28686980 (number)

28686980 is an even 8-digits composite number following 28686979 and preceding 28686981. In scientific notation, it is written as 2.8686980 × 10^7. The sum of its digits is 47. It has a total of 7 prime factors and 96 positive divisors. There are 9187200 positive integers (up to 28686980) that are relatively prime to 28686980.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8686980 × 10^7
Engineering notation 2.8686980 × 10^6

Prime Factorization of 28686980

Prime Factorization 2 × 2 × 5 × 23 × 7 × 59 × 151

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 14343490
Product of the distinct prime numbers

The prime factorization of 28686980 is 2 × 2 × 5 × 23 × 7 × 59 × 151. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 9, 17, 7, 950, 308, 1607, 846, 72736, 29261, 752770, 737309, 8284826, 8503699, 54937973, 26453246, 749044871, 574372294, 2631979326, 1494597929

Basic calculations (n = 28686980)

Multiplication

n×y
n×2 57373960
n×3 86060940
n×4 114747920
n×5 143434900

Division

n÷y
n÷2 14343490
n÷3 9562326.6666667
n÷3 7171745
n÷5 5737396

Exponentiation

ny
n2 822942821520400
n3 2.3607744262099E+22
n4 6.7723488749196E+29
n5 1.9427823672784E+37

Nth Root

y√n
2√n 5356.0227781442
3√n 306.12228299371
4√n 73.184853474911
5√n 31.012513485289

Divisors of 28686980

1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 59, 70, 92, 115, 118, 140, 151, 161, 230, 236, 295, 302, 322, 413, 460, 590, 604, 644, 755, 805, 826, 1057, 1180, 1357, 1510, 1610, 1652, 2065, 2114, 2714, 3020, 3220, 3473, 4130, 4228, 5285, 5428, 6785, 6946, 8260, 8909, 9499, 10570, 13570, 13892, 17365, 17818, 18998, 21140, 24311, 27140, 34730, 35636, 37996, 44545, 47495, 48622, 62363, 69460, 89090, 94990, 97244, 121555, 124726, 178180, 189980, 204907, 243110, 249452, 311815, 409814, 486220, 623630, 819628, 1024535, 1247260, 1434349, 2049070, 2868698, 4098140, 5737396, 7171745, 14343490, 28686980

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28686979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28686980 can be divided by 96 positive divisors. The sum of these divisors (counting 28686980) is 1, the average is 0.010416666666667.

Base conversion 28686980

Base System Value
2 Binary 1101101011011101010000100
3 Ternary 1222222110010202
4 Quaternary 1231123222010
5 Quinary 24320440410
6 Senary 2502510032
8 Octal 155335204
10 Decimal 28686980
12 Duodecimal 9735318
16 Hexadecimal 1b5ba84
20 Vigesimal 8j5h90
36 Base36 h2v0k

Cryptographic Hash Functions

md5 61647c5ac289a3d4d9695a8021f68087
sha1 f15001dfed59598a2e657a95a6cd72d5ff75e36e
sha256 ff4e886a4c51392c2db9b31c2488c69779bf6ae94c37e4896a236d3c4a25d794
sha512 3ce560a563aea4e65c16841e7a4c32db0280c22c55bbd312f0f8cedbddf5949f84fc1a1c41fe1310661e0078a0d03204fe61bfe4d0414d79f6a6d551301b739a
ripemd-160 82aa210cae19fe52d0dbd02a2c59f14cdb7c221d

28686980 as geometric shapes

Circle

Radius = n
Diameter 57373960
Circumference 180245611.24335
Area 2.5853511224129E+15

Sphere

Radius = n
Volume 9.8887887922184E+22
Surface area 1.0341404489652E+16
Circumference 180245611.24335

Square

Length = n
Perimeter 114747920
Area 822942821520400
Diagonal 40569516.179526

Cube

Length = n
Surface area 4937656929122400
Volume 2.3607744262099E+22
Space diagonal 49687306.875712

Equilateral Triangle

Length = n
Perimeter 86060940
Area 3.5634469464935E+14
Altitude 24843653.437856

Triangular Pyramid

Length = n
Surface area 3.5634469464935E+14
Volume 2.782199342708E+21
Height 13523172.059842