72042905 is an odd 8-digits composite number following 72042904
and preceding 72042906 . In scientific notation, it is written as 7.2042905 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 52294080 positive integers (up to 72042905) that are relatively prime to 72042905.
72042905 has 16 divisors, whose sum is 94492224
The reverse of 72042905 is 50924027
Previous prime number is 1787
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy-two million forty-two thousand nine hundred five
Scientific notation
7.2042905 × 10^7
Engineering notation
7.2042905 × 10^6
Prime Factorization
5 × 11 × 1787 × 733
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72042905
Product of the distinct prime numbers
The prime factorization of 72042905 is 5 × 11 × 1787 × 733.
Since it has a total of 4 prime factors.
5 , 5 , 8 , 51 , 269 , 859 , 5098 , 8567 , 68859 , 45262 , 890337 , 808044 , 2960434 , 8368751 , 96177922 , 37511156 , 60807043 , 824439394 , 6335219761 , 5216345009
n×2
144085810
n×3
216128715
n×4
288171620
n×5
360214525
n÷2
36021452.5
n÷3
24014301.666667
n÷3
18010726.25
n÷5
14408581
n2
5190180160839025
n3
3.7391565626021E+23
n4
2.6937970101967E+31
n5
1.9406896209488E+39
2 √n
8487.8091990808
3 √n
416.09938338351
4 √n
92.129306949964
5 √n
37.283634628165
1 , 5 , 11 , 55 , 733 , 1787 , 3665 , 8063 , 8935 , 19657 , 40315 , 98285 , 1309871 , 6549355 , 14408581 , 72042905
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
-72042904
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 72042905 can be divided by 16 positive divisors.
The sum of these divisors (counting 72042905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010010110100100110011001
3
Ternary
12000120011021202
4
Quaternary
10102310212121
5
Quinary
121420333110
6
Senary
11052043545
8
Octal
422644631
10
Decimal
72042905
12
Duodecimal
201635b5
16
Hexadecimal
44b4999
20
Vigesimal
12a5755
36
Base36
16w4nt
md5
f2dfe3e6468d7030ddbaa9147838d206
sha1
78d8ae40a797824b297f8915d41386d6060c0d9c
sha256
39acc3131bfbc3d63dc0ae74d8158d5a0d81e323465595180e3dc010a2f8bd6e
sha512
70b7c1809655e65cbfe21d2db9028bab53f7b6f5567d6be6ea49594dee40595aa96011ae659f2963a865cf0e2667cd0d6de300e067b438d7705e08f7cb56adfc
ripemd-160
96b22fcdc28d649afbd6606525341963644d505e
Diameter
144085810
Circumference
452658922.18253
Area
1.6305431864099E+16
Volume
1.566254238359E+24
Surface area
6.5221727456397E+16
Circumference
452658922.18253
Perimeter
288171620
Area
5190180160839025
Diagonal
101884053.32376
Surface area
31141080965034150
Volume
3.7391565626021E+23
Space diagonal
124781971.78486
Perimeter
216128715
Area
2.2474139347523E+15
Altitude
62390985.892429
Surface area
2.2474139347523E+15
Volume
4.4066382688902E+22
Height
33961351.107919