68251018 is an even 8-digits composite number following 68251017
and preceding 68251019 . In scientific notation, it is written as 6.8251018 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 31021980 positive integers (up to 68251018) that are relatively prime to 68251018.
68251018 has 16 divisors, whose sum is 112610880
The reverse of 68251018 is 81015286
Previous prime number is 121
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
sixty-eight million two hundred fifty-one thousand eighteen
Scientific notation
6.8251018 × 10^7
Engineering notation
6.8251018 × 10^6
Prime Factorization
2 × 11 × 121 × 25639
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68251018
Product of the distinct prime numbers
The prime factorization of 68251018 is 2 × 11 × 121 × 25639.
Since it has a total of 4 prime factors.
10 , 8 , 88 , 29 , 161 , 705 , 8456 , 6014 , 71429 , 78964 , 319332 , 913859 , 945580 , 8543607 , 48054660 , 82524217 , 600589730 , 477193453 , 7168570346 , 8845341066
n×2
136502036
n×3
204753054
n×4
273004072
n×5
341255090
n÷2
34125509
n÷3
22750339.333333
n÷3
17062754.5
n÷5
13650203.6
n2
4658201458036324
n3
3.1792699156006E+23
n4
2.1698840823652E+31
n5
1.4809679756342E+39
2 √n
8261.4174328622
3 √n
408.66713311701
4 √n
90.892339791988
5 √n
36.882625316776
1 , 2 , 11 , 22 , 121 , 242 , 1331 , 2662 , 25639 , 51278 , 282029 , 564058 , 3102319 , 6204638 , 34125509 , 68251018
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
-68251017
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 68251018 can be divided by 16 positive divisors.
The sum of these divisors (counting 68251018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000100010110110110001010
3
Ternary
11202102111210111
4
Quaternary
10010112312022
5
Quinary
114433013033
6
Senary
10434504534
8
Octal
404266612
10
Decimal
68251018
12
Duodecimal
1aa3514a
16
Hexadecimal
4116d8a
20
Vigesimal
116b7ai
36
Base36
14mutm
md5
1b51485d440d0bd02f5fdf56a7217dd1
sha1
1e7545e7a3f0fb76848cf20f101d557d59845434
sha256
a926a437cee6af0d194c51d210d31fbb5a7e035e0a18cf644f3068e4dd4adb48
sha512
111736605d28cbeb476b8f1f94353de215651daffb903a7fb13e773792b781b8dd64e747fc7a3b5cb1473add999cc97e98e3c44af37f14c7bce631abfe476e5c
ripemd-160
c83cec30c2c8e426dc3ce40192986be9d868b5fe
Diameter
136502036
Circumference
428833793.49765
Area
1.4634171479508E+16
Volume
1.331729468084E+24
Surface area
5.8536685918033E+16
Circumference
428833793.49765
Perimeter
273004072
Area
4658201458036324
Diagonal
96521515.30137
Surface area
27949208748217944
Volume
3.1792699156006E+23
Space diagonal
118214230.8443
Perimeter
204753054
Area
2.0170603993026E+15
Altitude
59107115.422149
Surface area
2.0170603993026E+15
Volume
3.7468055275727E+22
Height
32173838.43379