72185870 is an even 8-digits composite number following 72185869
and preceding 72185871 . In scientific notation, it is written as 7.2185870 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 28837920 positive integers (up to 72185870) that are relatively prime to 72185870.
72185870 has 16 divisors, whose sum is 130098528
The reverse of 72185870 is 07858127
Previous prime number is 877
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million one hundred eighty-five thousand eight hundred seventy
Scientific notation
7.2185870 × 10^7
Engineering notation
7.2185870 × 10^6
Prime Factorization
2 × 5 × 877 × 8231
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72185870
Product of the distinct prime numbers
The prime factorization of 72185870 is 2 × 5 × 877 × 8231.
Since it has a total of 4 prime factors.
4 , 4 , 39 , 83 , 88 , 164 , 7604 , 4233 , 15118 , 36063 , 8660 , 48439 , 5644658 , 8732613 , 79750449 , 18025824 , 148960276 , 647632299 , 4545371081 , 7264162746
n×2
144371740
n×3
216557610
n×4
288743480
n×5
360929350
n÷2
36092935
n÷3
24061956.666667
n÷3
18046467.5
n÷5
14437174
n2
5210799827656900
n3
3.7614611895526E+23
n4
2.7152434843909E+31
n5
1.9600221318259E+39
2 √n
8496.2268095902
3 √n
416.37444327887
4 √n
92.174979303444
5 √n
37.298420341822
1 , 2 , 5 , 10 , 877 , 1754 , 4385 , 8231 , 8770 , 16462 , 41155 , 82310 , 7218587 , 14437174 , 36092935 , 72185870
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
-72185869
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 72185870 can be divided by 16 positive divisors.
The sum of these divisors (counting 72185870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011010111100000001110
3
Ternary
12000211102101202
4
Quaternary
10103113200032
5
Quinary
121434421440
6
Senary
11055105502
8
Octal
423274016
10
Decimal
72185870
12
Duodecimal
20212292
16
Hexadecimal
44d780e
20
Vigesimal
12b34da
36
Base36
16z6z2
md5
3ae7a6402ce5e47629a6622ef4e5d3cf
sha1
a61e44ff71996e07ac8f708b084fc137551c1ef3
sha256
3b667207a63ec9aeece4ab7f691191aab58418dde35812b96b4b9655a1fc9c8f
sha512
33d797ea2186d9b46ebd26c491e604b67fa2902dfb6aaee2e05c550a6478ac88de9008b663dc239984804d14dda37f28affea36b47b3bc1dd7806f91465c0fdc
ripemd-160
5ad462b0e889e45a835e2d83a49d5889e6be93f3
Diameter
144371740
Circumference
453557197.76998
Area
1.6370210457894E+16
Volume
1.5755971786482E+24
Surface area
6.5480841831576E+16
Circumference
453557197.76998
Perimeter
288743480
Area
5210799827656900
Diagonal
102086236.3657
Surface area
31264798965941400
Volume
3.7614611895526E+23
Space diagonal
125029594.42856
Perimeter
216557610
Area
2.2563425123932E+15
Altitude
62514797.214281
Surface area
2.2563425123932E+15
Volume
4.4329245238378E+22
Height
34028745.455234