68408020 is an even 8-digits composite number following 68408019
and preceding 68408021 . In scientific notation, it is written as 6.8408020 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 27363200 positive integers (up to 68408020) that are relatively prime to 68408020.
68408020 has 12 divisors, whose sum is 143656884
The reverse of 68408020 is 02080486
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
sixty-eight million four hundred eight thousand twenty
Scientific notation
6.8408020 × 10^7
Engineering notation
6.8408020 × 10^6
Prime Factorization
2 × 2 × 5 × 3420401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34204010
Product of the distinct prime numbers
The prime factorization of 68408020 is 2 × 2 × 5 × 3420401.
Since it has a total of 4 prime factors.
3 , 2 , 16 , 46 , 787 , 102 , 228 , 9652 , 51340 , 30359 , 162167 , 222233 , 4864850 , 5324714 , 42731424 , 47948057 , 586671403 , 57794551 , 9853411691 , 3147683610
n×2
136816040
n×3
205224060
n×4
273632080
n×5
342040100
n÷2
34204010
n÷3
22802673.333333
n÷3
17102005
n÷5
13681604
n2
4679657200320400
n3
3.2012608335266E+23
n4
2.1899191512511E+31
n5
1.4980803309717E+39
2 √n
8270.9140970028
3 √n
408.98025382756
4 √n
90.944566066384
5 √n
36.899578397392
1 , 2 , 4 , 5 , 10 , 20 , 3420401 , 6840802 , 13681604 , 17102005 , 34204010 , 68408020
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
-68408019
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 68408020 can be divided by 12 positive divisors.
The sum of these divisors (counting 68408020) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000100111101001011010100
3
Ternary
11202201111011101
4
Quaternary
10010331023110
5
Quinary
120003024040
6
Senary
10442115444
8
Octal
404751324
10
Decimal
68408020
12
Duodecimal
1aaabb84
16
Hexadecimal
413d2d4
20
Vigesimal
117b010
36
Base36
14q7ys
md5
0cd93642429e5933d90b63787aceed29
sha1
5ff77208424b8b4a290359ca8867903dd2f38bcb
sha256
21e3edd46b6c720893b1b42604ddaecd16df52783e968b90e2a14eaafb870594
sha512
1267e4ac3c4e5bf9d0b0b346d6ff07590d7cddca9d449478c27c218c8a74b6fea6ec76fcdd99ef910c17a601beba79db9615f35af07f0df4251b84c46786688c
ripemd-160
9506e37c5162cefe441c385b3d11999924658866
Diameter
136816040
Circumference
429820266.15725
Area
1.4701576681845E+16
Volume
1.3409410022443E+24
Surface area
5.8806306727381E+16
Circumference
429820266.15725
Perimeter
273632080
Area
4679657200320400
Diagonal
96743549.65909
Surface area
28077943201922400
Volume
3.2012608335266E+23
Space diagonal
118486166.28519
Perimeter
205224060
Area
2.0263510082401E+15
Altitude
59243083.142594
Surface area
2.0263510082401E+15
Volume
3.7727220728893E+22
Height
32247849.886363