18870139 (number)

18870139 is an odd 8-digits composite number following 18870138 and preceding 18870140. In scientific notation, it is written as 1.8870139 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 18847840 positive integers (up to 18870139) that are relatively prime to 18870139.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred seventy thousand one hundred thirty-nine

Notation

Scientific notation 1.8870139 × 10^7
Engineering notation 1.8870139 × 10^6

Prime Factorization of 18870139

Prime Factorization 881 × 21419

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18870139
Product of the distinct prime numbers

The prime factorization of 18870139 is 881 × 21419. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18870139)

Multiplication

n×y
n×2 37740278
n×3 56610417
n×4 75480556
n×5 94350695

Division

n÷y
n÷2 9435069.5
n÷3 6290046.3333333
n÷3 4717534.75
n÷5 3774027.8

Exponentiation

ny
n2 356082145879321
n3 6.7193195881611E+21
n4 1.2679449461402E+29
n5 2.3926297378013E+36

Nth Root

y√n
2√n 4343.9773249869
3√n 266.23084244299
4√n 65.908856195407
5√n 28.520361098437

Divisors of 18870139

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 -18870138
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 18870139 can be divided by 4 positive divisors. The sum of these divisors (counting 18870139) is 1, the average is 0.25.

Base conversion 18870139

Base System Value
2 Binary 1000111111110111101111011
3 Ternary 1022111200222001
4 Quaternary 1013332331323
5 Quinary 14312321024
6 Senary 1512241431
8 Octal 107767573
10 Decimal 18870139
12 Duodecimal 63a0277
16 Hexadecimal 11fef7b
20 Vigesimal 5hif6j
36 Base36 b8gaj

Cryptographic Hash Functions

md5 c37bf510868aa51824e6af7b98a6383c
sha1 af3912f0f59fbe522a4508c5695042d5467df5fc
sha256 d4e24f33d54aa2142877d8581f0117fa079c8dfa4073f7d698de8e22e088f416
sha512 3498f9c0c8f469894291efadc36aff5ad5f861f4ed7646fbcb5a1bab8a44f70d3f05f20c931c137e22795fded7de1e931910c0512cc63a1806fdf0c01e1486ec
ripemd-160 497122179e42d62927bd76672dcfb590a8225a1a

18870139 as geometric shapes

Circle

Radius = n
Diameter 37740278
Circumference 118564580.10924
Area 1.118665053569E+15

Sphere

Radius = n
Volume 2.8145820073718E+22
Surface area 4.4746602142759E+15
Circumference 118564580.10924

Square

Length = n
Perimeter 75480556
Area 356082145879321
Diagonal 26686406.497665

Cube

Length = n
Surface area 2136492875275926
Volume 6.7193195881611E+21
Space diagonal 32684039.493887

Equilateral Triangle

Length = n
Perimeter 56610417
Area 1.5418809208278E+14
Altitude 16342019.746943

Triangular Pyramid

Length = n
Surface area 1.5418809208278E+14
Volume 7.9187940762471E+20
Height 8895468.8325552