72188889 is an odd 8-digits composite number following 72188888
and preceding 72188890 . In scientific notation, it is written as 7.2188889 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 47658480 positive integers (up to 72188889) that are relatively prime to 72188889.
72188889 has 8 divisors, whose sum is 97186752
The reverse of 72188889 is 98888127
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
seventy-two million one hundred eighty-eight thousand eight hundred eighty-nine
Scientific notation
7.2188889 × 10^7
Engineering notation
7.2188889 × 10^6
Prime Factorization
3 × 103 × 233621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72188889
Product of the distinct prime numbers
The prime factorization of 72188889 is 3 × 103 × 233621.
Since it has a total of 3 prime factors.
9 , 7 , 44 , 60 , 642 , 755 , 2996 , 1715 , 18717 , 16192 , 92566 , 73956 , 8952053 , 1634036 , 7469023 , 46632194 , 930438971 , 347977473 , 9760543309 , 8673680555
n×2
144377778
n×3
216566667
n×4
288755556
n×5
360944445
n÷2
36094444.5
n÷3
24062963
n÷3
18047222.25
n÷5
14437777.8
n2
5211235695054321
n3
3.7619331514311E+23
n4
2.7156977469408E+31
n5
1.9604320321146E+39
2 √n
8496.4044748352
3 √n
416.38024781707
4 √n
92.175943037407
5 √n
37.298732319906
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
-72188888
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 72188889 can be divided by 8 positive divisors.
The sum of these divisors (counting 72188889) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011011000001111011001
3
Ternary
12000211120112120
4
Quaternary
10103120033121
5
Quinary
121440021024
6
Senary
11055131453
8
Octal
423301731
10
Decimal
72188889
12
Duodecimal
20213b89
16
Hexadecimal
44d83d9
20
Vigesimal
12b3c49
36
Base36
16z9ax
md5
d5ae2d342a71a99b66d49d0bdcebf8a9
sha1
877fe46d5e41ebc5f1c049ab2ad9f797e08ad669
sha256
ffd21350c7bdb0d027a63d2f106b42cd62010c52f28797d1529f42c574a0b7a7
sha512
fcb74a8a2062877d0becb8e7516a2861f9ec22e0d8d3760d7332681a04b77c647b900b933d30803a79267e934518872982ecac4e6c4ada425c36f29807a4d9e0
ripemd-160
0541ca3bc191bbfda9d3cbb77c082f0fead85d4d
Diameter
144377778
Circumference
453576166.70642
Area
1.6371579775708E+16
Volume
1.5757948735776E+24
Surface area
6.548631910283E+16
Circumference
453576166.70642
Perimeter
288755556
Area
5211235695054321
Diagonal
102090505.87645
Surface area
31267414170325926
Volume
3.7619331514311E+23
Space diagonal
125034823.48995
Perimeter
216566667
Area
2.2565312485126E+15
Altitude
62517411.744975
Surface area
2.2565312485126E+15
Volume
4.4334807362457E+22
Height
34030168.625482