72187427 is an odd 8-digits composite number following 72187426
and preceding 72187428 . In scientific notation, it is written as 7.2187427 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 65973600 positive integers (up to 72187427) that are relatively prime to 72187427.
72187427 has 8 divisors, whose sum is 78511440
The reverse of 72187427 is 72478127
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million one hundred eighty-seven thousand four hundred twenty-seven
Scientific notation
7.2187427 × 10^7
Engineering notation
7.2187427 × 10^6
Prime Factorization
13 × 101 × 54979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72187427
Product of the distinct prime numbers
The prime factorization of 72187427 is 13 × 101 × 54979.
Since it has a total of 3 prime factors.
1 , 7 , 12 , 84 , 83 , 451 , 4177 , 770 , 49372 , 30628 , 623021 , 501301 , 2218357 , 7689072 , 15239207 , 87535257 , 88701665 , 312754332 , 9340296283 , 2753573545
n×2
144374854
n×3
216562281
n×4
288749708
n×5
360937135
n÷2
36093713.5
n÷3
24062475.666667
n÷3
18046856.75
n÷5
14437485.4
n2
5211024616880329
n3
3.7617045912625E+23
n4
2.7154777557733E+31
n5
1.9602335226501E+39
2 √n
8496.318438006
3 √n
416.37743689497
4 √n
92.175476337288
5 √n
37.298581240733
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
-72187426
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 72187427 can be divided by 8 positive divisors.
The sum of these divisors (counting 72187427) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011010111111000100011
3
Ternary
12000211111112102
4
Quaternary
10103113320203
5
Quinary
121434444202
6
Senary
11055121015
8
Octal
423277043
10
Decimal
72187427
12
Duodecimal
2021316b
16
Hexadecimal
44d7e23
20
Vigesimal
12b38b7
36
Base36
16z86b
md5
764472f8a5b3303402e5d75bb3d2e8fe
sha1
76bfadc7b1f73c64f330295ead62d16e3b6c50ad
sha256
e0700c04846a1d87c24869189968c1f2e0462d5f79cb33e92a0e00e29f7d3fd1
sha512
b590ebbdbdb0a7aa09d794be539d99f2dd620d99be53f10f83657a7c2b35a67345597a27c253a8c1fe9c56a2d6c81781bc033559538a3c405634aae86854831d
ripemd-160
c35fc1316fe4f6c97f6a61aa0bfa1d1e4d4596eb
Diameter
144374854
Circumference
453566980.6895
Area
1.6370916654067E+16
Volume
1.575699134518E+24
Surface area
6.5483666616267E+16
Circumference
453566980.6895
Perimeter
288749708
Area
5211024616880329
Diagonal
102088438.29622
Surface area
31266147701281974
Volume
3.7617045912625E+23
Space diagonal
125032291.23167
Perimeter
216562281
Area
2.2564398489822E+15
Altitude
62516145.615835
Surface area
2.2564398489822E+15
Volume
4.4332113755038E+22
Height
34029479.432073