68389638 is an even 8-digits composite number following 68389637
and preceding 68389639 . In scientific notation, it is written as 6.8389638 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 22713696 positive integers (up to 68389638) that are relatively prime to 68389638.
68389638 has 16 divisors, whose sum is 137276400
The reverse of 68389638 is 83698386
Previous prime number is 277
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-eight million three hundred eighty-nine thousand six hundred thirty-eight
Scientific notation
6.8389638 × 10^7
Engineering notation
6.8389638 × 10^6
Prime Factorization
2 × 3 × 277 × 41149
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68389638
Product of the distinct prime numbers
The prime factorization of 68389638 is 2 × 3 × 277 × 41149.
Since it has a total of 4 prime factors.
10 , 7 , 61 , 25 , 359 , 156 , 5133 , 3413 , 44352 , 3354 , 92521 , 560696 , 7861450 , 2881808 , 23658962 , 90550708 , 892584183 , 163595929 , 7910286674 , 1110933943
n×2
136779276
n×3
205168914
n×4
273558552
n×5
341948190
n÷2
34194819
n÷3
22796546
n÷3
17097409.5
n÷5
13677927.6
n2
4677142585771044
n3
3.1986808831527E+23
n4
2.1875662767633E+31
n5
1.4960686576885E+39
2 √n
8269.802778785
3 √n
408.94361802324
4 √n
90.938455995167
5 √n
36.897595118334
1 , 2 , 3 , 6 , 277 , 554 , 831 , 1662 , 41149 , 82298 , 123447 , 246894 , 11398273 , 22796546 , 34194819 , 68389638
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68389637
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68389638 can be divided by 16 positive divisors.
The sum of these divisors (counting 68389638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000100111000101100000110
3
Ternary
11202200112221120
4
Quaternary
10010320230012
5
Quinary
120001432023
6
Senary
10441454410
8
Octal
404705406
10
Decimal
68389638
12
Duodecimal
1aaa1406
16
Hexadecimal
4138b06
20
Vigesimal
1178e1i
36
Base36
14pts6
md5
9d99e26d75eaf6a63839c3deec996aff
sha1
b6db34cd99a5925235a1ea599be1e8be27487ea9
sha256
2c35539daac41cf0a4345a4ad3b0b19ee90453205867e0bd4bc60346156adae2
sha512
743b4e78cbb353a93f2db3bb8c1672ebb8e2b8978bc827ca12bd6e622b8d550565a8ec5e56588d63da49f0e0d8a4296c10adc72664cf7de5ecadfbbe27924d6d
ripemd-160
1c0062daec16b0232db13ee81d4d300b2817e259
Diameter
136779276
Circumference
429704768.64493
Area
1.469367678725E+16
Volume
1.3398603151587E+24
Surface area
5.8774707149001E+16
Circumference
429704768.64493
Perimeter
273558552
Area
4677142585771044
Diagonal
96717553.585386
Surface area
28062855514626264
Volume
3.1986808831527E+23
Space diagonal
118454327.72724
Perimeter
205168914
Area
2.0252621481999E+15
Altitude
59227163.863622
Surface area
2.0252621481999E+15
Volume
3.769681572215E+22
Height
32239184.528462