72156987 is an odd 8-digits composite number following 72156986
and preceding 72156988 . In scientific notation, it is written as 7.2156987 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 41232240 positive integers (up to 72156987) that are relatively prime to 72156987.
72156987 has 8 divisors, whose sum is 96719120
The reverse of 72156987 is 78965127
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-two million one hundred fifty-six thousand nine hundred eighty-seven
Scientific notation
7.2156987 × 10^7
Engineering notation
7.2156987 × 10^6
Prime Factorization
189 × 3 × 127261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72156987
Product of the distinct prime numbers
The prime factorization of 72156987 is 189 × 3 × 127261.
Since it has a total of 3 prime factors.
7 , 8 , 43 , 9 , 199 , 488 , 7985 , 8605 , 38012 , 42588 , 948582 , 698168 , 3166019 , 827473 , 58934231 , 16600564 , 652973671 , 58939456 , 4722628129 , 3534876636
n×2
144313974
n×3
216470961
n×4
288627948
n×5
360784935
n÷2
36078493.5
n÷3
24052329
n÷3
18039246.75
n÷5
14431397.4
n2
5206630772918169
n3
3.7569478899526E+23
n4
2.7109004005498E+31
n5
1.9561040496077E+39
2 √n
8494.5268850007
3 √n
416.31890264297
4 √n
92.165757659777
5 √n
37.295435096277
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72156986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72156987 can be divided by 8 positive divisors.
The sum of these divisors (counting 72156987) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011010000011100111011
3
Ternary
12000202221210000
4
Quaternary
10103100130323
5
Quinary
121433010422
6
Senary
11054324043
8
Octal
423203473
10
Decimal
72156987
12
Duodecimal
201b9623
16
Hexadecimal
44d073b
20
Vigesimal
12ajc97
36
Base36
16ykor
md5
0144e4fba464bcbbf7dd5204cc8dfaed
sha1
50fc713c7fa6801821c090a4eb8c05ac991766bf
sha256
d598be0e3917cc696c4a06fa81a5a73caef168c8d4bf3ea084a9594cb3bc5415
sha512
47573759a6a94165d3a1c913c744fa3bf21ab8c1c74829bb76afb717a98fa9a2acfc4075d1950ce6f958d4c379393bd8fda3a789be3987c5815485b683979436
ripemd-160
e4c5355e67ca203ab1c59d069e3efbd1651f5659
Diameter
144313974
Circumference
453375720.52875
Area
1.6357112986154E+16
Volume
1.5737066521326E+24
Surface area
6.5428451944617E+16
Circumference
453375720.52875
Perimeter
288627948
Area
5206630772918169
Diagonal
102045389.63538
Surface area
31239784637509014
Volume
3.7569478899526E+23
Space diagonal
124979567.60509
Perimeter
216470961
Area
2.2545372587365E+15
Altitude
62489783.802543
Surface area
2.2545372587365E+15
Volume
4.4276055492499E+22
Height
34015129.87846