138538994 is an even 9-digits composite number following 138538993
and preceding 138538995 . In scientific notation, it is written as 1.38538994 × 10^8.
The sum of its digits is 50. It has a total of 5 prime factors and 32 positive divisors.
There are 59389200 positive integers (up to 138538994) that are relatively prime to 138538994.
138538994 has 32 divisors, whose sum is 239708160
The reverse of 138538994 is 499835831
Previous prime number is 1223
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred thirty-eight million five hundred thirty-eight thousand nine hundred ninety-four
Scientific notation
1.38538994 × 10^8
Engineering notation
1.38538994 × 10^6
Prime Factorization
2 × 19 × 11 × 1223 × 271
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
138538994
Product of the distinct prime numbers
The prime factorization of 138538994 is 2 × 19 × 11 × 1223 × 271.
Since it has a total of 5 prime factors.
6 , 8 , 60 , 69 , 924 , 774 , 1026 , 5296 , 20073 , 52143 , 330036 , 249955 , 3815267 , 6697160 , 18166579 , 35836552 , 809019320 , 246918906 , 7751228774 , 4988891003
n×2
277077988
n×3
415616982
n×4
554155976
n×5
692694970
n÷2
69269497
n÷3
46179664.666667
n÷3
34634748.5
n÷5
27707798.8
n2
19193052858532036
n3
2.6589862348099E+24
n4
3.683732780304E+32
n5
5.1034063354815E+40
2 √n
11770.258875658
3 √n
517.4368367136
4 √n
108.49082392377
5 √n
42.492707705928
1 , 2 , 11 , 19 , 22 , 38 , 209 , 271 , 418 , 542 , 1223 , 2446 , 2981 , 5149 , 5962 , 10298 , 13453 , 23237 , 26906 , 46474 , 56639 , 113278 , 255607 , 331433 , 511214 , 662866 , 3645763 , 6297227 , 7291526 , 12594454 , 69269497 , 138538994
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
-138538993
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 138538994 can be divided by 32 positive divisors.
The sum of these divisors (counting 138538994) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000010000011110111111110010
3
Ternary
100122200111202212
4
Quaternary
20100132333302
5
Quinary
240431221434
6
Senary
21425212122
8
Octal
1020367762
10
Decimal
138538994
12
Duodecimal
3a491042
16
Hexadecimal
841eff2
20
Vigesimal
235h79e
36
Base36
2ahdde
md5
f3dcce659000dd92ab550503a30d4a22
sha1
d7a128159638f42fe55d6bb56d2036bf7fc2bb70
sha256
558259f2fac7d9bf1817a8f6d600fc71a7102ce73dde73bf1a2e0940bb02053c
sha512
2e93ae1ef1749544375e2d4af08b289c689248efc6230742d407c5214152ae3a5b369719fc4e10f7996a7dbaa81c473faabe8dc6a16f5dd8c4d00d1bb017c2f5
ripemd-160
97f0162a5e3d273bfd672887bfed7517568778a4
Diameter
277077988
Circumference
870466171.57224
Area
6.0296753860325E+16
Volume
1.1137935495033E+25
Surface area
2.411870154413E+17
Circumference
870466171.57224
Perimeter
554155976
Area
19193052858532036
Diagonal
195923724.23232
Surface area
115158317151192216
Volume
2.6589862348099E+24
Space diagonal
239956576.43748
Perimeter
415616982
Area
8.3108356758331E+15
Altitude
119978288.21874
Surface area
8.3108356758331E+15
Volume
3.1336453295262E+23
Height
65307908.077442