72156979 is an odd 8-digits prime number following 72156978
and preceding 72156980 . In scientific notation, it is written as 7.2156979 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 72156978 positive integers (up to 72156979) that are relatively prime to 72156979.
72156979 has 2 divisors, whose sum is 72156980
The reverse of 72156979 is 97965127
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 46 Digital Root 1
Name
seventy-two million one hundred fifty-six thousand nine hundred seventy-nine
Scientific notation
7.2156979 × 10^7
Engineering notation
7.2156979 × 10^6
Prime Factorization
72156979
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
72156979 Product of the distinct prime numbers
The prime factorization of 72156979 is 72156979.
Since it has a total of 1 prime factors.
5 , 8 , 81 , 17 , 274 , 542 , 2980 , 3774 , 15178 , 389 , 350129 , 350785 , 8488620 , 2743573 , 53439079 , 35589956 , 978913484 , 994903255 , 9843430535 , 9116974107
n×2
144313958
n×3
216470937
n×4
288627916
n×5
360784895
n÷2
36078489.5
n÷3
24052326.333333
n÷3
18039244.75
n÷5
14431395.8
n2
5206629618406441
n3
3.7569466403613E+23
n4
2.7108991983267E+31
n5
1.9561029652478E+39
2 √n8494.5264141093
3 √n416.3188872573
4 √n92.165755105187
5 √n37.295434269292
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
72156980 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
36078490 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8494.5264729707 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999722827 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72156979 can be divided by 2 positive divisors.
The sum of these divisors (counting 72156979) is 72156980, the average is 36078490.
Base
System
Value
2
Binary
100010011010000011100110011
3
Ternary
12000202221202201
4
Quaternary
10103100130303
5
Quinary
121433010404
6
Senary
11054324031
8
Octal
423203463
10
Decimal
72156979
12
Duodecimal
201b9617
16
Hexadecimal
44d0733
20
Vigesimal
12ajc8j
36
Base36
16ykoj
md5
b4016f4b5dda62a9170b11747e110a8a
sha1
72ffb4afec749f6ec9b52e0a3a4ef3a4c700be79
sha256
71b6b4ae7a9a1a118f35260f6be52af4803fe664384c89b91080f02969617098
sha512
3e399dbf1fdd83f39308f7b902dd2ff082ff146dcb6057c57d9a675325051312f74feaf2e58613577b32e2858e6e875ac2a706ad29428c1cd17aa05e6e2463cc
ripemd-160
ea261e12125b184d296613e91ced9a779fb4077c
Diameter
144313958
Circumference
453375670.26327
Area
1.6357109359149E+16
Volume
1.5737061287051E+24
Surface area
6.5428437436595E+16
Circumference
453375670.26327
Perimeter
288627916
Area
5206629618406441
Diagonal
102045378.32167
Surface area
31239777710438646
Volume
3.7569466403613E+23
Space diagonal
124979553.74868
Perimeter
216470937
Area
2.2545367588182E+15
Altitude
62489776.87434
Surface area
2.2545367588182E+15
Volume
4.4276040765925E+22
Height
34015126.107224