72161841 is an odd 8-digits composite number following 72161840
and preceding 72161842 . In scientific notation, it is written as 7.2161841 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 47319120 positive integers (up to 72161841) that are relatively prime to 72161841.
72161841 has 8 divisors, whose sum is 97793344
The reverse of 72161841 is 14816127
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
seventy-two million one hundred sixty-one thousand eight hundred forty-one
Scientific notation
7.2161841 × 10^7
Engineering notation
7.2161841 × 10^6
Prime Factorization
3 × 61 × 394327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72161841
Product of the distinct prime numbers
The prime factorization of 72161841 is 3 × 61 × 394327.
Since it has a total of 3 prime factors.
6 , 1 , 18 , 84 , 292 , 878 , 4726 , 6241 , 88424 , 28785 , 994247 , 696843 , 5749704 , 304785 , 2198174 , 34040252 , 163903289 , 597554783 , 3370168264 , 8152223297
n×2
144323682
n×3
216485523
n×4
288647364
n×5
360809205
n÷2
36080920.5
n÷3
24053947
n÷3
18040460.25
n÷5
14432368.2
n2
5207331296509281
n3
3.7577061305303E+23
n4
2.7116299231605E+31
n5
1.9567620736595E+39
2 √n
8494.8125935773
3 √n
416.32823769019
4 √n
92.167307618143
5 √n
37.295936855506
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72161840
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72161841 can be divided by 8 positive divisors.
The sum of these divisors (counting 72161841) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011010001101000110001
3
Ternary
12000210012102210
4
Quaternary
10103101220301
5
Quinary
121433134331
6
Senary
11054402333
8
Octal
423215061
10
Decimal
72161841
12
Duodecimal
202003a9
16
Hexadecimal
44d1a31
20
Vigesimal
12b04c1
36
Base36
16yofl
md5
daa710b832b08275bde8271d7e3c9855
sha1
4ce82cd949176c97acf318feb3fb30bab870efc5
sha256
31b51831364d1ab09738225364ac68a1879b259cea3c184549cb967d6762f064
sha512
0c25190da22b2d79219715504eda767a12a94bfe11b362fa927329f8607a647a694c7029d5fba8798ff2979e3b6d7fcef760aff677217f305fd5afe1f619e077
ripemd-160
9e1ab0d2e95558eadb1479698617e92f560b0087
Diameter
144323682
Circumference
453406219.11023
Area
1.6359313745922E+16
Volume
1.5740242632031E+24
Surface area
6.5437254983687E+16
Circumference
453406219.11023
Perimeter
288647364
Area
5207331296509281
Diagonal
102052254.22801
Surface area
31243987779055686
Volume
3.7577061305303E+23
Space diagonal
124987974.97971
Perimeter
216485523
Area
2.2548405943494E+15
Altitude
62493987.489853
Surface area
2.2548405943494E+15
Volume
4.4284991443404E+22
Height
34017418.076004