72321381 is an odd 8-digits composite number following 72321380
and preceding 72321382 . In scientific notation, it is written as 7.2321381 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 43209600 positive integers (up to 72321381) that are relatively prime to 72321381.
72321381 has 16 divisors, whose sum is 100759680
The reverse of 72321381 is 18312327
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
seventy-two million three hundred twenty-one thousand three hundred eighty-one
Scientific notation
7.2321381 × 10^7
Engineering notation
7.2321381 × 10^6
Prime Factorization
3 × 33 × 71 × 10289
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72321381
Product of the distinct prime numbers
The prime factorization of 72321381 is 3 × 33 × 71 × 10289.
Since it has a total of 4 prime factors.
5 , 5 , 65 , 45 , 134 , 877 , 5448 , 3569 , 28279 , 49366 , 624245 , 704497 , 8769990 , 7988493 , 74343038 , 93550059 , 206748227 , 440692478 , 9993110999 , 5010193718
n×2
144642762
n×3
216964143
n×4
289285524
n×5
361606905
n÷2
36160690.5
n÷3
24107127
n÷3
18080345.25
n÷5
14464276.2
n2
5230382149747161
n3
3.7826846022746E+23
n4
2.7356897432394E+31
n5
1.9784886021861E+39
2 √n
8504.1978457701
3 √n
416.63482686478
4 √n
92.218207777911
5 √n
37.31241353799
1 , 3 , 33 , 71 , 99 , 213 , 2343 , 7029 , 10289 , 30867 , 339537 , 730519 , 1018611 , 2191557 , 24107127 , 72321381
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72321380
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72321381 can be divided by 16 positive divisors.
The sum of these divisors (counting 72321381) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011111000100101100101
3
Ternary
12001002022021200
4
Quaternary
10103320211211
5
Quinary
122003241011
6
Senary
11102033113
8
Octal
423704545
10
Decimal
72321381
12
Duodecimal
20278799
16
Hexadecimal
44f8965
20
Vigesimal
12c0391
36
Base36
1723j9
md5
695ec24fa64c0916a3fde7c0214a5f80
sha1
c2ef2c0c9f01f42536b98f1d146ac037c3c12002
sha256
ad2a3cc1a8c839126662f24ec9879b82fc56b12cc24e73e541f994bbdc5bbe33
sha512
47fbf8f052510e647ed733b6deaceee203df3fc0a7654ae8e3ff513d43cb8181672d821dbda898715918ebcd727fd609e93e90bbe10145ed3b69145ca555a9c8
ripemd-160
a25057bb34f7725c9bd7398871713cf91ea437e8
Diameter
144642762
Circumference
454408638.49414
Area
1.6431730137113E+16
Volume
1.5844872209804E+24
Surface area
6.5726920548451E+16
Circumference
454408638.49414
Perimeter
289285524
Area
5230382149747161
Diagonal
102277877.85975
Surface area
31382292898482966
Volume
3.7826846022746E+23
Space diagonal
125264306.36555
Perimeter
216964143
Area
2.2648219065909E+15
Altitude
62632153.182773
Surface area
2.2648219065909E+15
Volume
4.4579365555972E+22
Height
34092625.953251