138156905 (number)

138156905 is an odd 9-digits composite number following 138156904 and preceding 138156906. In scientific notation, it is written as 1.38156905 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 110525520 positive integers (up to 138156905) that are relatively prime to 138156905.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million one hundred fifty-six thousand nine hundred five

Notation

Scientific notation 1.38156905 × 10^8
Engineering notation 1.38156905 × 10^6

Prime Factorization of 138156905

Prime Factorization 5 × 27631381

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 138156905
Product of the distinct prime numbers

The prime factorization of 138156905 is 5 × 27631381. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138156905)

Multiplication

n×y
n×2 276313810
n×3 414470715
n×4 552627620
n×5 690784525

Division

n÷y
n÷2 69078452.5
n÷3 46052301.666667
n÷3 34539226.25
n÷5 27631381

Exponentiation

ny
n2 19087330399179025
n3 2.637046492663E+24
n4 3.6432618176742E+32
n5 5.0334177683455E+40

Nth Root

y√n
2√n 11754.016547547
3√n 516.96070371397
4√n 108.41594231268
5√n 42.469242922619

Divisors of 138156905

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138156904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138156905 can be divided by 4 positive divisors. The sum of these divisors (counting 138156905) is 1, the average is 0.25.

Base conversion 138156905

Base System Value
2 Binary 1000001111000001101101101001
3 Ternary 100121222002122102
4 Quaternary 20033001231221
5 Quinary 240332010110
6 Senary 21413103145
8 Octal 1017015551
10 Decimal 138156905
12 Duodecimal 3a327ab5
16 Hexadecimal 83c1b69
20 Vigesimal 2339c55
36 Base36 2a96jt

Cryptographic Hash Functions

md5 2e2230017bef34110c492dcbc60b7485
sha1 572b989702919315b3abc67a7e9ed7d20c6962b9
sha256 8da746d0c719c751bb2e221e8996bad60a0b5e1954f48ffffdc6c6ed0f0abb0b
sha512 4d29ecb915c9b3c9f743a5e80d4decd46ff6d627b92a0b7830e52b6f6f7c4b8b107fd4277d926ede9284c120b3a14e843250760e0e4d4b92a9478d4a15e2be8f
ripemd-160 0342660b08007df0586dd836d2d1860513923cf5

138156905 as geometric shapes

Circle

Radius = n
Diameter 276313810
Circumference 868065435.58141
Area 5.9964616958702E+16

Sphere

Radius = n
Volume 1.1046034518033E+25
Surface area 2.3985846783481E+17
Circumference 868065435.58141

Square

Length = n
Perimeter 552627620
Area 19087330399179025
Diagonal 195383368.78649

Cube

Length = n
Surface area 114523982395074150
Volume 2.637046492663E+24
Space diagonal 239294778.87647

Equilateral Triangle

Length = n
Perimeter 414470715
Area 8.265056508058E+15
Altitude 119647389.43823

Triangular Pyramid

Length = n
Surface area 8.265056508058E+15
Volume 3.1077890954437E+23
Height 65127789.595497