138045981 (number)

138045981 is an odd 9-digits composite number following 138045980 and preceding 138045982. In scientific notation, it is written as 1.38045981 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 91970640 positive integers (up to 138045981) that are relatively prime to 138045981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.38045981 × 10^8
Engineering notation 1.38045981 × 10^6

Prime Factorization of 138045981

Prime Factorization 3 × 1621 × 28387

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 138045981
Product of the distinct prime numbers

The prime factorization of 138045981 is 3 × 1621 × 28387. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 25, 65, 682, 295, 9014, 1127, 71993, 95252, 524077, 321080, 5801122, 7168318, 34753341, 57407931, 927365142, 982544052, 8642317282, 7149932667

Basic calculations (n = 138045981)

Multiplication

n×y
n×2 276091962
n×3 414137943
n×4 552183924
n×5 690229905

Division

n÷y
n÷2 69022990.5
n÷3 46015327
n÷3 34511495.25
n÷5 27609196.2

Exponentiation

ny
n2 19056692870252361
n3 2.6306998618897E+24
n4 3.6315754315113E+32
n5 5.0132439301847E+40

Nth Root

y√n
2√n 11749.297042802
3√n 516.82231347176
4√n 108.39417439513
5√n 42.462421154368

Divisors of 138045981

1, 3, 1621, 4863, 28387, 85161, 46015327, 138045981

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 -138045980
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 138045981 can be divided by 8 positive divisors. The sum of these divisors (counting 138045981) is 1, the average is 0.125.

Base conversion 138045981

Base System Value
2 Binary 1000001110100110101000011101
3 Ternary 100121202110111010
4 Quaternary 20032212220131
5 Quinary 240314432411
6 Senary 21410445433
8 Octal 1016465035
10 Decimal 138045981
12 Duodecimal 3a293879
16 Hexadecimal 83a6a1d
20 Vigesimal 232fej1
36 Base36 2a6syl

Cryptographic Hash Functions

md5 e8e0e9062d2a556a8deb85446aa3962a
sha1 35a2e7d9834489cb4554cd4406291c468b5e7670
sha256 262d262554fc49ad1954ea49a2b420acb09627f04012aa813de28952d601f96e
sha512 ed534634734f9327a3770df3d5d0db27ee521f8d67268b549b107cbfa31b343c2034f0c510f03a5a532015399f7d36c35ba8b4ec270ef34d46b8e16d10a69a1d
ripemd-160 3f06ca9ecfddb8b25f7cff94825442565b4edcbf

138045981 as geometric shapes

Circle

Radius = n
Diameter 276091962
Circumference 867368479.53439
Area 5.9868366322902E+16

Sphere

Radius = n
Volume 1.1019449813216E+25
Surface area 2.3947346529161E+17
Circumference 867368479.53439

Square

Length = n
Perimeter 552183924
Area 19056692870252361
Diagonal 195226498.5613

Cube

Length = n
Surface area 114340157221514166
Volume 2.6306998618897E+24
Space diagonal 239102652.87269

Equilateral Triangle

Length = n
Perimeter 414137943
Area 8.2517900688782E+15
Altitude 119551326.43634

Triangular Pyramid

Length = n
Surface area 8.2517900688782E+15
Volume 3.1003095193479E+23
Height 65075499.520433