72187423 is an odd 8-digits composite number following 72187422
and preceding 72187424 . In scientific notation, it is written as 7.2187423 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 52940160 positive integers (up to 72187423) that are relatively prime to 72187423.
72187423 has 16 divisors, whose sum is 95295744
The reverse of 72187423 is 32478127
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
seventy-two million one hundred eighty-seven thousand four hundred twenty-three
Scientific notation
7.2187423 × 10^7
Engineering notation
7.2187423 × 10^6
Prime Factorization
11 × 7 × 17 × 55147
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72187423
Product of the distinct prime numbers
The prime factorization of 72187423 is 11 × 7 × 17 × 55147.
Since it has a total of 4 prime factors.
2 , 8 , 60 , 6 , 960 , 52 , 605 , 8166 , 35761 , 69630 , 927659 , 830213 , 7847133 , 6141547 , 31848707 , 28571731 , 965431575 , 60808692 , 906925754 , 1041845542
n×2
144374846
n×3
216562269
n×4
288749692
n×5
360937115
n÷2
36093711.5
n÷3
24062474.333333
n÷3
18046855.75
n÷5
14437484.6
n2
5211024039380929
n3
3.7617039659396E+23
n4
2.7154771539006E+31
n5
1.9602329795546E+39
2 √n
8496.3182026099
3 √n
416.37742920429
4 √n
92.175475060397
5 √n
37.29858082738
1 , 7 , 11 , 17 , 77 , 119 , 187 , 1309 , 55147 , 386029 , 606617 , 937499 , 4246319 , 6562493 , 10312489 , 72187423
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72187422
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72187423 can be divided by 16 positive divisors.
The sum of these divisors (counting 72187423) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011010111111000011111
3
Ternary
12000211111112021
4
Quaternary
10103113320133
5
Quinary
121434444143
6
Senary
11055121011
8
Octal
423277037
10
Decimal
72187423
12
Duodecimal
20213167
16
Hexadecimal
44d7e1f
20
Vigesimal
12b38b3
36
Base36
16z867
md5
dd8cc72b59c1a4f15e776ee5804f4645
sha1
18789332a147396decc086656fee5d8f2e620815
sha256
19e46658012f933628923f86ebb679ac05bd460d0663f6ca9401bbfdfea47b8f
sha512
62ee3b5d01d0a7d69e9fc3c74ea5f270aa20cd63547c68720fff11994a45e082e55e3fe56a2b8657975858b3fec5a992e8539476218954b01597cb91ca3b30e0
ripemd-160
b2c85a1b02164f2390f33180965d901271a4d672
Diameter
144374846
Circumference
453566955.55676
Area
1.6370914839799E+16
Volume
1.5756988725834E+24
Surface area
6.5483659359196E+16
Circumference
453566955.55676
Perimeter
288749692
Area
5211024039380929
Diagonal
102088432.63936
Surface area
31266144236285574
Volume
3.7617039659396E+23
Space diagonal
125032284.30347
Perimeter
216562269
Area
2.2564395989176E+15
Altitude
62516142.151733
Surface area
2.2564395989176E+15
Volume
4.4332106385537E+22
Height
34029477.546455