67839945 is an odd 8-digits composite number following 67839944
and preceding 67839946 . In scientific notation, it is written as 6.7839945 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 33871872 positive integers (up to 67839945) that are relatively prime to 67839945.
67839945 has 32 divisors, whose sum is 115540992
The reverse of 67839945 is 54993876
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-seven million eight hundred thirty-nine thousand nine hundred forty-five
Scientific notation
6.7839945 × 10^7
Engineering notation
6.7839945 × 10^6
Prime Factorization
3 × 5 × 17 × 223 × 1193
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
67839945
Product of the distinct prime numbers
The prime factorization of 67839945 is 3 × 5 × 17 × 223 × 1193.
Since it has a total of 5 prime factors.
7 , 4 , 1 , 51 , 539 , 190 , 9187 , 3248 , 24456 , 8679 , 767334 , 625904 , 7249252 , 2230241 , 28219337 , 68093582 , 60813559 , 517458900 , 8731897992 , 5485023985
n×2
135679890
n×3
203519835
n×4
271359780
n×5
339199725
n÷2
33919972.5
n÷3
22613315
n÷3
16959986.25
n÷5
13567989
n2
4602258137603025
n3
3.1221693893079E+23
n4
2.1180779965133E+31
n5
1.4369029478917E+39
2 √n
8236.5007739938
3 √n
407.84501875128
4 √n
90.755169406452
5 √n
36.838089392908
1 , 3 , 5 , 15 , 17 , 51 , 85 , 223 , 255 , 669 , 1115 , 1193 , 3345 , 3579 , 3791 , 5965 , 11373 , 17895 , 18955 , 20281 , 56865 , 60843 , 101405 , 266039 , 304215 , 798117 , 1330195 , 3990585 , 4522663 , 13567989 , 22613315 , 67839945
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-67839944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 67839945 can be divided by 32 positive divisors.
The sum of these divisors (counting 67839945) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000010110010011111001001
3
Ternary
11201122121220120
4
Quaternary
10002302133021
5
Quinary
114331334240
6
Senary
10422013453
8
Octal
402623711
10
Decimal
67839945
12
Duodecimal
1a877289
16
Hexadecimal
40b27c9
20
Vigesimal
113jjh5
36
Base36
14e1mx
md5
0eff548443b9cfaae3409ba1c9378c18
sha1
9d3ffb74513a218be1a534e204750e9b568e1850
sha256
a20c0549c1578a61c08581820cc51cc0a1958ead747f28b57ad1529b00e63565
sha512
b82f9a1a10fa2064dfb60c9134b3e1e21327fbbcb95e259f5c01253eefc205e85883b01e67bcbfd5fa7fcbe9f80972b1356579b0f822921e7bdf2796a51cf956
ripemd-160
903b155820e7d8338a20e324caeff1c6ad38aa02
Diameter
135679890
Circumference
426250945.66387
Area
1.4458420355018E+16
Volume
1.3078112555617E+24
Surface area
5.783368142007E+16
Circumference
426250945.66387
Perimeter
271359780
Area
4602258137603025
Diagonal
95940170.289645
Surface area
27613548825618150
Volume
3.1221693893079E+23
Space diagonal
117502231.52268
Perimeter
203519835
Area
1.9928362309689E+15
Altitude
58751115.761339
Surface area
1.9928362309689E+15
Volume
3.6795119119878E+22
Height
31980056.763215