28018908 (number)

28018908 is an even 8-digits composite number following 28018907 and preceding 28018909. In scientific notation, it is written as 2.8018908 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 54 positive divisors. There are 9092160 positive integers (up to 28018908) that are relatively prime to 28018908.

Interesting facts

Basic properties

Name

Name twenty-eight million eighteen thousand nine hundred eight

Notation

Scientific notation 2.8018908 × 10^7
Engineering notation 2.8018908 × 10^6

Prime Factorization of 28018908

Prime Factorization 2 × 2 × 3 × 3 × 41 × 41 × 463

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 113898
Product of the distinct prime numbers

The prime factorization of 28018908 is 2 × 2 × 3 × 3 × 41 × 41 × 463. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 1, 73, 58, 780, 249, 8450, 8268, 49265, 7457, 423018, 785821, 8164743, 9323688, 32519361, 93773773, 582634288, 988436448, 7591034280, 6203258376

Basic calculations (n = 28018908)

Multiplication

n×y
n×2 56037816
n×3 84056724
n×4 112075632
n×5 140094540

Division

n÷y
n÷2 14009454
n÷3 9339636
n÷3 7004727
n÷5 5603781.6

Exponentiation

ny
n2 785059205512464
n3 2.1996501653807E+22
n4 6.1631795615986E+29
n5 1.7268556112391E+37

Nth Root

y√n
2√n 5293.2889586721
3√n 303.72723397935
4√n 72.754992671789
5√n 30.866702848785

Divisors of 28018908

1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 463, 492, 738, 926, 1389, 1476, 1681, 1852, 2778, 3362, 4167, 5043, 5556, 6724, 8334, 10086, 15129, 16668, 18983, 20172, 30258, 37966, 56949, 60516, 75932, 113898, 170847, 227796, 341694, 683388, 778303, 1556606, 2334909, 3113212, 4669818, 7004727, 9339636, 14009454, 28018908

54 divisors

τ Total Divisors 54
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28018907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.018518518518519
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 54
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28018908 can be divided by 54 positive divisors. The sum of these divisors (counting 28018908) is 1, the average is 0.018518518518519.

Base conversion 28018908

Base System Value
2 Binary 1101010111000100011011100
3 Ternary 1221201111201100
4 Quaternary 1222320203130
5 Quinary 24133101113
6 Senary 2440313100
8 Octal 152704334
10 Decimal 28018908
12 Duodecimal 9472790
16 Hexadecimal 1ab88dc
20 Vigesimal 8f2758
36 Base36 gojj0

Cryptographic Hash Functions

md5 8a5c55e88e774578bc6e8ea514b55021
sha1 d27f0842b7b4b6f5a68e6bbfd4e0f676ba156f16
sha256 07a61388fde91bf30914baacf1e286993aaf04bcc8db5aca6243444b79ad88a1
sha512 cd6c78f14feca659a3bdbf2d28348d8794ac82dfbd42360a0a0299014d232c132acb55064071dfcb6d5bed49067653a0f4859bc8b21a46363985ad6d6a3a4903
ripemd-160 8032d7bd6f42ff4911fae2ad89864e4a5930819b

28018908 as geometric shapes

Circle

Radius = n
Diameter 56037816
Circumference 176047991.06882
Area 2.466336232671E+15

Sphere

Radius = n
Volume 9.2138730667034E+22
Surface area 9.865344930684E+15
Circumference 176047991.06882

Square

Length = n
Perimeter 112075632
Area 785059205512464
Diagonal 39624719.696484

Cube

Length = n
Surface area 4710355233074784
Volume 2.1996501653807E+22
Space diagonal 48530172.228598

Equilateral Triangle

Length = n
Perimeter 84056724
Area 3.3994060772431E+14
Altitude 24265086.114299

Triangular Pyramid

Length = n
Surface area 3.3994060772431E+14
Volume 2.592312580298E+21
Height 13208239.898828