72688912 is an even 8-digits composite number following 72688911
and preceding 72688913 . In scientific notation, it is written as 7.2688912 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors.
There are 36078080 positive integers (up to 72688912) that are relatively prime to 72688912.
72688912 has 20 divisors, whose sum is 141867036
The reverse of 72688912 is 21988627
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-two million six hundred eighty-eight thousand nine hundred twelve
Scientific notation
7.2688912 × 10^7
Engineering notation
7.2688912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 137 × 33161
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9086114
Product of the distinct prime numbers
The prime factorization of 72688912 is 2 × 2 × 2 × 2 × 137 × 33161.
Since it has a total of 6 prime factors.
7 , 3 , 51 , 86 , 767 , 679 , 6612 , 6116 , 6111 , 10504 , 505358 , 421639 , 2183237 , 1651457 , 3076348 , 24281246 , 221023081 , 892848592 , 2380306712 , 8396217061
n×2
145377824
n×3
218066736
n×4
290755648
n×5
363444560
n÷2
36344456
n÷3
24229637.333333
n÷3
18172228
n÷5
14537782.4
n2
5283677927743744
n3
3.8406479992611E+23
n4
2.7917252444126E+31
n5
2.0292747061929E+39
2 √n
8525.779260572
3 √n
417.33940205823
4 √n
92.335146399256
5 √n
37.350260373612
1 , 2 , 4 , 8 , 16 , 137 , 274 , 548 , 1096 , 2192 , 33161 , 66322 , 132644 , 265288 , 530576 , 4543057 , 9086114 , 18172228 , 36344456 , 72688912
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72688911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72688912 can be divided by 20 positive divisors.
The sum of these divisors (counting 72688912) is 1, the average is 0.05.
Base
System
Value
2
Binary
100010101010010010100010000
3
Ternary
12001202222102221
4
Quaternary
10111102110100
5
Quinary
122102021122
6
Senary
11113550424
8
Octal
425222420
10
Decimal
72688912
12
Duodecimal
20415414
16
Hexadecimal
4552510
20
Vigesimal
12e625c
36
Base36
179z4g
md5
42216f1dff4ed765bf50afc1874ecc85
sha1
79a2db22cdec73e4cb9f7c46ee51cd7713f7f187
sha256
184fbed2a01504a0b7536be9e6a34ecb78bd2a6b9c3dd862bff7f3e31396b163
sha512
fb2109c8b6a8a576f41949247483235bcd71c9fa140e4ddb04d0570182e04b0dd796e113cdee505fc981bbe7482f811142ae6698ea9421ec17e6340b67ddf739
ripemd-160
c01bc2cfcd84098e27f033c3dc4d7e8a35a39f45
Diameter
145377824
Circumference
456717903.87327
Area
1.6599163761734E+16
Volume
1.6087668719337E+24
Surface area
6.6396655046937E+16
Circumference
456717903.87327
Perimeter
290755648
Area
5283677927743744
Diagonal
102797645.18454
Surface area
31702067566462464
Volume
3.8406479992611E+23
Space diagonal
125900888.7309
Perimeter
218066736
Area
2.2878996554206E+15
Altitude
62950444.365452
Surface area
2.2878996554206E+15
Volume
4.5262470740468E+22
Height
34265881.728181