72187893 is an odd 8-digits composite number following 72187892
and preceding 72187894 . In scientific notation, it is written as 7.2187893 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 48038400 positive integers (up to 72187893) that are relatively prime to 72187893.
72187893 has 8 divisors, whose sum is 80353560
The reverse of 72187893 is 39878127
Previous prime number is 577
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-two million one hundred eighty-seven thousand eight hundred ninety-three
Scientific notation
7.2187893 × 10^7
Engineering notation
7.2187893 × 10^6
Prime Factorization
9 × 577 × 13901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72187893
Product of the distinct prime numbers
The prime factorization of 72187893 is 9 × 577 × 13901.
Since it has a total of 3 prime factors.
6 , 5 , 6 , 78 , 211 , 414 , 8534 , 2177 , 85708 , 75820 , 755344 , 826842 , 7269387 , 2509547 , 56884446 , 9599152 , 738933378 , 811866013 , 3360292983 , 985219978
n×2
144375786
n×3
216563679
n×4
288751572
n×5
360939465
n÷2
36093946.5
n÷3
24062631
n÷3
18046973.25
n÷5
14437578.6
n2
5211091895779449
n3
3.7617774418569E+23
n4
2.7155478746258E+31
n5
1.9602967940987E+39
2 √n
8496.3458616043
3 √n
416.37833285648
4 √n
92.17562509473
5 √n
37.298629396194
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
-72187892
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 72187893 can be divided by 8 positive divisors.
The sum of these divisors (counting 72187893) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011010111111111110101
3
Ternary
12000211112011200
4
Quaternary
10103113333311
5
Quinary
121440003033
6
Senary
11055123113
8
Octal
423277765
10
Decimal
72187893
12
Duodecimal
20213499
16
Hexadecimal
44d7ff5
20
Vigesimal
12b39ed
36
Base36
16z8j9
md5
5966f8b1d786b80b286618489ca938a1
sha1
85e2f41c242f59b2a47e9d53ae8812d78c686852
sha256
153a791a00dd9aa5485a377afce05f7df17ea173c4491a37733ee65e049a5dac
sha512
73b4df610a6394edbeb0d6f435c7983e39aa6ac0e8505836e781354dfc732c174bd5bbe7d3603ff00a6576b143c077ace9ce796c7f81228124b8340b72aa4096
ripemd-160
516f1869734177a2fa894ca002e3939d7b68f210
Diameter
144375786
Circumference
453569908.65385
Area
1.6371128016962E+16
Volume
1.5757296501037E+24
Surface area
6.5484512067848E+16
Circumference
453569908.65385
Perimeter
288751572
Area
5211091895779449
Diagonal
102089097.31974
Surface area
31266551374676694
Volume
3.7617774418569E+23
Space diagonal
125033098.36735
Perimeter
216563679
Area
2.2564689816001E+15
Altitude
62516549.183673
Surface area
2.2564689816001E+15
Volume
4.4332972307527E+22
Height
34029699.106579