28870139 (number)

28870139 is an odd 8-digits composite number following 28870138 and preceding 28870140. In scientific notation, it is written as 2.8870139 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 27019656 positive integers (up to 28870139) that are relatively prime to 28870139.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8870139 × 10^7
Engineering notation 2.8870139 × 10^6

Prime Factorization of 28870139

Prime Factorization 19 × 83 × 18307

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28870139
Product of the distinct prime numbers

The prime factorization of 28870139 is 19 × 83 × 18307. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 11, 71, 429, 885, 4670, 5366, 72696, 2840, 95584, 532804, 8026420, 5414876, 27489353, 24228816, 436104570, 953640342, 6913117008, 9728631922

Basic calculations (n = 28870139)

Multiplication

n×y
n×2 57740278
n×3 86610417
n×4 115480556
n×5 144350695

Division

n÷y
n÷2 14435069.5
n÷3 9623379.6666667
n÷3 7217534.75
n÷5 5774027.8

Exponentiation

ny
n2 833484925879321
n3 2.4062825664541E+22
n4 6.9469712166806E+29
n5 2.0056002465457E+37

Nth Root

y√n
2√n 5373.0939876388
3√n 306.77240538228
4√n 73.301391444084
5√n 31.052014119949

Divisors of 28870139

1, 19, 83, 1577, 18307, 347833, 1519481, 28870139

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 -28870138
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 28870139 can be divided by 8 positive divisors. The sum of these divisors (counting 28870139) is 1, the average is 0.125.

Base conversion 28870139

Base System Value
2 Binary 1101110001000010111111011
3 Ternary 2000022202101102
4 Quaternary 1232020113323
5 Quinary 24342321024
6 Senary 2510442015
8 Octal 156102773
10 Decimal 28870139
12 Duodecimal 980330b
16 Hexadecimal 1b885fb
20 Vigesimal 908f6j
36 Base36 h6scb

Cryptographic Hash Functions

md5 fca5840c9b86e8b384340952ce6c4c89
sha1 54dd11e67320f22dfb7f1823ed8d487bac20a880
sha256 300de1140a00387bc60c021841ed67c169e7b6d579b184d6a555c8cfcd784e0e
sha512 d5dc28d00911d0d6c7aa89a1a7f096ca99a76bc63a46f002370f8e91fcc462dec0e0b0e422df280ba6a9b4978dc127ac8b61c5ac743fd2c6962b91e856d70a19
ripemd-160 4549130f5373346e0929a8d1cf8008900862c723

28870139 as geometric shapes

Circle

Radius = n
Diameter 57740278
Circumference 181396433.18103
Area 2.6184701200203E+15

Sphere

Radius = n
Volume 1.0079412844311E+23
Surface area 1.0473880480081E+16
Circumference 181396433.18103

Square

Length = n
Perimeter 115480556
Area 833484925879321
Diagonal 40828542.121396

Cube

Length = n
Surface area 5000909555275926
Volume 2.4062825664541E+22
Space diagonal 50004547.569576

Equilateral Triangle

Length = n
Perimeter 86610417
Area 3.6090955974144E+14
Altitude 25002273.784788

Triangular Pyramid

Length = n
Surface area 3.6090955974144E+14
Volume 2.8358312003177E+21
Height 13609514.040465