72188081 is an odd 8-digits composite number following 72188080
and preceding 72188082 . In scientific notation, it is written as 7.2188081 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 61834608 positive integers (up to 72188081) that are relatively prime to 72188081.
72188081 has 8 divisors, whose sum is 82555200
The reverse of 72188081 is 18088127
Previous prime number is 2267
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-two million one hundred eighty-eight thousand eighty-one
Scientific notation
7.2188081 × 10^7
Engineering notation
7.2188081 × 10^6
Prime Factorization
7 × 2267 × 4549
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72188081
Product of the distinct prime numbers
The prime factorization of 72188081 is 7 × 2267 × 4549.
Since it has a total of 3 prime factors.
6 , 5 , 86 , 67 , 842 , 53 , 7336 , 3691 , 51198 , 25523 , 730897 , 817730 , 5531897 , 8049787 , 87806208 , 43942880 , 476517444 , 590194772 , 9322233991 , 6532714331
n×2
144376162
n×3
216564243
n×4
288752324
n×5
360940405
n÷2
36094040.5
n÷3
24062693.666667
n÷3
18047020.25
n÷5
14437616.2
n2
5211119038462561
n3
3.7618068324918E+23
n4
2.7155761633027E+31
n5
1.9603223203816E+39
2 √n
8496.3569251768
3 √n
416.37869431625
4 √n
92.175685108258
5 √n
37.298648823648
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
-72188080
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 72188081 can be divided by 8 positive divisors.
The sum of these divisors (counting 72188081) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011011000000010110001
3
Ternary
12000211112102122
4
Quaternary
10103120002301
5
Quinary
121440004311
6
Senary
11055124025
8
Octal
423300261
10
Decimal
72188081
12
Duodecimal
20213615
16
Hexadecimal
44d80b1
20
Vigesimal
12b3a41
36
Base36
16z8oh
md5
d1bfd6b56d48093de6066d91a547c162
sha1
5db305b4f730f49e22e1739d18986e826bdaa441
sha256
a180962b212d97d77dcb8224deaaf368c59f2b3d8fabc6d20600615151c7dfbf
sha512
0926a9b329465a62ac030f3e6c1f507f4947b38b9d72f2f92dad5a114d966628beb14d63d4a651c1363ba7ef2061aafe43a9d04dc283c4584271a68e47f3037e
ripemd-160
c691681168ff94e4d9eb61ee222afd9c78f45e0e
Diameter
144376162
Circumference
453571089.89269
Area
1.6371213288216E+16
Volume
1.575741961224E+24
Surface area
6.5484853152864E+16
Circumference
453571089.89269
Perimeter
288752324
Area
5211119038462561
Diagonal
102089363.19189
Surface area
31266714230775366
Volume
3.7618068324918E+23
Space diagonal
125033423.9929
Perimeter
216564243
Area
2.2564807347267E+15
Altitude
62516711.996449
Surface area
2.2564807347267E+15
Volume
4.433331867948E+22
Height
34029787.730629