72187429 is an odd 8-digits composite number following 72187428
and preceding 72187430 . In scientific notation, it is written as 7.2187429 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 70426720 positive integers (up to 72187429) that are relatively prime to 72187429.
72187429 has 4 divisors, whose sum is 73948140
The reverse of 72187429 is 92478127
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-two million one hundred eighty-seven thousand four hundred twenty-nine
Scientific notation
7.2187429 × 10^7
Engineering notation
7.2187429 × 10^6
Prime Factorization
41 × 1760669
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72187429
Product of the distinct prime numbers
The prime factorization of 72187429 is 41 × 1760669.
Since it has a total of 2 prime factors.
6 , 10 , 58 , 59 , 658 , 918 , 9756 , 1792 , 96720 , 43133 , 838028 , 59748 , 8050600 , 1407270 , 8816680 , 83864425 , 935914027 , 983704445 , 1290427909 , 5530113449
n×2
144374858
n×3
216562287
n×4
288749716
n×5
360937145
n÷2
36093714.5
n÷3
24062476.333333
n÷3
18046857.25
n÷5
14437485.8
n2
5211024905630041
n3
3.761704903924E+23
n4
2.7154780567097E+31
n5
1.9602337941979E+39
2 √n
8496.318555704
3 √n
416.3774407403
4 √n
92.175476975734
5 √n
37.298581447409
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72187428
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72187429 can be divided by 4 positive divisors.
The sum of these divisors (counting 72187429) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010011010111111000100101
3
Ternary
12000211111112111
4
Quaternary
10103113320211
5
Quinary
121434444204
6
Senary
11055121021
8
Octal
423277045
10
Decimal
72187429
12
Duodecimal
20213171
16
Hexadecimal
44d7e25
20
Vigesimal
12b38b9
36
Base36
16z86d
md5
acc539758fe7afffbe8f4c9bc9892c20
sha1
c7b0b23acb91bc283a4bf6fef35cd07e79f4c438
sha256
5f12c027c428b2715d942b068d7cf636575de9ce506a1aab4bb150d4b3da5fa0
sha512
1840f05e0e81e1bc3c094e40ffa3d90d86af4b9aeaed0872a93d79c19e7ae8c305152fc437f0616605393f6725ba2d10abf65d9a0bfc0308e623257541ab41e5
ripemd-160
897cb9a0d0dd2ed2c29aff25f72c2b9e7c406485
Diameter
144374858
Circumference
453566993.25587
Area
1.6370917561201E+16
Volume
1.5756992654854E+24
Surface area
6.5483670244803E+16
Circumference
453566993.25587
Perimeter
288749716
Area
5211024905630041
Diagonal
102088441.12464
Surface area
31266149433780246
Volume
3.761704903924E+23
Space diagonal
125032294.69577
Perimeter
216562287
Area
2.2564399740145E+15
Altitude
62516147.347885
Surface area
2.2564399740145E+15
Volume
4.4332117439789E+22
Height
34029480.374882