28987130 (number)

28987130 is an even 8-digits composite number following 28987129 and preceding 28987131. In scientific notation, it is written as 2.8987130 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 11090640 positive integers (up to 28987130) that are relatively prime to 28987130.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred eighty-seven thousand one hundred thirty

Notation

Scientific notation 2.8987130 × 10^7
Engineering notation 2.8987130 × 10^6

Prime Factorization of 28987130

Prime Factorization 2 × 5 × 23 × 126031

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28987130
Product of the distinct prime numbers

The prime factorization of 28987130 is 2 × 5 × 23 × 126031. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 40, 7, 327, 152, 3402, 5248, 57993, 58312, 822808, 620698, 2094830, 6357682, 36779273, 58810966, 330397443, 93948518, 5906980292, 1661331118

Basic calculations (n = 28987130)

Multiplication

n×y
n×2 57974260
n×3 86961390
n×4 115948520
n×5 144935650

Division

n÷y
n÷2 14493565
n÷3 9662376.6666667
n÷3 7246782.5
n÷5 5797426

Exponentiation

ny
n2 840253705636900
n3 2.4356543398279E+22
n4 7.0602628983654E+29
n5 2.046567584691E+37

Nth Root

y√n
2√n 5383.9697250263
3√n 307.18622674297
4√n 73.375539010125
5√n 31.077139956341

Divisors of 28987130

1, 2, 5, 10, 23, 46, 115, 230, 126031, 252062, 630155, 1260310, 2898713, 5797426, 14493565, 28987130

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28987129
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28987130 can be divided by 16 positive divisors. The sum of these divisors (counting 28987130) is 1, the average is 0.0625.

Base conversion 28987130

Base System Value
2 Binary 1101110100100111011111010
3 Ternary 2000112200212102
4 Quaternary 1232210323322
5 Quinary 24410042010
6 Senary 2513143402
8 Octal 156447372
10 Decimal 28987130
12 Duodecimal 985ab62
16 Hexadecimal 1ba4efa
20 Vigesimal 9137ga
36 Base36 h9am2

Cryptographic Hash Functions

md5 3de54407366b0d9626ccaa83f12ba5ae
sha1 4912ead3522226cad4c14a377a70500ff60aa150
sha256 99a3c95fcd4855fbe776848ec45d0aedc137ec4817dcb58c3bd33b0b54f073d0
sha512 00cf8e281caec30590a1ae53e5f942d59c392afef304bdf0cd89fa40e8f0a8451bee9da2d13a666ad1558275e4e478135f6fdbe2cf57a5ef5debc37259f0cf50
ripemd-160 4d20ebb873ff8157a96c3af8868d2d1da8b92ffb

28987130 as geometric shapes

Circle

Radius = n
Diameter 57974260
Circumference 182131509.3133
Area 2.6397348687805E+15

Sphere

Radius = n
Volume 1.0202445040916E+23
Surface area 1.0558939475122E+16
Circumference 182131509.3133

Square

Length = n
Perimeter 115948520
Area 840253705636900
Diagonal 40993992.380272

Cube

Length = n
Surface area 5041522233821400
Volume 2.4356543398279E+22
Space diagonal 50207181.925604

Equilateral Triangle

Length = n
Perimeter 86961390
Area 3.6384052735278E+14
Altitude 25103590.962802

Triangular Pyramid

Length = n
Surface area 3.6384052735278E+14
Volume 2.8704461671979E+21
Height 13664664.126757