72187906 is an even 8-digits composite number following 72187905
and preceding 72187907 . In scientific notation, it is written as 7.2187906 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 30937668 positive integers (up to 72187906) that are relatively prime to 72187906.
72187906 has 8 divisors, whose sum is 123750720
The reverse of 72187906 is 60978127
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-two million one hundred eighty-seven thousand nine hundred six
Scientific notation
7.2187906 × 10^7
Engineering notation
7.2187906 × 10^6
Prime Factorization
2 × 7 × 5156279
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72187906
Product of the distinct prime numbers
The prime factorization of 72187906 is 2 × 7 × 5156279.
Since it has a total of 3 prime factors.
4 , 4 , 71 , 26 , 159 , 629 , 8531 , 6008 , 96205 , 60807 , 940667 , 358585 , 1942540 , 4474572 , 6256231 , 65499213 , 958958554 , 533164387 , 9865870420 , 3370451788
n×2
144375812
n×3
216563718
n×4
288751624
n×5
360939530
n÷2
36093953
n÷3
24062635.333333
n÷3
18046976.5
n÷5
14437581.2
n2
5211093772664836
n3
3.7617794741831E+23
n4
2.7155498307506E+31
n5
1.9602985592054E+39
2 √n
8496.346626639
3 √n
416.37835785105
4 √n
92.175629244606
5 √n
37.298630739583
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
-72187905
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 72187906 can be divided by 8 positive divisors.
The sum of these divisors (counting 72187906) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011011000000000000010
3
Ternary
12000211112012011
4
Quaternary
10103120000002
5
Quinary
121440003111
6
Senary
11055123134
8
Octal
423300002
10
Decimal
72187906
12
Duodecimal
202134aa
16
Hexadecimal
44d8002
20
Vigesimal
12b39f6
36
Base36
16z8jm
md5
e40451ce3f6a1404896ca28ce88d2f62
sha1
b26b9ac499569fc435deca95be8beaff199a6a4f
sha256
8fd9b0e67bf10eb0601265d859ec9cbe09292f922790fe5cd91e410a70215294
sha512
d2b58382cdbf554310081813218d07fc93cd7733c7a83a5f12ac939b88b89f945260937487aff138da789c1f9a1cd2325246e6c708e9eea31123d6c83978cbbc
ripemd-160
41427e64b2a1140e7d2dbfbc2add30844b6f6465
Diameter
144375812
Circumference
453569990.33526
Area
1.6371133913371E+16
Volume
1.5757305014025E+24
Surface area
6.5484535653485E+16
Circumference
453569990.33526
Perimeter
288751624
Area
5211093772664836
Diagonal
102089115.70451
Surface area
31266562635989016
Volume
3.7617794741831E+23
Space diagonal
125033120.88401
Perimeter
216563718
Area
2.2564697943153E+15
Altitude
62516560.442003
Surface area
2.2564697943153E+15
Volume
4.4332996258721E+22
Height
34029705.234838