72388891 is an odd 8-digits prime number following 72388890
and preceding 72388892 . In scientific notation, it is written as 7.2388891 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 72388890 positive integers (up to 72388891) that are relatively prime to 72388891.
72388891 has 2 divisors, whose sum is 72388892
The reverse of 72388891 is 19888327
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 46 Digital Root 1
Name
seventy-two million three hundred eighty-eight thousand eight hundred ninety-one
Scientific notation
7.2388891 × 10^7
Engineering notation
7.2388891 × 10^6
Prime Factorization
72388891
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
72388891 Product of the distinct prime numbers
The prime factorization of 72388891 is 72388891.
Since it has a total of 1 prime factors.
4 , 8 , 54 , 72 , 868 , 551 , 839 , 3733 , 27046 , 38594 , 639999 , 999149 , 3600913 , 2537433 , 96326456 , 97529956 , 599284960 , 771481187 , 2916105464 , 5555617103
n×2
144777782
n×3
217166673
n×4
289555564
n×5
361944455
n÷2
36194445.5
n÷3
24129630.333333
n÷3
18097222.75
n÷5
14477778.2
n2
5240151540209881
n3
3.7932875866774E+23
n4
2.7459188164364E+31
n5
1.9877401789786E+39
2 √n8508.1661361306
3 √n416.76442555966
4 √n92.239721032376
5 √n37.319376958703
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
72388892 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
36194446 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8508.1661948977 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999723715 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72388891 can be divided by 2 positive divisors.
The sum of these divisors (counting 72388891) is 72388892, the average is 36194446.
Base
System
Value
2
Binary
100010100001001000100011011
3
Ternary
12001012201220001
4
Quaternary
10110021010123
5
Quinary
122012421031
6
Senary
11103313431
8
Octal
424110433
10
Decimal
72388891
12
Duodecimal
202ab877
16
Hexadecimal
450911b
20
Vigesimal
12c8c4b
36
Base36
173jmj
md5
f94bda3d2b5e041285995e315e7ecdb4
sha1
6c859c7c7b839810983275070b1c7441994b2109
sha256
16dff55df885744cd94e534dd9f6ba6af2705cee8dc69eecc9e88b9ca532cba7
sha512
c9533158faf9dba69a322356533fc64ed00d55d9122859b39cf9625c026fee8bf4a6111ff50f6e805f9e6929fa38b88d7918b61525c9102d8a0cfb15ac0c10f2
ripemd-160
33a17e0ad651b56d76c9566c04a02e534d9b504a
Diameter
144777782
Circumference
454832816.33422
Area
1.6462421582421E+16
Volume
1.5889285887012E+24
Surface area
6.5849686329682E+16
Circumference
454832816.33422
Perimeter
289555564
Area
5240151540209881
Diagonal
102373351.41735
Surface area
31440909241259286
Volume
3.7932875866774E+23
Space diagonal
125381237.11557
Perimeter
217166673
Area
2.269052176751E+15
Altitude
62690618.557783
Surface area
2.269052176751E+15
Volume
4.4704322925505E+22
Height
34124450.472449