68637893 is an odd 8-digits composite number following 68637892
and preceding 68637894 . In scientific notation, it is written as 6.8637893 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 68177088 positive integers (up to 68637893) that are relatively prime to 68637893.
68637893 has 4 divisors, whose sum is 69098700
The reverse of 68637893 is 39873686
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-eight million six hundred thirty-seven thousand eight hundred ninety-three
Scientific notation
6.8637893 × 10^7
Engineering notation
6.8637893 × 10^6
Prime Factorization
149 × 460657
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68637893
Product of the distinct prime numbers
The prime factorization of 68637893 is 149 × 460657.
Since it has a total of 2 prime factors.
4 , 3 , 38 , 19 , 847 , 503 , 3328 , 9152 , 41123 , 53043 , 185804 , 740996 , 327936 , 5818491 , 18370890 , 69914941 , 316575500 , 745142949 , 6242367652 , 8922252648
n×2
137275786
n×3
205913679
n×4
274551572
n×5
343189465
n÷2
34318946.5
n÷3
22879297.666667
n÷3
17159473.25
n÷5
13727578.6
n2
4711160355479449
n3
3.2336412038524E+23
n4
2.2195031895041E+31
n5
1.5234202243434E+39
2 √n
8284.7989112591
3 √n
409.43784349222
4 √n
91.020870745446
5 √n
36.924344027284
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68637892
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68637893 can be divided by 4 positive divisors.
The sum of these divisors (counting 68637893) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000101110101010011000101
3
Ternary
11210011011111012
4
Quaternary
10011311103011
5
Quinary
120032403033
6
Senary
10451052005
8
Octal
405652305
10
Decimal
68637893
12
Duodecimal
1aba1005
16
Hexadecimal
41754c5
20
Vigesimal
118jeed
36
Base36
14v5c5
md5
fa7cfe9db6c6db6568ec888194a36265
sha1
86098975219d8d91f405aab52779f2a5cdd96189
sha256
a4d0c1420b502f2ee1d5a5aa4e21388f0a0d32bf2f3c3f146cab4b0a4e6bd6ab
sha512
f901e393afb8c081bec289856414ebae7c9b603f0e2e7cff858e6ddee8a3dcb034ed503bf3bffae0acd4df0736eb9405f6944c293b09893b306237197c86b931
ripemd-160
34de1b6eae1984f5fefcd8d7e72b812c42d97ae2
Diameter
137275786
Circumference
431264600.81336
Area
1.4800546762658E+16
Volume
1.3545044600491E+24
Surface area
5.9202187050631E+16
Circumference
431264600.81336
Perimeter
274551572
Area
4711160355479449
Diagonal
97068639.173313
Surface area
28266962132876694
Volume
3.2336412038524E+23
Space diagonal
118884318.00048
Perimeter
205913679
Area
2.0399922745737E+15
Altitude
59442159.000238
Surface area
2.0399922745737E+15
Volume
3.8108827052804E+22
Height
32356213.057771