72321881 is an odd 8-digits prime number following 72321880
and preceding 72321882 . In scientific notation, it is written as 7.2321881 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 72321880 positive integers (up to 72321881) that are relatively prime to 72321881.
72321881 has 2 divisors, whose sum is 72321882
The reverse of 72321881 is 18812327
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-two million three hundred twenty-one thousand eight hundred eighty-one
Scientific notation
7.2321881 × 10^7
Engineering notation
7.2321881 × 10^6
Prime Factorization
72321881
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
72321881
Product of the distinct prime numbers
The prime factorization of 72321881 is 72321881.
Since it has a total of 1 prime factors.
9 , 2 , 86 , 39 , 810 , 650 , 8327 , 5341 , 22423 , 35381 , 150287 , 287 , 5750141 , 9678504 , 1482694 , 87773816 , 433349355 , 929547533 , 1153255791 , 3694532126
n×2
144643762
n×3
216965643
n×4
289287524
n×5
361609405
n÷2
36160940.5
n÷3
24107293.666667
n÷3
18080470.25
n÷5
14464376.2
n2
5230454471378161
n3
3.7827630585493E+23
n4
2.735765397716E+31
n5
1.9785569953753E+39
2 √n
8504.2272429657
3 √n
416.63578700931
4 √n
92.218367167098
5 √n
37.312465130355
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
72321882
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
36160941
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8504.22730176
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999723459
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72321881 can be divided by 2 positive divisors.
The sum of these divisors (counting 72321881) is 72321882, the average is 36160941.
Base
System
Value
2
Binary
100010011111000101101011001
3
Ternary
12001002022222012
4
Quaternary
10103320231121
5
Quinary
122003300011
6
Senary
11102035305
8
Octal
423705531
10
Decimal
72321881
12
Duodecimal
20278b35
16
Hexadecimal
44f8b59
20
Vigesimal
12c04e1
36
Base36
1723x5
md5
0caaac943167eaa6f0d3bcf503ed1a9d
sha1
c9cb17978967e9984af978721067fa3ffbe045e4
sha256
64f427b602f978386e918b64dd13f8dd0082c100ccb9e2e3ee66cdcc8ace328e
sha512
ef079bf8b818dfba6d264af4935dde04d5fddee42babc2a5617bbaae86f874a5c30934997638e66eed718e8e573b34bbee8406f1a2153536545a80f1f80651bd
ripemd-160
ed2778ed2b4332cc95855be6340621bd905b472c
Diameter
144643762
Circumference
454411780.08679
Area
1.6431957342218E+16
Volume
1.5845200846679E+24
Surface area
6.572782936887E+16
Circumference
454411780.08679
Perimeter
289287524
Area
5230454471378161
Diagonal
102278584.96653
Surface area
31382726828268966
Volume
3.7827630585493E+23
Space diagonal
125265172.39095
Perimeter
216965643
Area
2.2648532227757E+15
Altitude
62632586.195475
Surface area
2.2648532227757E+15
Volume
4.4580290172036E+22
Height
34092861.655511