28987579 (number)

28987579 is an odd 8-digits composite number following 28987578 and preceding 28987580. In scientific notation, it is written as 2.8987579 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 28370776 positive integers (up to 28987579) that are relatively prime to 28987579.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred eighty-seven thousand five hundred seventy-nine

Notation

Scientific notation 2.8987579 × 10^7
Engineering notation 2.8987579 × 10^6

Prime Factorization of 28987579

Prime Factorization 47 × 616757

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28987579
Product of the distinct prime numbers

The prime factorization of 28987579 is 47 × 616757. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 7, 8, 40, 648, 287, 9076, 2410, 59271, 80557, 329337, 59992, 1348383, 4455369, 45590724, 91191647, 578355701, 250482291, 573056624, 3277348077

Basic calculations (n = 28987579)

Multiplication

n×y
n×2 57975158
n×3 86962737
n×4 115950316
n×5 144937895

Division

n÷y
n÷2 14493789.5
n÷3 9662526.3333333
n÷3 7246894.75
n÷5 5797515.8

Exponentiation

ny
n2 840279736281241
n3 2.4357675237552E+22
n4 7.0607003520487E+29
n5 2.0467260925034E+37

Nth Root

y√n
2√n 5384.0114227219
3√n 307.18781280206
4√n 73.375823148513
5√n 31.077236230441

Divisors of 28987579

1, 47, 616757, 28987579

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 -28987578
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 28987579 can be divided by 4 positive divisors. The sum of these divisors (counting 28987579) is 1, the average is 0.25.

Base conversion 28987579

Base System Value
2 Binary 1101110100101000010111011
3 Ternary 2000112201111001
4 Quaternary 1232211002323
5 Quinary 24410100304
6 Senary 2513145431
8 Octal 156450273
10 Decimal 28987579
12 Duodecimal 985b277
16 Hexadecimal 1ba50bb
20 Vigesimal 9138ij
36 Base36 h9ayj

Cryptographic Hash Functions

md5 1eb3e23a27599315b610e6bf3a949e4b
sha1 d60fcd8293d20aa3f44805e5754f3653330f9ca1
sha256 710c4232c11155d2b1f88771f0bd25b30b9ea8db8395d66fc87df2e391cf7084
sha512 b69c251aa675d06a76213482ad7e0dc4ca06424a0c4aef766fab4a2bf22275328532f92566236dc9eda02426c000c96352983c3fb006fde148fa4211e49939e9
ripemd-160 4bd942163c915b60f82e8e5eea24300ec46a1125

28987579 as geometric shapes

Circle

Radius = n
Diameter 57975158
Circumference 182134330.46351
Area 2.6398166464615E+15

Sphere

Radius = n
Volume 1.0202919144642E+23
Surface area 1.0559266585846E+16
Circumference 182134330.46351

Square

Length = n
Perimeter 115950316
Area 840279736281241
Diagonal 40994627.362162

Cube

Length = n
Surface area 5041678417687446
Volume 2.4357675237552E+22
Space diagonal 50207959.616417

Equilateral Triangle

Length = n
Perimeter 86962737
Area 3.6385179895242E+14
Altitude 25103979.808208

Triangular Pyramid

Length = n
Surface area 3.6385179895242E+14
Volume 2.8705795557354E+21
Height 13664875.787387