68638045 is an odd 8-digits composite number following 68638044
and preceding 68638046 . In scientific notation, it is written as 6.8638045 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 46762560 positive integers (up to 68638045) that are relatively prime to 68638045.
68638045 has 8 divisors, whose sum is 71054496
The reverse of 68638045 is 54083686
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million six hundred thirty-eight thousand forty-five
Scientific notation
6.8638045 × 10^7
Engineering notation
6.8638045 × 10^6
Prime Factorization
35 × 157 × 12491
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68638045
Product of the distinct prime numbers
The prime factorization of 68638045 is 35 × 157 × 12491.
Since it has a total of 3 prime factors.
10 , 2 , 19 , 13 , 127 , 965 , 4375 , 3742 , 57774 , 84562 , 749025 , 696280 , 792632 , 202225 , 78102989 , 82543423 , 693608427 , 573314092 , 9340604666 , 7543613126
n×2
137276090
n×3
205914135
n×4
274552180
n×5
343190225
n÷2
34319022.5
n÷3
22879348.333333
n÷3
17159511.25
n÷5
13727609
n2
4711181221422025
n3
3.2336626867912E+23
n4
2.219522850108E+31
n5
1.5234370926424E+39
2 √n
8284.8080846813
3 √n
409.43814572812
4 √n
91.020921137293
5 √n
36.924360381211
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
-68638044
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 68638045 can be divided by 8 positive divisors.
The sum of these divisors (counting 68638045) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101110101010101011101
3
Ternary
11210011011200211
4
Quaternary
10011311111131
5
Quinary
120032404140
6
Senary
10451052421
8
Octal
405652535
10
Decimal
68638045
12
Duodecimal
1aba1111
16
Hexadecimal
417555d
20
Vigesimal
118jf25
36
Base36
14v5gd
md5
5592188470c7354d540bb1d726d1bd08
sha1
b6b0a76cd34919e65343a915965b5c2945fb53d6
sha256
6bef6074e8bf9a6d0bbdbafdd30e5fc5899e0c81233d1e7305045dd635db9d04
sha512
db2609a2b5e296f8ff6625a6567b6c8b98076267cb8e6add79de55787b19a516cc577ec76505ee44a3fb043ea7d05d445b60e8092703f11d5ba4615441737ab5
ripemd-160
33ebd520491fbeada76e15fa13a3ad66bcf2561e
Diameter
137276090
Circumference
431265555.85753
Area
1.480061231495E+16
Volume
1.3545134588014E+24
Surface area
5.9202449259798E+16
Circumference
431265555.85753
Perimeter
274552180
Area
4711181221422025
Diagonal
97068854.133775
Surface area
28267087328532150
Volume
3.2336626867912E+23
Space diagonal
118884581.2722
Perimeter
205914135
Area
2.0400013097918E+15
Altitude
59442290.636099
Surface area
2.0400013097918E+15
Volume
3.8109080231666E+22
Height
32356284.711258