72188870 is an even 8-digits composite number following 72188869
and preceding 72188871 . In scientific notation, it is written as 7.2188870 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors.
There are 26570880 positive integers (up to 72188870) that are relatively prime to 72188870.
72188870 has 32 divisors, whose sum is 140374080
The reverse of 72188870 is 07888127
Previous prime number is 421
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-two million one hundred eighty-eight thousand eight hundred seventy
Scientific notation
7.2188870 × 10^7
Engineering notation
7.2188870 × 10^6
Prime Factorization
2 × 5 × 13 × 421 × 1319
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
72188870
Product of the distinct prime numbers
The prime factorization of 72188870 is 2 × 5 × 13 × 421 × 1319.
Since it has a total of 5 prime factors.
8 , 8 , 68 , 66 , 884 , 762 , 6345 , 6816 , 82073 , 35759 , 767749 , 545082 , 2868118 , 5061425 , 33959723 , 25860004 , 544431341 , 599061352 , 624566972 , 2131682580
n×2
144377740
n×3
216566610
n×4
288755480
n×5
360944350
n÷2
36094435
n÷3
24062956.666667
n÷3
18047217.5
n÷5
14437774
n2
5211232951876900
n3
3.7619301810276E+23
n4
2.7156948878728E+31
n5
1.9604294522031E+39
2 √n
8496.4033567151
3 √n
416.38021128687
4 √n
92.175936972266
5 √n
37.298730356513
1 , 2 , 5 , 10 , 13 , 26 , 65 , 130 , 421 , 842 , 1319 , 2105 , 2638 , 4210 , 5473 , 6595 , 10946 , 13190 , 17147 , 27365 , 34294 , 54730 , 85735 , 171470 , 555299 , 1110598 , 2776495 , 5552990 , 7218887 , 14437774 , 36094435 , 72188870
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
-72188869
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 72188870 can be divided by 32 positive divisors.
The sum of these divisors (counting 72188870) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010011011000001111000110
3
Ternary
12000211120111212
4
Quaternary
10103120033012
5
Quinary
121440020440
6
Senary
11055131422
8
Octal
423301706
10
Decimal
72188870
12
Duodecimal
20213b72
16
Hexadecimal
44d83c6
20
Vigesimal
12b3c3a
36
Base36
16z9ae
md5
42ee84e1d0dd71ea4b0b6a4fec555545
sha1
03dcb799434e4b0dc24022c677acdbe1d81c4b06
sha256
aa82f45aa87990d63f26e4d594b3916d76075d364001d86876131c8241ef8d8a
sha512
853fefaafc0b9026212ad1e43659a97f1fa0ffd732882d82ad045095c61ad7d0f3566c4d885934c68b0c5ca1fda087c09912217244977ed9237c5764a3ea7989
ripemd-160
3820a631383c967b985e5b33c6e3bc03ab71c4e1
Diameter
144377740
Circumference
453576047.3259
Area
1.6371571157762E+16
Volume
1.5757936293379E+24
Surface area
6.5486284631046E+16
Circumference
453576047.3259
Perimeter
288755480
Area
5211232951876900
Diagonal
102090479.00639
Surface area
31267397711261400
Volume
3.7619301810276E+23
Space diagonal
125034790.58098
Perimeter
216566610
Area
2.256530060682E+15
Altitude
62517395.290492
Surface area
2.256530060682E+15
Volume
4.4334772355916E+22
Height
34030159.668796