138439449 is an odd 9-digits composite number following 138439448
and preceding 138439450 . In scientific notation, it is written as 1.38439449 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 86863104 positive integers (up to 138439449) that are relatively prime to 138439449.
138439449 has 16 divisors, whose sum is 202684608
The reverse of 138439449 is 944934831
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred thirty-eight million four hundred thirty-nine thousand four hundred forty-nine
Scientific notation
1.38439449 × 10^8
Engineering notation
1.38439449 × 10^6
Prime Factorization
27 × 3 × 17 × 100537
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138439449
Product of the distinct prime numbers
The prime factorization of 138439449 is 27 × 3 × 17 × 100537.
Since it has a total of 4 prime factors.
1 , 10 , 77 , 53 , 892 , 561 , 3295 , 622 , 63754 , 84610 , 881196 , 836332 , 7106259 , 5976747 , 43899656 , 32802238 , 853183346 , 294193768 , 2809860073 , 3358548524
n×2
276878898
n×3
415318347
n×4
553757796
n×5
692197245
n÷2
69219724.5
n÷3
46146483
n÷3
34609862.25
n÷5
27687889.8
n2
19165481039423601
n3
2.6532586349178E+24
n4
3.6731566347251E+32
n5
5.0850978060203E+40
2 √n
11766.029449224
3 √n
517.31287500395
4 √n
108.47133007954
5 √n
42.486599457654
1 , 3 , 17 , 27 , 51 , 81 , 459 , 1377 , 100537 , 301611 , 1709129 , 2714499 , 5127387 , 8143497 , 46146483 , 138439449
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
-138439448
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 138439449 can be divided by 16 positive divisors.
The sum of these divisors (counting 138439449) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010000000110101100011001
3
Ternary
100122111110020000
4
Quaternary
20100012230121
5
Quinary
240420030244
6
Senary
21423123213
8
Octal
1020065431
10
Decimal
138439449
12
Duodecimal
3a443509
16
Hexadecimal
8406b19
20
Vigesimal
2354ic9
36
Base36
2af8k9
md5
4da830aa8b5e727f78df6b386fa32b56
sha1
07afbc0eb778daced94f628894548c22d119a1e9
sha256
116d136dd2d4660d474800e1c7f80b4073b34eeb52a975d9e8f69c3fea23d73f
sha512
0a0d8bdb32999b838bf2d08bd01683ec2951d8a4464df04441d7b178f08d93decee86c688329fa7722088bbd31cdd466a0ff80dfdfaa4f04e7d91d97fac115eb
ripemd-160
f95b51435be8b28a7bf589c9547fe04b11db249b
Diameter
276878898
Circumference
869840711.89084
Area
6.0210134435968E+16
Volume
1.1113943780708E+25
Surface area
2.4084053774387E+17
Circumference
869840711.89084
Perimeter
553757796
Area
19165481039423601
Diagonal
195782946.34326
Surface area
114992886236541606
Volume
2.6532586349178E+24
Space diagonal
239784159.43984
Perimeter
415318347
Area
8.2988967279449E+15
Altitude
119892079.71992
Surface area
8.2988967279449E+15
Volume
3.1268952883202E+23
Height
65260982.114419