68279918 is an even 8-digits composite number following 68279917
and preceding 68279919 . In scientific notation, it is written as 6.8279918 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 28318680 positive integers (up to 68279918) that are relatively prime to 68279918.
68279918 has 16 divisors, whose sum is 120827904
The reverse of 68279918 is 81997286
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-eight million two hundred seventy-nine thousand nine hundred eighteen
Scientific notation
6.8279918 × 10^7
Engineering notation
6.8279918 × 10^6
Prime Factorization
2 × 7 × 31 × 157327
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68279918
Product of the distinct prime numbers
The prime factorization of 68279918 is 2 × 7 × 31 × 157327.
Since it has a total of 4 prime factors.
6 , 8 , 22 , 47 , 100 , 914 , 2925 , 4624 , 1611 , 70526 , 461125 , 311316 , 4802670 , 7548389 , 44113570 , 9934297 , 851321521 , 738455707 , 7115898436 , 2951992919
n×2
136559836
n×3
204839754
n×4
273119672
n×5
341399590
n÷2
34139959
n÷3
22759972.666667
n÷3
17069979.5
n÷5
13655983.6
n2
4662147202086724
n3
3.1833102866241E+23
n4
2.1735616533925E+31
n5
1.4841061146158E+39
2 √n
8263.1663422686
3 √n
408.72480655977
4 √n
90.901960057353
5 √n
36.885748280831
1 , 2 , 7 , 14 , 31 , 62 , 217 , 434 , 157327 , 314654 , 1101289 , 2202578 , 4877137 , 9754274 , 34139959 , 68279918
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
-68279917
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 68279918 can be divided by 16 positive divisors.
The sum of these divisors (counting 68279918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000100011101111001101110
3
Ternary
11202110222102212
4
Quaternary
10010131321232
5
Quinary
114434424133
6
Senary
10435250422
8
Octal
404357156
10
Decimal
68279918
12
Duodecimal
1aa49a12
16
Hexadecimal
411de6e
20
Vigesimal
116ejfi
36
Base36
14nh4e
md5
f1fd44f190e9089a67ff14aa0e67d66f
sha1
65b10ce9c9e1894e2ee0b852b827050b015d3c82
sha256
30937fba76a9ff8708f7a592a0d409a08fd43fb61131a02378360077ed7e0088
sha512
fa942d34073288bb3ae8e38ab66b9377e113529435183986cefc736af3dfee6bd247b2e1ec342e30c8e13e03c429f579f90080cfcdb4cb67f941f0de19bbc82e
ripemd-160
77335b6b5625ef38259e0d47915ba311e3f8579d
Diameter
136559836
Circumference
429015377.55303
Area
1.464656740003E+16
Volume
1.3334218947407E+24
Surface area
5.8586269600119E+16
Circumference
429015377.55303
Perimeter
273119672
Area
4662147202086724
Diagonal
96562386.073323
Surface area
27972883212520344
Volume
3.1833102866241E+23
Space diagonal
118264287.11264
Perimeter
204839754
Area
2.0187689565948E+15
Altitude
59132143.556318
Surface area
2.0187689565948E+15
Volume
3.751567150488E+22
Height
32187462.024441