72188831 is an odd 8-digits composite number following 72188830
and preceding 72188832 . In scientific notation, it is written as 7.2188831 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 60577920 positive integers (up to 72188831) that are relatively prime to 72188831.
72188831 has 8 divisors, whose sum is 84809424
The reverse of 72188831 is 13888127
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million one hundred eighty-eight thousand eight hundred thirty-one
Scientific notation
7.2188831 × 10^7
Engineering notation
7.2188831 × 10^6
Prime Factorization
11 × 13 × 504817
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72188831
Product of the distinct prime numbers
The prime factorization of 72188831 is 11 × 13 × 504817.
Since it has a total of 3 prime factors.
4 , 6 , 85 , 36 , 271 , 885 , 7664 , 5853 , 83548 , 4313 , 906057 , 138854 , 2732502 , 1646505 , 46333793 , 1081226 , 367971095 , 40827094 , 8700469567 , 4962843394
n×2
144377662
n×3
216566493
n×4
288755324
n×5
360944155
n÷2
36094415.5
n÷3
24062943.666667
n÷3
18047207.75
n÷5
14437766.2
n2
5211227321146561
n3
3.7619240838883E+23
n4
2.7156890192664E+31
n5
1.9604241566038E+39
2 √n
8496.401061626
3 √n
416.38013630379
4 √n
92.175924522763
5 √n
37.298726326388
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
-72188830
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 72188831 can be divided by 8 positive divisors.
The sum of these divisors (counting 72188831) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011011000001110011111
3
Ternary
12000211120110102
4
Quaternary
10103120032133
5
Quinary
121440020311
6
Senary
11055131315
8
Octal
423301637
10
Decimal
72188831
12
Duodecimal
20213b3b
16
Hexadecimal
44d839f
20
Vigesimal
12b3c1b
36
Base36
16z99b
md5
32a058f1b66971693fcce66073bee79d
sha1
63d21982c8b68d5478e17860545f0ef96622f89f
sha256
074db934cfdb1b12bf67ecb5ae6072958545583eb18495c017c4c44f8b2c479f
sha512
8c6f650222e4941deb0b94bada6c207251a2a0b7aa6fe268d52fdba6c022e6f1190bdc0f404469c8a55152f4794fb9eb5b16986b3b468f3a9b9cdf440e79cbe3
ripemd-160
6ea204003cf9241aa6393e4c40c2383e60eb2018
Diameter
144377662
Circumference
453575802.28167
Area
1.63715534683E+16
Volume
1.5757910753741E+24
Surface area
6.5486213873202E+16
Circumference
453575802.28167
Perimeter
288755324
Area
5211227321146561
Diagonal
102090423.85206
Surface area
31267363926879366
Volume
3.7619240838883E+23
Space diagonal
125034723.031
Perimeter
216566493
Area
2.2565276225042E+15
Altitude
62517361.515502
Surface area
2.2565276225042E+15
Volume
4.433470050044E+22
Height
34030141.28402