72181197 is an odd 8-digits composite number following 72181196
and preceding 72181198 . In scientific notation, it is written as 7.2181197 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 42676800 positive integers (up to 72181197) that are relatively prime to 72181197.
72181197 has 16 divisors, whose sum is 101582208
The reverse of 72181197 is 79118127
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million one hundred eighty-one thousand one hundred ninety-seven
Scientific notation
7.2181197 × 10^7
Engineering notation
7.2181197 × 10^6
Prime Factorization
3 × 33 × 41 × 17783
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72181197
Product of the distinct prime numbers
The prime factorization of 72181197 is 3 × 33 × 41 × 17783.
Since it has a total of 4 prime factors.
9 , 3 , 25 , 67 , 429 , 425 , 6868 , 9431 , 8030 , 4802 , 448168 , 184404 , 5498757 , 7429950 , 57678978 , 21928022 , 320096685 , 343763881 , 7275502644 , 9849321523
n×2
144362394
n×3
216543591
n×4
288724788
n×5
360905985
n÷2
36090598.5
n÷3
24060399
n÷3
18045299.25
n÷5
14436239.4
n2
5210125200352809
n3
3.7607307348133E+23
n4
2.7145404603351E+31
n5
1.9593877973192E+39
2 √n
8495.9518007107
3 √n
416.36545832673
4 √n
92.173487515178
5 √n
37.297937421739
1 , 3 , 33 , 41 , 99 , 123 , 1353 , 4059 , 17783 , 53349 , 586839 , 729103 , 1760517 , 2187309 , 24060399 , 72181197
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
-72181196
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 72181197 can be divided by 16 positive divisors.
The sum of these divisors (counting 72181197) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011010110010111001101
3
Ternary
12000211011222200
4
Quaternary
10103112113031
5
Quinary
121434244242
6
Senary
11055032113
8
Octal
423262715
10
Decimal
72181197
12
Duodecimal
2020b639
16
Hexadecimal
44d65cd
20
Vigesimal
12b2cjh
36
Base36
16z3d9
md5
3c72b99d49e3539b7640be50fbe28a62
sha1
3814e5331e08bb190bad89b01b00981fb31f5a2a
sha256
ab25c61b53c33a935aad5dae52621f8bc9f6294ded5630c2fc7cdb03a757cade
sha512
57691fbd1bd99e18f84bfc9a9068bb09514ed4af35d04ede71e9e0e7011939c1ba4e857a37892bf38e7053d48241649fb9efe6a9b59f5df59df0953ac82dafba
ripemd-160
440c57027e2e93589cfd09f3c8e012d6bffdd90a
Diameter
144362394
Circumference
453527836.44504
Area
1.6368091053711E+16
Volume
1.5752912064825E+24
Surface area
6.5472364214846E+16
Circumference
453527836.44504
Perimeter
288724788
Area
5210125200352809
Diagonal
102079627.74572
Surface area
31260751202116854
Volume
3.7607307348133E+23
Space diagonal
125021500.55514
Perimeter
216543591
Area
2.2560503902015E+15
Altitude
62510750.277569
Surface area
2.2560503902015E+15
Volume
4.4320636746719E+22
Height
34026542.581908