138439449 (number)

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.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million four hundred thirty-nine thousand four hundred forty-nine

Notation

Scientific notation 1.38439449 × 10^8
Engineering notation 1.38439449 × 10^6

Prime Factorization of 138439449

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.

Most popular turbo-numbers

Basic calculations (n = 138439449)

Multiplication

n×y
n×2 276878898
n×3 415318347
n×4 553757796
n×5 692197245

Division

n÷y
n÷2 69219724.5
n÷3 46146483
n÷3 34609862.25
n÷5 27687889.8

Exponentiation

ny
n2 19165481039423601
n3 2.6532586349178E+24
n4 3.6731566347251E+32
n5 5.0850978060203E+40

Nth Root

y√n
2√n 11766.029449224
3√n 517.31287500395
4√n 108.47133007954
5√n 42.486599457654

Divisors of 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 conversion 138439449

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

Cryptographic Hash Functions

md5 4da830aa8b5e727f78df6b386fa32b56
sha1 07afbc0eb778daced94f628894548c22d119a1e9
sha256 116d136dd2d4660d474800e1c7f80b4073b34eeb52a975d9e8f69c3fea23d73f
sha512 0a0d8bdb32999b838bf2d08bd01683ec2951d8a4464df04441d7b178f08d93decee86c688329fa7722088bbd31cdd466a0ff80dfdfaa4f04e7d91d97fac115eb
ripemd-160 f95b51435be8b28a7bf589c9547fe04b11db249b

138439449 as geometric shapes

Circle

Radius = n
Diameter 276878898
Circumference 869840711.89084
Area 6.0210134435968E+16

Sphere

Radius = n
Volume 1.1113943780708E+25
Surface area 2.4084053774387E+17
Circumference 869840711.89084

Square

Length = n
Perimeter 553757796
Area 19165481039423601
Diagonal 195782946.34326

Cube

Length = n
Surface area 114992886236541606
Volume 2.6532586349178E+24
Space diagonal 239784159.43984

Equilateral Triangle

Length = n
Perimeter 415318347
Area 8.2988967279449E+15
Altitude 119892079.71992

Triangular Pyramid

Length = n
Surface area 8.2988967279449E+15
Volume 3.1268952883202E+23
Height 65260982.114419