since it has a total of 6 prime factors.
7 , 1 , 23 , 33 , 180 , 550 , 8463 , 6696 , 76991 , 10995 , 893958 , 833065 , 3266137 , 2661980 , 52858985 , 42741096 , 697261731 , 750017492 , 2622195277 , 2297102796
n×2
144362288
n×3
216543432
n×4
288724576
n×5
360905720
n÷2
36090572
n÷3
24060381.333333
n÷3
18045286
n÷5
14436228.8
n2
5210117549148736
n3
3.7607224507203E+23
n4
2.7145324875948E+31
n5
1.9593806037976E+39
2 √n
8495.9486815776
3 √n
416.36535641942
4 √n
92.173470595273
5 √n
37.297931944436
1 , 2 , 4 , 7 , 8 , 14 , 28 , 31 , 56 , 62 , 124 , 217 , 248 , 434 , 868 , 1736 , 41579 , 83158 , 166316 , 291053 , 332632 , 582106 , 1164212 , 1288949 , 2328424 , 2577898 , 5155796 , 9022643 , 10311592 , 18045286 , 36090572 , 72181144
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72181143
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72181144 can be divided by 32 positive divisors.
The sum of these divisors (counting 72181144) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010011010110010110011000
3
Ternary
12000211011220201
4
Quaternary
10103112112120
5
Quinary
121434244034
6
Senary
11055031544
8
Octal
423262630
10
Decimal
72181144
12
Duodecimal
2020b5b4
16
Hexadecimal
44d6598
20
Vigesimal
12b2ch4
36
Base36
16z3bs
md5
ded8a14e8fe4a137fe06b8e2513d44f2
sha1
db5f8d9651a749645b7856fbf71cbb6425cbd016
sha256
49d1f43ac33d24bddf93efc9aacb92f888e29eda78f667175f98a26211b6e31c
sha512
ab584333c63ce7419c3b4106bd3dc1ae3abb2498a90434819b79fcbeb88fbfc8fd3f30ccc4b116452993b03bee89e6302f915f54b6788e960b7e09a346c44b46
ripemd-160
6e7fbb9fe0c7c6c476570aec2ec2c24f2375e6a4
Diameter
144362288
Circumference
453527503.43621
Area
1.6368067016745E+16
Volume
1.5752877364498E+24
Surface area
6.547226806698E+16
Circumference
453527503.43621
Perimeter
288724576
Area
5210117549148736
Diagonal
102079552.79241
Surface area
31260705294892416
Volume
3.7607224507203E+23
Space diagonal
125021408.75645
Perimeter
216543432
Area
2.256047077133E+15
Altitude
62510704.378223
Surface area
2.256047077133E+15
Volume
4.4320539117747E+22
Height
34026517.597468