68389931 is an odd 8-digits prime number following 68389930
and preceding 68389932 . In scientific notation, it is written as 6.8389931 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 68389930 positive integers (up to 68389931) that are relatively prime to 68389931.
68389931 has 2 divisors, whose sum is 68389932
The reverse of 68389931 is 13998386
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-eight million three hundred eighty-nine thousand nine hundred thirty-one
Scientific notation
6.8389931 × 10^7
Engineering notation
6.8389931 × 10^6
Prime Factorization
68389931
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
68389931
Product of the distinct prime numbers
The prime factorization of 68389931 is 68389931.
Since it has a total of 1 prime factors.
7 , 7 , 59 , 95 , 95 , 901 , 9679 , 2470 , 42582 , 50315 , 689162 , 933764 , 7122545 , 2366899 , 92604410 , 36647495 , 840447187 , 963402172 , 3287107069 , 5094605668
n×2
136779862
n×3
205169793
n×4
273559724
n×5
341949655
n÷2
34194965.5
n÷3
22796643.666667
n÷3
17097482.75
n÷5
13677986.2
n2
4677182662184761
n3
3.1987219954121E+23
n4
2.1876037655442E+31
n5
1.4961007058091E+39
2 √n
8269.8204938197
3 √n
408.94420203134
4 √n
90.938553396344
5 √n
36.897626734167
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
68389932
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
34194966
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8269.8205542805
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999707559
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68389931 can be divided by 2 positive divisors.
The sum of these divisors (counting 68389931) is 68389932, the average is 34194966.
Base
System
Value
2
Binary
100000100111000110000101011
3
Ternary
11202200120100102
4
Quaternary
10010320300223
5
Quinary
120001434211
6
Senary
10441500015
8
Octal
404706053
10
Decimal
68389931
12
Duodecimal
1aaa160b
16
Hexadecimal
4138c2b
20
Vigesimal
1178egb
36
Base36
14pu0b
md5
0667e9817d039dab85194c987e437b94
sha1
bf4a8600abdb8f0a767b659f3621b4b6be48096d
sha256
c148c3ada0c8adfffdabeb140b9ab437f568f29efd0a4a4d6100a4c53264ed47
sha512
6c469a90a442f72a65c30b9a85d54e9d3c25191524229c5066592ed95171c2d6d372bce7e349da155a5e1f3163d9c84760cf685d7b256d3b320b1eb322900046
ripemd-160
4999097de61264defea65f161e611ee30533ce76
Diameter
136779862
Circumference
429706609.61823
Area
1.4693802691017E+16
Volume
1.3398775362217E+24
Surface area
5.8775210764069E+16
Circumference
429706609.61823
Perimeter
273559724
Area
4677182662184761
Diagonal
96717967.94996
Surface area
28063095973108566
Volume
3.1987219954121E+23
Space diagonal
118454835.21813
Perimeter
205169793
Area
2.0252795017961E+15
Altitude
59227417.609065
Surface area
2.0252795017961E+15
Volume
3.7697300234775E+22
Height
32239322.649987