72156971 is an odd 8-digits composite number following 72156970
and preceding 72156972 . In scientific notation, it is written as 7.2156971 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 71959992 positive integers (up to 72156971) that are relatively prime to 72156971.
72156971 has 4 divisors, whose sum is 72353952
The reverse of 72156971 is 17965127
Previous prime number is 367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million one hundred fifty-six thousand nine hundred seventy-one
Scientific notation
7.2156971 × 10^7
Engineering notation
7.2156971 × 10^6
Prime Factorization
367 × 196613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72156971
Product of the distinct prime numbers
The prime factorization of 72156971 is 367 × 196613.
Since it has a total of 2 prime factors.
5 , 9 , 76 , 56 , 813 , 806 , 7810 , 6348 , 36861 , 12306 , 944094 , 575034 , 34199 , 1977555 , 38493358 , 70581122 , 250246170 , 562229443 , 3186234331 , 9850576324
n×2
144313942
n×3
216470913
n×4
288627884
n×5
360784855
n÷2
36078485.5
n÷3
24052323.666667
n÷3
18039242.75
n÷5
14431394.2
n2
5206628463894841
n3
3.7569453907703E+23
n4
2.710897996104E+31
n5
1.9561018808883E+39
2 √n
8494.5259432178
3 √n
416.31887187162
4 √n
92.165752550596
5 √n
37.295433442308
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72156970
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72156971 can be divided by 4 positive divisors.
The sum of these divisors (counting 72156971) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010011010000011100101011
3
Ternary
12000202221202102
4
Quaternary
10103100130223
5
Quinary
121433010341
6
Senary
11054324015
8
Octal
423203453
10
Decimal
72156971
12
Duodecimal
201b960b
16
Hexadecimal
44d072b
20
Vigesimal
12ajc8b
36
Base36
16ykob
md5
cac420739380cdf3648a6367783fc869
sha1
077c0871dafe3306b0dafa99ccdae2b1b42ba835
sha256
58c30f3443932c7b5148a88a13425733249b6d233d27408f7b9df5e2fdbcefc6
sha512
c49b00a26f09fcdf9a0bd562436efc4d2ae56910689638c503aec6ca264160cfc53f2019fedc77bd855d2eb4e6a2afba77a501edc92818a824e598ee36f329a8
ripemd-160
c9e431f07e11fca30b53f9302219805af0e047e8
Diameter
144313942
Circumference
453375619.99778
Area
1.6357105732144E+16
Volume
1.5737056052776E+24
Surface area
6.5428422928574E+16
Circumference
453375619.99778
Perimeter
288627884
Area
5206628463894841
Diagonal
102045367.00796
Surface area
31239770783369046
Volume
3.7569453907703E+23
Space diagonal
124979539.89227
Perimeter
216470913
Area
2.2545362589E+15
Altitude
62489769.946137
Surface area
2.2545362589E+15
Volume
4.4276026039354E+22
Height
34015122.335987