68509969 is an odd 8-digits composite number following 68509968
and preceding 68509970 . In scientific notation, it is written as 6.8509969 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 60272400 positive integers (up to 68509969) that are relatively prime to 68509969.
68509969 has 8 divisors, whose sum is 77149440
The reverse of 68509969 is 96990586
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-eight million five hundred nine thousand nine hundred sixty-nine
Scientific notation
6.8509969 × 10^7
Engineering notation
6.8509969 × 10^6
Prime Factorization
31 × 11 × 200909
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68509969
Product of the distinct prime numbers
The prime factorization of 68509969 is 31 × 11 × 200909.
Since it has a total of 3 prime factors.
3 , 8 , 84 , 81 , 435 , 518 , 5071 , 6717 , 23797 , 73927 , 900821 , 64980 , 7225218 , 6802272 , 83920177 , 63915376 , 99003267 , 34418837 , 9258662676 , 8231225869
n×2
137019938
n×3
205529907
n×4
274039876
n×5
342549845
n÷2
34254984.5
n÷3
22836656.333333
n÷3
17127492.25
n÷5
13701993.8
n2
4693615852380961
n3
3.2155947654453E+23
n4
2.2030029769722E+31
n5
1.5092766565927E+39
2 √n
8277.0749060281
3 √n
409.18332179227
4 √n
90.97843099344
5 √n
36.910570192157
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
-68509968
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 68509969 can be divided by 8 positive divisors.
The sum of these divisors (counting 68509969) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101010110000100010001
3
Ternary
11202220200000021
4
Quaternary
10011112010101
5
Quinary
120014304334
6
Senary
10444223441
8
Octal
405260421
10
Decimal
68509969
12
Duodecimal
1ab3ab81
16
Hexadecimal
4156111
20
Vigesimal
1183ei9
36
Base36
14semp
md5
d6e03c58b83b38be66a2ac9bf806bc7e
sha1
83a580401b8e2f30d0df79a54d21e9817a4d1f2e
sha256
d16c5968e2fb914098ade8e9d581387df1a6d32404d66cb5d50b5cebc8b706a0
sha512
d89a2d05efd5af14e2b838b520c0dab49e317af78eba3e864dcac9e1a8b838d13f1c1f753714c1444e41409d6d7e6131fc73c82d921c4a70b0cd2ce9c4c3aa5e
ripemd-160
a7e3726cb1411a998318cd91db1fec6c11473c82
Diameter
137019938
Circumference
430460830.61613
Area
1.4745429080613E+16
Volume
1.346945185606E+24
Surface area
5.898171632245E+16
Circumference
430460830.61613
Perimeter
274039876
Area
4693615852380961
Diagonal
96887727.31756
Surface area
28161695114285766
Volume
3.2155947654453E+23
Space diagonal
118662747.13297
Perimeter
205529907
Area
2.0323952818836E+15
Altitude
59331373.566484
Surface area
2.0323952818836E+15
Volume
3.7896147736572E+22
Height
32295909.105853