68154920 is an even 8-digits composite number following 68154919
and preceding 68154921 . In scientific notation, it is written as 6.8154920 × 10^7.
The sum of its digits is 35. It has a total of 6 prime factors and 32 positive divisors.
There are 27218688 positive integers (up to 68154920) that are relatively prime to 68154920.
68154920 has 32 divisors, whose sum is 153592200
The reverse of 68154920 is 02945186
Previous prime number is 997
Is Prime? no Number parity even Number length 8 Sum of Digits 35 Digital Root 8
Name
sixty-eight million one hundred fifty-four thousand nine hundred twenty
Scientific notation
6.8154920 × 10^7
Engineering notation
6.8154920 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 997 × 1709
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
17038730 Product of the distinct prime numbers
The prime factorization of 68154920 is 2 × 2 × 2 × 5 × 997 × 1709.
Since it has a total of 6 prime factors.
3 , 10 , 39 , 75 , 788 , 480 , 1296 , 9748 , 62110 , 57868 , 997168 , 260459 , 2912898 , 8473145 , 53455231 , 72370862 , 620800690 , 296764745 , 4433377389 , 6236869618
n×2
136309840
n×3
204464760
n×4
272619680
n×5
340774600
n÷2
34077460
n÷3
22718306.666667
n÷3
17038730
n÷5
13630984
n2
4645093120206400
n3
3.1658595000022E+23
n4
2.1576890095389E+31
n5
1.4705712183E+39
2 √n8255.5993119821
3 √n408.47524078801
4 √n90.860328592748
5 √n36.87223325375
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 997 , 1709 , 1994 , 3418 , 3988 , 4985 , 6836 , 7976 , 8545 , 9970 , 13672 , 17090 , 19940 , 34180 , 39880 , 68360 , 1703873 , 3407746 , 6815492 , 8519365 , 13630984 , 17038730 , 34077460 , 68154920
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-68154919 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68154920 can be divided by 32 positive divisors.
The sum of these divisors (counting 68154920) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000011111111011000101000
3
Ternary
11202020121222022
4
Quaternary
10003333120220
5
Quinary
114421424140
6
Senary
10432444012
8
Octal
403773050
10
Decimal
68154920
12
Duodecimal
1a9a9608
16
Hexadecimal
40ff628
20
Vigesimal
115j760
36
Base36
14kso8
md5
22db83e2d6eae1ed1719b733c50da4a0
sha1
571441b98e9db9628e9a148e84ead59adb5a88c2
sha256
7c94a6c609deae7a06494a703a6fc2cca8f8274554ca0b74cb3d872e088e3ecf
sha512
2205a8d7597b4cde8df2c73914025964faf1a7e48cfb856ffdf0548af2a48f6b47bfddceafaa7c32c5c0ddd305745dbae1c5436a600d6f543973832b442d4645
ripemd-160
a0b06fc12982d9b95ebfd07bd72928e3055e63be
Diameter
136309840
Circumference
428229991.956
Area
1.4592990421681E+16
Volume
1.3261121263339E+24
Surface area
5.8371961686724E+16
Circumference
428229991.956
Perimeter
272619680
Area
4645093120206400
Diagonal
96385612.206453
Surface area
27870558721238400
Volume
3.1658595000022E+23
Space diagonal
118047784.22579
Perimeter
204464760
Area
2.0113843225215E+15
Altitude
59023892.112896
Surface area
2.0113843225215E+15
Volume
3.7310012012257E+22
Height
32128537.402151