68457687 is an odd 8-digits composite number following 68457686
and preceding 68457688 . In scientific notation, it is written as 6.8457687 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 45060600 positive integers (up to 68457687) that are relatively prime to 68457687.
68457687 has 8 divisors, whose sum is 92432640
The reverse of 68457687 is 78675486
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-eight million four hundred fifty-seven thousand six hundred eighty-seven
Scientific notation
6.8457687 × 10^7
Engineering notation
6.8457687 × 10^6
Prime Factorization
3 × 79 × 288851
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68457687
Product of the distinct prime numbers
The prime factorization of 68457687 is 3 × 79 × 288851.
Since it has a total of 3 prime factors.
5 , 1 , 22 , 86 , 517 , 657 , 7960 , 5625 , 11271 , 73709 , 845916 , 983208 , 3412503 , 9271160 , 94987426 , 9677821 , 808323747 , 613441348 , 6002357767 , 7030092342
n×2
136915374
n×3
205373061
n×4
273830748
n×5
342288435
n÷2
34228843.5
n÷3
22819229
n÷3
17114421.75
n÷5
13691537.4
n2
4686454909389969
n3
3.2082386332663E+23
n4
2.1962859617745E+31
n5
1.5035265693366E+39
2 √n
8273.9160619383
3 √n
409.07920863954
4 √n
90.961068935772
5 √n
36.904934960405
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
-68457686
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 68457687 can be divided by 8 positive divisors.
The sum of these divisors (counting 68457687) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101001001010011010111
3
Ternary
11202211000021220
4
Quaternary
10011021103113
5
Quinary
120011121222
6
Senary
10443141423
8
Octal
405112327
10
Decimal
68457687
12
Duodecimal
1ab14873
16
Hexadecimal
41494d7
20
Vigesimal
117h447
36
Base36
14raaf
md5
e5d41a121c5bbd169e37723e3e8e1a77
sha1
ca65071a428bb0b362be276082f556707aada297
sha256
da69df810fb424c7440b32ebdbc8b1e8c80174dfdc8529d939bc91e699c4d67e
sha512
a059530f82b0b6a38ed7ddbacf0247b5d2f8c957769eb3d66ccd6e7055f87716e50f09b7b2804a982b5baf93cdaa9d17635fcfecdaf43031cb692bd297d19a98
ripemd-160
85cb3eade0ce983e6be3509910f0db51fdd1e199
Diameter
136915374
Circumference
430132333.1219
Area
1.4722932314719E+16
Volume
1.3438638561643E+24
Surface area
5.8891729258877E+16
Circumference
430132333.1219
Perimeter
273830748
Area
4686454909389969
Diagonal
96813789.404092
Surface area
28118729456339814
Volume
3.2082386332663E+23
Space diagonal
118572192.05265
Perimeter
205373061
Area
2.029294502611E+15
Altitude
59286096.026324
Surface area
2.029294502611E+15
Volume
3.7809454887455E+22
Height
32271263.134697