138894 is an even 6-digits composite number following 138893
and preceding 138895 . In scientific notation, it is written as 1.38894 × 10^5.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 39672 positive integers (up to 138894) that are relatively prime to 138894.
138894 has 8 divisors, whose sum is 218328
The reverse of 138894 is 498831
Previous prime number is 21
Is Prime? no
Number parity even
Number length 6
Sum of Digits 33
Digital Root 6
Name
one hundred thirty-eight thousand eight hundred ninety-four
Scientific notation
1.38894 × 10^5
Engineering notation
1.38894 × 10^3
Prime Factorization
2 × 21 × 3307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138894
Product of the distinct prime numbers
The prime factorization of 138894 is 2 × 21 × 3307.
Since it has a total of 3 prime factors.
6 , 8 , 4 , 56 , 540 , 681 , 5090 , 926 , 70356 , 59144 , 519177 , 703827 , 7643733 , 4956772 , 92729422 , 46256263 , 673737124 , 647456034 , 324722075 , 1205949337
n×2
277788
n×3
416682
n×4
555576
n×5
694470
n÷2
69447
n÷3
46298
n÷3
34723.5
n÷5
27778.8
n2
19291543236
n3
2679479606220984
n4
3.7216364042646E+20
n5
5.1691296673392E+25
2 √n
372.68485346201
3 √n
51.787843681195
4 √n
19.305047357155
5 √n
10.679150255266
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138894 can be divided by 8 positive divisors.
The sum of these divisors (counting 138894) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001111010001110
3
Ternary
21001112020
4
Quaternary
201322032
5
Quinary
13421034
6
Senary
2551010
8
Octal
417216
10
Decimal
138894
12
Duodecimal
68466
16
Hexadecimal
21e8e
20
Vigesimal
h74e
36
Base36
2z66
md5
c8791048d652d893d8e3b5d551e7f022
sha1
fa136c5c66ee845ef0b7e402ca07e832ba464f76
sha256
7c6565f2f70146bcd92ffde41d537790af91c5341d98298c46462e8d103dc9cc
sha512
e28e5040ace87bad2083314a57cdf90af51887ccd02762774e0cc149335ae58b79c03edfc4249d9edcd2b2c245bd1818bc4d85584bead915e63a1312b0307b17
ripemd-160
79ae0844134dc9db733ed12e9685942ce2ae36f6
Diameter
277788
Circumference
872696.7400554
Area
60606170506.627
Volume
1.1223777928463E+16
Surface area
242424682026.51
Circumference
872696.7400554
Perimeter
555576
Area
19291543236
Diagonal
196425.77853225
Surface area
115749259416
Volume
2679479606220984
Space diagonal
240571.46486647
Perimeter
416682
Area
8353483260.2909
Altitude
120285.73243324
Surface area
8353483260.2909
Volume
3.1577969993499E+14
Height
65475.25951075