68389655 is an odd 8-digits composite number following 68389654
and preceding 68389656 . In scientific notation, it is written as 6.8389655 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 54711720 positive integers (up to 68389655) that are relatively prime to 68389655.
68389655 has 4 divisors, whose sum is 82067592
The reverse of 68389655 is 55698386
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-eight million three hundred eighty-nine thousand six hundred fifty-five
Scientific notation
6.8389655 × 10^7
Engineering notation
6.8389655 × 10^6
Prime Factorization
5 × 13677931
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68389655
Product of the distinct prime numbers
The prime factorization of 68389655 is 5 × 13677931.
Since it has a total of 2 prime factors.
2 , 9 , 99 , 6 , 88 , 15 , 5545 , 1876 , 29579 , 73168 , 686217 , 822651 , 8264639 , 747858 , 61697361 , 24981685 , 38894867 , 744506229 , 3899812525 , 8836621205
n×2
136779310
n×3
205168965
n×4
273558620
n×5
341948275
n÷2
34194827.5
n÷3
22796551.666667
n÷3
17097413.75
n÷5
13677931
n2
4677144911019025
n3
3.198683268496E+23
n4
2.1875684518671E+31
n5
1.4960705171208E+39
2 √n
8269.8038066208
3 √n
408.94365190771
4 √n
90.938461646439
5 √n
36.897596952703
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68389654
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68389655 can be divided by 4 positive divisors.
The sum of these divisors (counting 68389655) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000100111000101100010111
3
Ternary
11202200112222012
4
Quaternary
10010320230113
5
Quinary
120001432110
6
Senary
10441454435
8
Octal
404705427
10
Decimal
68389655
12
Duodecimal
1aaa141b
16
Hexadecimal
4138b17
20
Vigesimal
1178e2f
36
Base36
14ptsn
md5
9534efdcf7f645facfede44c7720b6b3
sha1
5aa2cb71c1bf1ffad28abced6ec5564ae858d717
sha256
7961470abfd74d1c91894bfb70abcfd127b9cda6c096a859fdc65b777d5f22b4
sha512
46fa4e8343dba1ea12c9ed970f6e14604cd3df7fac67c0ebe574fb58b42e5f9f4081572ff22f477c28bdd9140db65c8aed1d6262052db44bae934602f8b6995c
ripemd-160
2bf1c5706e1cd1b810fe582a2446bc35e75b3c3a
Diameter
136779310
Circumference
429704875.45908
Area
1.4693684092232E+16
Volume
1.339861314329E+24
Surface area
5.8774736368929E+16
Circumference
429704875.45908
Perimeter
273558620
Area
4677144911019025
Diagonal
96717577.627017
Surface area
28062869466114150
Volume
3.198683268496E+23
Space diagonal
118454357.17211
Perimeter
205168965
Area
2.0252631550618E+15
Altitude
59227178.586053
Surface area
2.0252631550618E+15
Volume
3.7696843833691E+22
Height
32239192.542339