138045987 (number)

138045987 is an odd 9-digits composite number following 138045986 and preceding 138045988. In scientific notation, it is written as 1.38045987 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 91912320 positive integers (up to 138045987) that are relatively prime to 138045987.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million forty-five thousand nine hundred eighty-seven

Notation

Scientific notation 1.38045987 × 10^8
Engineering notation 1.38045987 × 10^6

Prime Factorization of 138045987

Prime Factorization 3 × 3 × 811 × 18913

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 46015329
Product of the distinct prime numbers

The prime factorization of 138045987 is 3 × 3 × 811 × 18913. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 51, 71, 456, 53, 7503, 6330, 74067, 42003, 170479, 686512, 2903564, 1975206, 14265711, 56499262, 661968589, 450364845, 327242958, 2577531736

Basic calculations (n = 138045987)

Multiplication

n×y
n×2 276091974
n×3 414137961
n×4 552183948
n×5 690229935

Division

n÷y
n÷2 69022993.5
n÷3 46015329
n÷3 34511496.75
n÷5 27609197.4

Exponentiation

ny
n2 19056694526804169
n3 2.6307002049102E+24
n4 3.6315760628793E+32
n5 5.0132450196574E+40

Nth Root

y√n
2√n 11749.297298137
3√n 516.82232095944
4√n 108.39417557294
5√n 42.462421523484

Divisors of 138045987

1, 3, 9, 811, 2433, 7299, 18913, 56739, 170217, 15338443, 46015329, 138045987

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138045986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138045987 can be divided by 12 positive divisors. The sum of these divisors (counting 138045987) is 1, the average is 0.083333333333333.

Base conversion 138045987

Base System Value
2 Binary 1000001110100110101000100011
3 Ternary 100121202110111100
4 Quaternary 20032212220203
5 Quinary 240314432422
6 Senary 21410445443
8 Octal 1016465043
10 Decimal 138045987
12 Duodecimal 3a293883
16 Hexadecimal 83a6a23
20 Vigesimal 232fej7
36 Base36 2a6syr

Cryptographic Hash Functions

md5 9f792e20c444fe6db495141280223e27
sha1 385db1a7735e242bb4993ce56271c39392920240
sha256 0498d06a765a5ba64451e3d43661ff7b7ae6db04dd8ea9f43652e7e3b278f25d
sha512 96442277b356655516ac802fc5560b8487a061ca8b309464ec0a2dd6da2ae97b2ca20bed28ec49ba0265503d27ecaaf572a79e3380dbafd0621a531b3ab29c50
ripemd-160 e9aef94aded535afaced3706e603ada6b26c35d6

138045987 as geometric shapes

Circle

Radius = n
Diameter 276091974
Circumference 867368517.2335
Area 5.9868371527113E+16

Sphere

Radius = n
Volume 1.1019451250057E+25
Surface area 2.3947348610845E+17
Circumference 867368517.2335

Square

Length = n
Perimeter 552183948
Area 19056694526804169
Diagonal 195226507.04658

Cube

Length = n
Surface area 114340167160825014
Volume 2.6307002049102E+24
Space diagonal 239102663.26499

Equilateral Triangle

Length = n
Perimeter 414137961
Area 8.2517907861861E+15
Altitude 119551331.6325

Triangular Pyramid

Length = n
Surface area 8.2517907861861E+15
Volume 3.1003099236014E+23
Height 65075502.34886