68438861 is an odd 8-digits prime number following 68438860
and preceding 68438862 . In scientific notation, it is written as 6.8438861 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 68438860 positive integers (up to 68438861) that are relatively prime to 68438861.
68438861 has 2 divisors, whose sum is 68438862
The reverse of 68438861 is 16883486
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-eight million four hundred thirty-eight thousand eight hundred sixty-one
Scientific notation
6.8438861 × 10^7
Engineering notation
6.8438861 × 10^6
Prime Factorization
68438861
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
68438861
Product of the distinct prime numbers
The prime factorization of 68438861 is 68438861.
Since it has a total of 1 prime factors.
8 , 7 , 40 , 17 , 152 , 261 , 1684 , 5358 , 97441 , 43433 , 512475 , 785200 , 8570735 , 7858366 , 82000394 , 4835522 , 118070617 , 394107442 , 979528911 , 8974259557
n×2
136877722
n×3
205316583
n×4
273755444
n×5
342194305
n÷2
34219430.5
n÷3
22812953.666667
n÷3
17109715.25
n÷5
13687772.2
n2
4683877694977321
n3
3.2055925450755E+23
n4
2.1938710261506E+31
n5
1.5014603421065E+39
2 √n
8272.7783120304
3 √n
409.04170600306
4 √n
90.954814672069
5 √n
36.902904950996
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
68438862
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
34219431
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8272.7783724696
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999707768
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68438861 can be divided by 2 positive divisors.
The sum of these divisors (counting 68438861) is 68438862, the average is 34219431.
Base
System
Value
2
Binary
100000101000100101101001101
3
Ternary
11202210001110122
4
Quaternary
10011010231031
5
Quinary
120010020421
6
Senary
10442514325
8
Octal
405045515
10
Decimal
68438861
12
Duodecimal
1ab059a5
16
Hexadecimal
4144b4d
20
Vigesimal
117eh31
36
Base36
14qvrh
md5
fb4244f7f4d19774dcd34d832de311a2
sha1
62b68ab167f5993b1e72d519c9f2e44b469eaee8
sha256
f8fbfbe4c25d7fe0157c6d921f0e75d4095880bb85b8e014c63d310381712a66
sha512
8957814c84f06a8e319288ff13ebfe66c2a9c93bbf2a67d954ab75adae034052cf58b395c679749b6c1d55c4e753e90b577c935f137fb67b8d745c96412e75d8
ripemd-160
d0c9212ab8c0c4a57c01f53e4420d0fd6d1305ba
Diameter
136877722
Circumference
430014045.87531
Area
1.4714835756854E+16
Volume
1.3427554653349E+24
Surface area
5.8859343027415E+16
Circumference
430014045.87531
Perimeter
273755444
Area
4683877694977321
Diagonal
96787165.419567
Surface area
28103266169863926
Volume
3.2055925450755E+23
Space diagonal
118539584.46414
Perimeter
205316583
Area
2.0281785360348E+15
Altitude
59269792.232072
Surface area
2.0281785360348E+15
Volume
3.7778270439066E+22
Height
32262388.473189