68655145 is an odd 8-digits composite number following 68655144
and preceding 68655146 . In scientific notation, it is written as 6.8655145 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 50171904 positive integers (up to 68655145) that are relatively prime to 68655145.
68655145 has 16 divisors, whose sum is 89646480
The reverse of 68655145 is 54155686
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million six hundred fifty-five thousand one hundred forty-five
Scientific notation
6.8655145 × 10^7
Engineering notation
6.8655145 × 10^6
Prime Factorization
5 × 13 × 97 × 10889
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68655145
Product of the distinct prime numbers
The prime factorization of 68655145 is 5 × 13 × 97 × 10889.
Since it has a total of 4 prime factors.
5 , 2 , 45 , 3 , 820 , 120 , 8797 , 5477 , 47021 , 81310 , 330966 , 89471 , 1385850 , 7763088 , 1282752 , 62234653 , 634735365 , 805321949 , 617832216 , 7142224729
n×2
137310290
n×3
205965435
n×4
274620580
n×5
343275725
n÷2
34327572.5
n÷3
22885048.333333
n÷3
17163786.25
n÷5
13731029
n2
4713528934971025
n3
3.2360801249213E+23
n4
2.2217355020809E+31
n5
1.5253357304701E+39
2 √n
8285.840029834
3 √n
409.47214441863
4 √n
91.026589685839
5 √n
36.926200013007
1 , 5 , 13 , 65 , 97 , 485 , 1261 , 6305 , 10889 , 54445 , 141557 , 707785 , 1056233 , 5281165 , 13731029 , 68655145
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68655144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68655145 can be divided by 16 positive divisors.
The sum of these divisors (counting 68655145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000101111001100000101001
3
Ternary
11210012001011011
4
Quaternary
10011321200221
5
Quinary
120033431040
6
Senary
10451303521
8
Octal
405714051
10
Decimal
68655145
12
Duodecimal
1abaaba1
16
Hexadecimal
4179829
20
Vigesimal
1191hh5
36
Base36
14vind
md5
6c6bb3dcb007b9560c801ac32f90cb5c
sha1
a355cb5c251e539fbcb2e30a7bc224b74b1b355b
sha256
228091dd2594cbe280930a377ba4f8d1410371f9957e5de66d26d7ac1a156130
sha512
fe4e093ba0ff4fcb493b8cde355ac3bbc95d22bda0561cc30061690d657326664ef5b227db2309d1ad7d0124da80f32b7e0eb7dcae964abef1cd227891ecada6
ripemd-160
d3a8840d2f0d1ab94fdc69512baa38abaef01be4
Diameter
137310290
Circumference
431372998.32628
Area
1.4807987874588E+16
Volume
1.3555260729174E+24
Surface area
5.9231951498352E+16
Circumference
431372998.32628
Perimeter
274620580
Area
4713528934971025
Diagonal
97093037.185691
Surface area
28281173609826150
Volume
3.2360801249213E+23
Space diagonal
118914199.34101
Perimeter
205965435
Area
2.041017899579E+15
Altitude
59457099.670504
Surface area
2.041017899579E+15
Volume
3.8137570013248E+22
Height
32364345.728564