138155287 (number)

138155287 is an odd 9-digits composite number following 138155286 and preceding 138155288. In scientific notation, it is written as 1.38155287 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 138015720 positive integers (up to 138155287) that are relatively prime to 138155287.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million one hundred fifty-five thousand two hundred eighty-seven

Notation

Scientific notation 1.38155287 × 10^8
Engineering notation 1.38155287 × 10^6

Prime Factorization of 138155287

Prime Factorization 997 × 138571

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 138155287
Product of the distinct prime numbers

The prime factorization of 138155287 is 997 × 138571. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 34, 63, 633, 158, 7270, 3498, 56358, 23348, 50831, 739993, 6445212, 7771772, 60020295, 78873087, 5319374, 881384185, 5567723229, 9633588291

Basic calculations (n = 138155287)

Multiplication

n×y
n×2 276310574
n×3 414465861
n×4 552621148
n×5 690776435

Division

n÷y
n÷2 69077643.5
n÷3 46051762.333333
n÷3 34538821.75
n÷5 27631057.4

Exponentiation

ny
n2 19086883326052369
n3 2.6369538438463E+24
n4 3.6430911510234E+32
n5 5.0331230353679E+40

Nth Root

y√n
2√n 11753.947719809
3√n 516.95868560834
4√n 108.41562488778
5√n 42.469143447957

Divisors of 138155287

1, 997, 138571, 138155287

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 -138155286
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 138155287 can be divided by 4 positive divisors. The sum of these divisors (counting 138155287) is 1, the average is 0.25.

Base conversion 138155287

Base System Value
2 Binary 1000001111000001010100010111
3 Ternary 100121222000102111
4 Quaternary 20033001110113
5 Quinary 240331432122
6 Senary 21413051451
8 Octal 1017012427
10 Decimal 138155287
12 Duodecimal 3a326b87
16 Hexadecimal 83c1517
20 Vigesimal 2339847
36 Base36 2a95av

Cryptographic Hash Functions

md5 891bc1458aa68d42906eea85320191cc
sha1 82e6970f63ec2d42c970d6ba85219750cf1816ff
sha256 b43007cdeaa5d896baff3314980180542180450925605813f308d4891725d483
sha512 eacae21b5d850bc86863327cf60b9d62eb47388d3830631595174589d99ada5a922dfbcc34572f37797cde739933beb7495783c35f28b13b6675549eed9cddc5
ripemd-160 303e5a32e811a0a971458a5be91f019caddf55d2

138155287 as geometric shapes

Circle

Radius = n
Diameter 276310574
Circumference 868055269.38758
Area 5.9963212437052E+16

Sphere

Radius = n
Volume 1.1045646431577E+25
Surface area 2.3985284974821E+17
Circumference 868055269.38758

Square

Length = n
Perimeter 552621148
Area 19086883326052369
Diagonal 195381080.58895

Cube

Length = n
Surface area 114521299956314214
Volume 2.6369538438463E+24
Space diagonal 239291976.41826

Equilateral Triangle

Length = n
Perimeter 414465861
Area 8.2648629197155E+15
Altitude 119645988.20913

Triangular Pyramid

Length = n
Surface area 8.2648629197155E+15
Volume 3.1076799077661E+23
Height 65127026.862982