67681728 is an even 8-digits composite number following 67681727
and preceding 67681729 . In scientific notation, it is written as 6.7681728 × 10^7.
The sum of its digits is 45. It has a total of 8 prime factors and 28 positive divisors.
There are 22560384 positive integers (up to 67681728) that are relatively prime to 67681728.
67681728 has 28 divisors, whose sum is 149230080
The reverse of 67681728 is 82718676
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-seven million six hundred eighty-one thousand seven hundred twenty-eight
Scientific notation
6.7681728 × 10^7
Engineering notation
6.7681728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 9 × 117503
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
2115054
Product of the distinct prime numbers
The prime factorization of 67681728 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 117503.
Since it has a total of 8 prime factors.
4 , 7 , 13 , 79 , 321 , 380 , 6161 , 2437 , 11876 , 23776 , 603857 , 740903 , 8268371 , 8803396 , 52697089 , 12061687 , 262766237 , 293913777 , 4658762932 , 2052849109
n×2
135363456
n×3
203045184
n×4
270726912
n×5
338408640
n÷2
33840864
n÷3
22560576
n÷3
16920432
n÷5
13536345.6
n2
4580816305065984
n3
3.1003756317744E+23
n4
2.0983878020758E+31
n5
1.4202251245861E+39
2 √n
8226.8905426048
3 √n
407.52771186704
4 √n
90.702208035994
5 √n
36.820890508555
1 , 2 , 4 , 8 , 9 , 16 , 18 , 32 , 36 , 64 , 72 , 144 , 288 , 576 , 117503 , 235006 , 470012 , 940024 , 1057527 , 1880048 , 2115054 , 3760096 , 4230108 , 7520192 , 8460216 , 16920432 , 33840864 , 67681728
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-67681727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 67681728 can be divided by 28 positive divisors.
The sum of these divisors (counting 67681728) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100000010001011110111000000
3
Ternary
11201100120212200
4
Quaternary
10002023313000
5
Quinary
114311303403
6
Senary
10414353200
8
Octal
402136700
10
Decimal
67681728
12
Duodecimal
1a7bb800
16
Hexadecimal
408bdc0
20
Vigesimal
1130468
36
Base36
14ank0
md5
b51633b80cfe0f6c721b8a160801b94a
sha1
3ef96209f78f30d3cbd552ab060c42e7bd251991
sha256
646b72cdbdeb1dba03ee987705ae69e494924fece7e160df37cea32cedf9a658
sha512
0be0770be15843f8e84a7fe907f78cb5c0b2557561ed6a21722f2594a8c9ebe4ea02350383fc2fed930290985523c1c58713e2749f2939540968fccf38a2b3b3
ripemd-160
03e922cbb550d9bea56f54f726f13223df9cee01
Diameter
135363456
Circumference
425256838.93413
Area
1.439105885144E+16
Volume
1.2986823077535E+24
Surface area
5.7564235405759E+16
Circumference
425256838.93413
Perimeter
270726912
Area
4580816305065984
Diagonal
95716417.662447
Surface area
27484897830395904
Volume
3.1003756317744E+23
Space diagonal
117228191.64006
Perimeter
203045184
Area
1.9835516451286E+15
Altitude
58614095.820029
Surface area
1.9835516451286E+15
Volume
3.653827722422E+22
Height
31905472.554149