72187788 is an even 8-digits composite number following 72187787
and preceding 72187789 . In scientific notation, it is written as 7.2187788 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors.
There are 23814144 positive integers (up to 72187788) that are relatively prime to 72187788.
72187788 has 24 divisors, whose sum is 170177392
The reverse of 72187788 is 88778127
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-two million one hundred eighty-seven thousand seven hundred eighty-eight
Scientific notation
7.2187788 × 10^7
Engineering notation
7.2187788 × 10^6
Prime Factorization
2 × 2 × 3 × 97 × 62017
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
36093894
Product of the distinct prime numbers
The prime factorization of 72187788 is 2 × 2 × 3 × 97 × 62017.
Since it has a total of 5 prime factors.
8 , 3 , 13 , 26 , 932 , 52 , 9144 , 9160 , 69738 , 46001 , 596757 , 311488 , 497373 , 9489110 , 39733292 , 4329162 , 353767872 , 29259641 , 318392424 , 3222984332
n×2
144375576
n×3
216563364
n×4
288751152
n×5
360938940
n÷2
36093894
n÷3
24062596
n÷3
18046947
n÷5
14437557.6
n2
5211076736332944
n3
3.7617610269413E+23
n4
2.715532075195E+31
n5
1.9602825375138E+39
2 √n
8496.339682475
3 √n
416.37813097707
4 √n
92.175591576485
5 √n
37.298618545736
1 , 2 , 3 , 4 , 6 , 12 , 97 , 194 , 291 , 388 , 582 , 1164 , 62017 , 124034 , 186051 , 248068 , 372102 , 744204 , 6015649 , 12031298 , 18046947 , 24062596 , 36093894 , 72187788
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72187787
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72187788 can be divided by 24 positive divisors.
The sum of these divisors (counting 72187788) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010011010111111110001100
3
Ternary
12000211112000210
4
Quaternary
10103113332030
5
Quinary
121440002123
6
Senary
11055122420
8
Octal
423277614
10
Decimal
72187788
12
Duodecimal
20213410
16
Hexadecimal
44d7f8c
20
Vigesimal
12b3998
36
Base36
16z8gc
md5
865eefc94ee4ca095e55bf22183130af
sha1
ec0a256abe61dfd30b5adfea56053f881b4be455
sha256
14cd83c8aab7b9356d514561e8c0a72022f7c1712796059a9d1b80df2a9a019d
sha512
731312ce3b64c68a9984efbbf61466776000a5c0e53c5a667569a252e16445fd6c865190116bc070673110ad66293f4e43ef337996c899f9ae0a749a0fbed355
ripemd-160
9a39b5f877f8b198e997f9fb7a6952a38a6f765c
Diameter
144375576
Circumference
453569248.91939
Area
1.6371080392156E+16
Volume
1.5757227742399E+24
Surface area
6.5484321568625E+16
Circumference
453569248.91939
Perimeter
288751152
Area
5211076736332944
Diagonal
102088948.82731
Surface area
31266460417997664
Volume
3.7617610269413E+23
Space diagonal
125032916.50201
Perimeter
216563364
Area
2.2564624173672E+15
Altitude
62516458.251005
Surface area
2.2564624173672E+15
Volume
4.4332778855892E+22
Height
34029649.609105