28688520 (number)

28688520 is an even 8-digits composite number following 28688519 and preceding 28688521. In scientific notation, it is written as 2.8688520 × 10^7. The sum of its digits is 39. It has a total of 9 prime factors and 256 positive divisors. There are 6021120 positive integers (up to 28688520) that are relatively prime to 28688520.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-eight thousand five hundred twenty

Notation

Scientific notation 2.8688520 × 10^7
Engineering notation 2.8688520 × 10^6

Prime Factorization of 28688520

Prime Factorization 2 × 2 × 2 × 5 × 3 × 17 × 49 × 7 × 41

Composite number
ω Distinct Factors 7
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 7172130
Product of the distinct prime numbers

The prime factorization of 28688520 is 2 × 2 × 2 × 5 × 3 × 17 × 49 × 7 × 41. Since it has a total of 9 prime factors.

Most popular turbo-numbers

2, 5, 1, 34, 689, 895, 3049, 1471, 23609, 19338, 750964, 716072, 2674217, 4526226, 75424546, 52434359, 396238, 20280838, 9393323104, 3342867636

Basic calculations (n = 28688520)

Multiplication

n×y
n×2 57377040
n×3 86065560
n×4 114754080
n×5 143442600

Division

n÷y
n÷2 14344260
n÷3 9562840
n÷3 7172130
n÷5 5737704

Exponentiation

ny
n2 823031179790400
n3 2.361154646204E+22
n4 6.7738032290718E+29
n5 1.9433038941329E+37

Nth Root

y√n
2√n 5356.1665396065
3√n 306.12776073867
4√n 73.185835648754
5√n 31.012846446411

Divisors of 28688520

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 41, 42, 49, 51, 56, 60, 68, 70, 82, 84, 85, 98, 102, 105, 119, 120, 123, 136, 140, 147, 164, 168, 170, 196, 204, 205, 210, 238, 245, 246, 255, 280, 287, 294, 328, 340, 343, 357, 392, 408, 410, 420, 476, 490, 492, 510, 574, 588, 595, 615, 680, 686, 697, 714, 735, 820, 833, 840, 861, 952, 980, 984, 1020, 1029, 1148, 1176, 1190, 1230, 1372, 1394, 1428, 1435, 1470, 1640, 1666, 1715, 1722, 1785, 1960, 2009, 2040, 2058, 2091, 2296, 2380, 2460, 2499, 2744, 2788, 2856, 2870, 2940, 3332, 3430, 3444, 3485, 3570, 4018, 4116, 4165, 4182, 4305, 4760, 4879, 4920, 4998, 5145, 5576, 5740, 5831, 5880, 6027, 6664, 6860, 6888, 6970, 7140, 8036, 8232, 8330, 8364, 8610, 9758, 9996, 10045, 10290, 10455, 11480, 11662, 12054, 12495, 13720, 13940, 14063, 14280, 14637, 16072, 16660, 16728, 17220, 17493, 19516, 19992, 20090, 20580, 20910, 23324, 24108, 24395, 24990, 27880, 28126, 29155, 29274, 30135, 33320, 34153, 34440, 34986, 39032, 40180, 41160, 41820, 42189, 46648, 48216, 48790, 49980, 56252, 58310, 58548, 60270, 68306, 69972, 70315, 73185, 80360, 83640, 84378, 87465, 97580, 99960, 102459, 112504, 116620, 117096, 120540, 136612, 139944, 140630, 146370, 168756, 170765, 174930, 195160, 204918, 210945, 233240, 239071, 241080, 273224, 281260, 292740, 337512, 341530, 349860, 409836, 421890, 478142, 512295, 562520, 585480, 683060, 699720, 717213, 819672, 843780, 956284, 1024590, 1195355, 1366120, 1434426, 1687560, 1912568, 2049180, 2390710, 2868852, 3586065, 4098360, 4781420, 5737704, 7172130, 9562840, 14344260, 28688520

256 divisors

τ Total Divisors 256
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28688519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.00390625
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 256
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28688520 can be divided by 256 positive divisors. The sum of these divisors (counting 28688520) is 1, the average is 0.00390625.

Base conversion 28688520

Base System Value
2 Binary 1101101011100000010001000
3 Ternary 1222222112020210
4 Quaternary 1231130002020
5 Quinary 24321013040
6 Senary 2502521120
8 Octal 155340210
10 Decimal 28688520
12 Duodecimal 97361a0
16 Hexadecimal 1b5c088
20 Vigesimal 8j6160
36 Base36 h2w7c

Cryptographic Hash Functions

md5 bba365c74d5f1888f557c93ca71289fa
sha1 df9105df3e736bc2a5bba2d2e9426c868c0c915d
sha256 2169cd93471bf7546ba43390e934be7ff10ac0e656f07d1d4cc315a78a905a29
sha512 89322ece614ec63db9ff6a4f347e4ead32e0860b270efd70253ac5a89f345af29d5464cad3c3e99ad6563f83e29a25ecb87c78d11077bfccbed54c3e722693f1
ripemd-160 328f9a01903b1bd5f5195306ffdef7a98c2ca9a9

28688520 as geometric shapes

Circle

Radius = n
Diameter 57377040
Circumference 180255287.34873
Area 2.5856287081049E+15

Sphere

Radius = n
Volume 9.8903814540054E+22
Surface area 1.0342514832419E+16
Circumference 180255287.34873

Square

Length = n
Perimeter 114754080
Area 823031179790400
Diagonal 40571694.068412

Cube

Length = n
Surface area 4938187078742400
Volume 2.361154646204E+22
Space diagonal 49689974.233956

Equilateral Triangle

Length = n
Perimeter 86065560
Area 3.5638295490258E+14
Altitude 24844987.116978

Triangular Pyramid

Length = n
Surface area 3.5638295490258E+14
Volume 2.7826474362683E+21
Height 13523898.022804