68432881 is an odd 8-digits composite number following 68432880
and preceding 68432882 . In scientific notation, it is written as 6.8432881 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 61415640 positive integers (up to 68432881) that are relatively prime to 68432881.
68432881 has 12 divisors, whose sum is 76182400
The reverse of 68432881 is 18823486
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million four hundred thirty-two thousand eight hundred eighty-one
Scientific notation
6.8432881 × 10^7
Engineering notation
6.8432881 × 10^6
Prime Factorization
11 × 11 × 79 × 7159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6221171
Product of the distinct prime numbers
The prime factorization of 68432881 is 11 × 11 × 79 × 7159.
Since it has a total of 4 prime factors.
8 , 5 , 25 , 36 , 67 , 816 , 5412 , 3176 , 23800 , 19078 , 899325 , 915044 , 9180163 , 9571407 , 34429165 , 27748747 , 720445434 , 200486232 , 9408740544 , 3800053134
n×2
136865762
n×3
205298643
n×4
273731524
n×5
342164405
n÷2
34216440.5
n÷3
22810960.333333
n÷3
17108220.25
n÷5
13686576.2
n2
4683059201960161
n3
3.2047523308369E+23
n4
2.1931043489064E+31
n5
1.5008044892929E+39
2 √n
8272.4168777933
3 √n
409.02979200852
4 √n
90.952827761391
5 √n
36.902260033527
1 , 11 , 79 , 121 , 869 , 7159 , 9559 , 78749 , 565561 , 866239 , 6221171 , 68432881
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68432880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68432881 can be divided by 12 positive divisors.
The sum of these divisors (counting 68432881) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000101000011001111110001
3
Ternary
11202202202021011
4
Quaternary
10011003033301
5
Quinary
120004323011
6
Senary
10442430521
8
Octal
405031761
10
Decimal
68432881
12
Duodecimal
1ab02441
16
Hexadecimal
41433f1
20
Vigesimal
117e241
36
Base36
14qr5d
md5
615b65469f2247e4cc0cbe38b5e96b3c
sha1
54ed699b8a89f63f14a5c16f3c28c503b076b364
sha256
708dc5a3ffbebdbaf8650a98a8cc64e4c2b72005f7e1e01d534b661570f96b92
sha512
1d1490171f0ff9698170d7394196fbeed6318dfe54de3a42cb1a23ddc793b1645737cd905234906c13834c098174f1a53d97a884cdee3b0cfe6519449a628250
ripemd-160
777fc437e395e409ed63806e6bb1ce2c6605383e
Diameter
136865762
Circumference
429976472.42717
Area
1.4712264385204E+16
Volume
1.3424035172176E+24
Surface area
5.8849057540816E+16
Circumference
429976472.42717
Perimeter
273731524
Area
4683059201960161
Diagonal
96778708.422464
Surface area
28098355211760966
Volume
3.2047523308369E+23
Space diagonal
118529226.80031
Perimeter
205298643
Area
2.027824118162E+15
Altitude
59264613.400157
Surface area
2.027824118162E+15
Volume
3.7768368419303E+22
Height
32259569.474155