67688728 is an even 8-digits composite number following 67688727
and preceding 67688729 . In scientific notation, it is written as 6.7688728 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 8 positive divisors.
There are 33844360 positive integers (up to 67688728) that are relatively prime to 67688728.
67688728 has 8 divisors, whose sum is 126916380
The reverse of 67688728 is 82788676
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-seven million six hundred eighty-eight thousand seven hundred twenty-eight
Scientific notation
6.7688728 × 10^7
Engineering notation
6.7688728 × 10^6
Prime Factorization
2 × 2 × 2 × 8461091
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16922182
Product of the distinct prime numbers
The prime factorization of 67688728 is 2 × 2 × 2 × 8461091.
Since it has a total of 4 prime factors.
6 , 8 , 71 , 81 , 278 , 895 , 6332 , 45 , 5016 , 32721 , 14186 , 525468 , 9214783 , 2834849 , 96040715 , 22778847 , 883644375 , 901343193 , 7591246976 , 4787191504
n×2
135377456
n×3
203066184
n×4
270754912
n×5
338443640
n÷2
33844364
n÷3
22562909.333333
n÷3
16922182
n÷5
13537745.6
n2
4581763898257984
n3
3.101337702694E+23
n4
2.099256041938E+31
n5
1.420959712251E+39
2 √n
8227.3159657327
3 √n
407.54176093526
4 √n
90.704553169798
5 √n
36.821652119048
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
-67688727
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 67688728 can be divided by 8 positive divisors.
The sum of these divisors (counting 67688728) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000010001101100100011000
3
Ternary
11201100221110221
4
Quaternary
10002031210120
5
Quinary
114312014403
6
Senary
10414445424
8
Octal
402154430
10
Decimal
67688728
12
Duodecimal
1a803874
16
Hexadecimal
408d918
20
Vigesimal
11311g8
36
Base36
14asyg
md5
ab107b38b55b0b0bce2764dfa64af7cf
sha1
67baf22b0580ff17c1d3609847930d8500f99ca9
sha256
b1d8dd1318868a227c6bbd1b7be71b3a227f33e67ea705dabfd8fcb935989843
sha512
62facb6da1f6565a4e28cf69e147b16ecb1d51ec873a9e3db49181bec5e8fbfa95de102dc67880a6fc087bb78d6cb6a0d5ff4394f780d81dcd724dd2d502a6ed
ripemd-160
03e6802d2215f6e89a353b1a66c5c010370b6ba9
Diameter
135377456
Circumference
425300821.23128
Area
1.439403580325E+16
Volume
1.299085299078E+24
Surface area
5.7576143213001E+16
Circumference
425300821.23128
Perimeter
270754912
Area
4581763898257984
Diagonal
95726317.157383
Surface area
27490583389547904
Volume
3.101337702694E+23
Space diagonal
117240315.99571
Perimeter
203066184
Area
1.9839619650169E+15
Altitude
58620157.997855
Surface area
1.9839619650169E+15
Volume
3.6549615338741E+22
Height
31908772.385794