72894889 is an odd 8-digits composite number following 72894888
and preceding 72894890 . In scientific notation, it is written as 7.2894889 × 10^7.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 69725524 positive integers (up to 72894889) that are relatively prime to 72894889.
72894889 has 4 divisors, whose sum is 76064256
The reverse of 72894889 is 98849827
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-two million eight hundred ninety-four thousand eight hundred eighty-nine
Scientific notation
7.2894889 × 10^7
Engineering notation
7.2894889 × 10^6
Prime Factorization
23 × 3169343
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72894889
Product of the distinct prime numbers
The prime factorization of 72894889 is 23 × 3169343.
Since it has a total of 2 prime factors.
2 , 3 , 4 , 81 , 798 , 794 , 9963 , 7824 , 68057 , 4658 , 927956 , 869686 , 7418569 , 9375615 , 45938459 , 77698770 , 65289421 , 659290642 , 2277239146 , 1571265251
n×2
145789778
n×3
218684667
n×4
291579556
n×5
364474445
n÷2
36447444.5
n÷3
24298296.333333
n÷3
18223722.25
n÷5
14578977.8
n2
5313664842322321
n3
3.8733900886429E+23
n4
2.8235034056532E+31
n5
2.0581896734621E+39
2 √n
8537.8503734839
3 √n
417.73323217949
4 √n
92.40048903271
5 √n
37.37140414654
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72894888
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72894889 can be divided by 4 positive divisors.
The sum of these divisors (counting 72894889) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010110000100100110101001
3
Ternary
12002011102222201
4
Quaternary
10112010212221
5
Quinary
122130114024
6
Senary
11122220201
8
Octal
426044651
10
Decimal
72894889
12
Duodecimal
204b4661
16
Hexadecimal
45849a9
20
Vigesimal
12fbh49
36
Base36
17ee21
md5
8360496955051ac0146f3ae342c06146
sha1
9872c99b810e24f6861968078a5281edff9e7140
sha256
712077f1a0755cfd74d6538314cd13858e7b0accc769a569b83f2bb763fdee16
sha512
c3e00452f0859193a5002f9e1ef612eced8533372e3a802507a89ceb8599de1a2bf0831b4eff67cc350e838b8e0051b33fff34caa25c14751876448e69bd66f2
ripemd-160
181cfa309fa01ed30bf0d0c9df4be71112e62fb0
Diameter
145789778
Circumference
458012095.53329
Area
1.6693370432278E+16
Volume
1.6224818462624E+24
Surface area
6.6773481729113E+16
Circumference
458012095.53329
Perimeter
291579556
Area
5313664842322321
Diagonal
103088940.65148
Surface area
31881989053933926
Volume
3.8733900886429E+23
Space diagonal
126257651.36009
Perimeter
218684667
Area
2.3008843703237E+15
Altitude
63128825.680047
Surface area
2.3008843703237E+15
Volume
4.5648339964336E+22
Height
34362980.21716