68161005 is an odd 8-digits composite number following 68161004
and preceding 68161006 . In scientific notation, it is written as 6.8161005 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 33047520 positive integers (up to 68161005) that are relatively prime to 68161005.
68161005 has 8 divisors, whose sum is 77112000
The reverse of 68161005 is 50016186
Previous prime number is 55
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
sixty-eight million one hundred sixty-one thousand five
Scientific notation
6.8161005 × 10^7
Engineering notation
6.8161005 × 10^6
Prime Factorization
9 × 55 × 137699
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68161005
Product of the distinct prime numbers
The prime factorization of 68161005 is 9 × 55 × 137699.
Since it has a total of 3 prime factors.
3 , 7 , 21 , 54 , 198 , 102 , 135 , 4301 , 43629 , 46914 , 298016 , 928104 , 119788 , 5603885 , 91955535 , 53211882 , 273671680 , 171332663 , 1224158991 , 2837794451
n×2
136322010
n×3
204483015
n×4
272644020
n×5
340805025
n÷2
34080502.5
n÷3
22720335
n÷3
17040251.25
n÷5
13632201
n2
4645922602610025
n3
3.1667075374611E+23
n4
2.1584596829443E+31
n5
1.4712278124146E+39
2 √n
8255.9678415071
3 √n
408.48739690661
4 √n
90.862356570293
5 √n
36.872891634765
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
-68161004
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 68161005 can be divided by 8 positive divisors.
The sum of these divisors (counting 68161005) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000100000000110111101101
3
Ternary
11202020221022200
4
Quaternary
10010000313231
5
Quinary
114422123010
6
Senary
10432532113
8
Octal
404006755
10
Decimal
68161005
12
Duodecimal
1a9b1039
16
Hexadecimal
4100ded
20
Vigesimal
11602a5
36
Base36
14kxd9
md5
72e900252ab428f8aa621bca4ca72688
sha1
c5d88c4ecbcb327a24f26ac52ba655d5ce25701e
sha256
cf6532798b68a6eeaf0b91fd68ca8413f6a543ca1aa72343f5d77ace51a7416d
sha512
bd21d31c58d04921e73d9302e2492494496f7b680856c1681211ee9755be794de9a459d621017c3a8f726312892a8c55be3c0caa7213232e80a147be5c8f3361
ripemd-160
3d0204f1d7f2f1761ec1c9259c9f2ec94a30cda3
Diameter
136322010
Circumference
428268225.13859
Area
1.4595596317506E+16
Volume
1.326467351434E+24
Surface area
5.8382385270026E+16
Circumference
428268225.13859
Perimeter
272644020
Area
4645922602610025
Diagonal
96394217.69598
Surface area
27875535615660150
Volume
3.1667075374611E+23
Space diagonal
118058323.75496
Perimeter
204483015
Area
2.0117434989383E+15
Altitude
59029161.877478
Surface area
2.0117434989383E+15
Volume
3.7320006229556E+22
Height
32131405.89866