28587440 (number)

28587440 is an even 8-digits composite number following 28587439 and preceding 28587441. In scientific notation, it is written as 2.8587440 × 10^7. The sum of its digits is 38. It has a total of 8 prime factors and 80 positive divisors. There are 9649920 positive integers (up to 28587440) that are relatively prime to 28587440.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred eighty-seven thousand four hundred forty

Notation

Scientific notation 2.8587440 × 10^7
Engineering notation 2.8587440 × 10^6

Prime Factorization of 28587440

Prime Factorization 2 × 2 × 2 × 2 × 7 × 5 × 71 × 719

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3573430
Product of the distinct prime numbers

The prime factorization of 28587440 is 2 × 2 × 2 × 2 × 7 × 5 × 71 × 719. Since it has a total of 8 prime factors.

Most popular turbo-numbers

7, 10, 87, 74, 163, 376, 1289, 2843, 70811, 38320, 563943, 706077, 8213748, 2588315, 40678219, 34901564, 667036039, 285465471, 2781002437, 1783123862

Basic calculations (n = 28587440)

Multiplication

n×y
n×2 57174880
n×3 85762320
n×4 114349760
n×5 142937200

Division

n÷y
n÷2 14293720
n÷3 9529146.6666667
n÷3 7146860
n÷5 5717488

Exponentiation

ny
n2 817241725753600
n3 2.3362848800477E+22
n4 6.6788403831272E+29
n5 1.9093094872223E+37

Nth Root

y√n
2√n 5346.7223604747
3√n 305.76780482905
4√n 73.121285276414
5√n 30.990961693461

Divisors of 28587440

1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 719, 994, 1136, 1420, 1438, 1988, 2485, 2840, 2876, 3595, 3976, 4970, 5033, 5680, 5752, 7190, 7952, 9940, 10066, 11504, 14380, 19880, 20132, 25165, 28760, 39760, 40264, 50330, 51049, 57520, 80528, 100660, 102098, 201320, 204196, 255245, 357343, 402640, 408392, 510490, 714686, 816784, 1020980, 1429372, 1786715, 2041960, 2858744, 3573430, 4083920, 5717488, 7146860, 14293720, 28587440

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28587439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28587440 can be divided by 80 positive divisors. The sum of these divisors (counting 28587440) is 1, the average is 0.0125.

Base conversion 28587440

Base System Value
2 Binary 1101101000011010110110000
3 Ternary 1222210101121002
4 Quaternary 1231003112300
5 Quinary 24304244230
6 Senary 2500421132
8 Octal 155032660
10 Decimal 28587440
12 Duodecimal 96a77a8
16 Hexadecimal 1b435b0
20 Vigesimal 8id8c0
36 Base36 h0q7k

Cryptographic Hash Functions

md5 c7caf4b34e262ae2ee028dc3340388c2
sha1 e8e94a19b16eb7a34e5d9622403b797332a1d3a6
sha256 691f7d725ea09a6834da017a28e809091b0d637ae30080d89ecfe0e6e9b85dc3
sha512 a7bd27416991e51a3a72ecff712499a235eb4f0b412ffebabc2ded41d286d84ddf07bdca3029df3375bc18825245374ee32c59b7851267a6cb6d0e5bbfaf1ece
ripemd-160 d2459f045596c6167df1bd6ea638a74b9dd87b32

28587440 as geometric shapes

Circle

Radius = n
Diameter 57174880
Circumference 179620182.97788
Area 2.5674406018346E+15

Sphere

Radius = n
Volume 9.7862072211346E+22
Surface area 1.0269762407338E+16
Circumference 179620182.97788

Square

Length = n
Perimeter 114349760
Area 817241725753600
Diagonal 40428745.361527

Cube

Length = n
Surface area 4903450354521600
Volume 2.3362848800477E+22
Space diagonal 49514898.538327

Equilateral Triangle

Length = n
Perimeter 85762320
Area 3.5387604776763E+14
Altitude 24757449.269163

Triangular Pyramid

Length = n
Surface area 3.5387604776763E+14
Volume 2.7533381357756E+21
Height 13476248.453842