72189870 is an even 8-digits composite number following 72189869
and preceding 72189871 . In scientific notation, it is written as 7.2189870 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 18413472 positive integers (up to 72189870) that are relatively prime to 72189870.
72189870 has 32 divisors, whose sum is 180790272
The reverse of 72189870 is 07898127
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-two million one hundred eighty-nine thousand eight hundred seventy
Scientific notation
7.2189870 × 10^7
Engineering notation
7.2189870 × 10^6
Prime Factorization
2 × 5 × 3 × 23 × 104623
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
72189870
Product of the distinct prime numbers
The prime factorization of 72189870 is 2 × 5 × 3 × 23 × 104623.
Since it has a total of 5 prime factors.
9 , 7 , 79 , 31 , 279 , 311 , 5273 , 8476 , 79363 , 17652 , 65314 , 771655 , 2579618 , 8776066 , 54761230 , 76864926 , 880424740 , 813149495 , 1307179111 , 8582341197
n×2
144379740
n×3
216569610
n×4
288759480
n×5
360949350
n÷2
36094935
n÷3
24063290
n÷3
18047467.5
n÷5
14437974
n2
5211377330616900
n3
3.7620865201818E+23
n4
2.7158453682068E+31
n5
1.9605652407095E+39
2 √n
8496.4622049415
3 √n
416.38213392069
4 √n
92.176256188574
5 √n
37.298833692453
1 , 2 , 3 , 5 , 6 , 10 , 15 , 23 , 30 , 46 , 69 , 115 , 138 , 230 , 345 , 690 , 104623 , 209246 , 313869 , 523115 , 627738 , 1046230 , 1569345 , 2406329 , 3138690 , 4812658 , 7218987 , 12031645 , 14437974 , 24063290 , 36094935 , 72189870
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72189869
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72189870 can be divided by 32 positive divisors.
The sum of these divisors (counting 72189870) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010011011000011110101110
3
Ternary
12000211121212220
4
Quaternary
10103120132232
5
Quinary
121440033440
6
Senary
11055140210
8
Octal
423303656
10
Decimal
72189870
12
Duodecimal
20214666
16
Hexadecimal
44d87ae
20
Vigesimal
12b3eda
36
Base36
16za26
md5
6acf007a4f3ffa4943ea22eb940493d4
sha1
f60655927e652ca4b9445d240f786aef839f98f5
sha256
3bb53157274f57e0b5493689c1124a3b70a8613e10807baa9fdd6de514a784b2
sha512
28eef1ebbd38b53460660783009face3e5e27eb41092fbce36cd8c823296d4d0f5bf88b786ed78241a54e0c9eb35e05651912cb21b3d7012f92d53ac7c2ecc68
ripemd-160
44e37bc52352c325770ced5c9939500845995411
Diameter
144379740
Circumference
453582330.5112
Area
1.637202473695E+16
Volume
1.5758591165296E+24
Surface area
6.5488098947802E+16
Circumference
453582330.5112
Perimeter
288759480
Area
5211377330616900
Diagonal
102091893.21995
Surface area
31268263983701400
Volume
3.7620865201818E+23
Space diagonal
125036522.63179
Perimeter
216569610
Area
2.2565925785103E+15
Altitude
62518261.315896
Surface area
2.2565925785103E+15
Volume
4.4336614830518E+22
Height
34030631.073317