72189890 is an even 8-digits composite number following 72189889
and preceding 72189891 . In scientific notation, it is written as 7.2189890 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 28853760 positive integers (up to 72189890) that are relatively prime to 72189890.
72189890 has 16 divisors, whose sum is 130041720
The reverse of 72189890 is 09898127
Previous prime number is 3469
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-two million one hundred eighty-nine thousand eight hundred ninety
Scientific notation
7.2189890 × 10^7
Engineering notation
7.2189890 × 10^6
Prime Factorization
2 × 5 × 3469 × 2081
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72189890
Product of the distinct prime numbers
The prime factorization of 72189890 is 2 × 5 × 3469 × 2081.
Since it has a total of 4 prime factors.
2 , 2 , 56 , 59 , 400 , 374 , 4950 , 2406 , 44017 , 35800 , 519379 , 612404 , 6467351 , 6160536 , 24784556 , 12805415 , 810089715 , 917594047 , 5154106379 , 5394695183
n×2
144379780
n×3
216569670
n×4
288759560
n×5
360949450
n÷2
36094945
n÷3
24063296.666667
n÷3
18047472.5
n÷5
14437978
n2
5211380218212100
n3
3.7620896470091E+23
n4
2.7158483778772E+31
n5
1.9605679565564E+39
2 √n
8496.4633819019
3 √n
416.38217237318
4 √n
92.176262572866
5 √n
37.29883575916
1 , 2 , 5 , 10 , 2081 , 3469 , 4162 , 6938 , 10405 , 17345 , 20810 , 34690 , 7218989 , 14437978 , 36094945 , 72189890
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
-72189889
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 72189890 can be divided by 16 positive divisors.
The sum of these divisors (counting 72189890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011011000011111000010
3
Ternary
12000211121220122
4
Quaternary
10103120133002
5
Quinary
121440034030
6
Senary
11055140242
8
Octal
423303702
10
Decimal
72189890
12
Duodecimal
20214682
16
Hexadecimal
44d87c2
20
Vigesimal
12b3eea
36
Base36
16za2q
md5
4b84807543c0a750095a7e051e2ce106
sha1
0dca6325313e05b136994d463d1efc7df5cfd975
sha256
5b03374a6f2cc9f3a9889f7b144adbb52e2c413d60cacf5a21fa1dd38880d339
sha512
4b78b00d8ade0c65787e10be1a3bc7e7d43249b85da35259cd66e9440629dc2774873eb3aed552404f3a9c4491eaef024dee5f0cc7eb1fcb58fd77567896c9a0
ripemd-160
795721cec9e2d604119839bb06ec1f73bacb0104
Diameter
144379780
Circumference
453582456.17491
Area
1.6372033808598E+16
Volume
1.575860426292E+24
Surface area
6.5488135234393E+16
Circumference
453582456.17491
Perimeter
288759560
Area
5211380218212100
Diagonal
102091921.50422
Surface area
31268281309272600
Volume
3.7620896470091E+23
Space diagonal
125036557.27281
Perimeter
216569670
Area
2.2565938288757E+15
Altitude
62518278.636404
Surface area
2.2565938288757E+15
Volume
4.433665168053E+22
Height
34030640.501407