28542890 (number)

28542890 is an even 8-digits composite number following 28542889 and preceding 28542891. In scientific notation, it is written as 2.8542890 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 11417152 positive integers (up to 28542890) that are relatively prime to 28542890.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred forty-two thousand eight hundred ninety

Notation

Scientific notation 2.8542890 × 10^7
Engineering notation 2.8542890 × 10^6

Prime Factorization of 28542890

Prime Factorization 2 × 5 × 2854289

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28542890
Product of the distinct prime numbers

The prime factorization of 28542890 is 2 × 5 × 2854289. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28542890)

Multiplication

n×y
n×2 57085780
n×3 85628670
n×4 114171560
n×5 142714450

Division

n÷y
n÷2 14271445
n÷3 9514296.6666667
n÷3 7135722.5
n÷5 5708578

Exponentiation

ny
n2 814696569552100
n3 2.3253794568103E+22
n4 6.6373050043996E+29
n5 1.8944786663703E+37

Nth Root

y√n
2√n 5342.5546323833
3√n 305.60888844381
4√n 73.092780986793
5√n 30.981296548373

Divisors of 28542890

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28542889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28542890 can be divided by 8 positive divisors. The sum of these divisors (counting 28542890) is 1, the average is 0.125.

Base conversion 28542890

Base System Value
2 Binary 1101100111000011110101010
3 Ternary 1222201010111002
4 Quaternary 1230320132222
5 Quinary 24301333030
6 Senary 2455435002
8 Octal 154703652
10 Decimal 28542890
12 Duodecimal 9685a62
16 Hexadecimal 1b387aa
20 Vigesimal 8i7h4a
36 Base36 gzru2

Cryptographic Hash Functions

md5 a34db013d03e718934b2f391b3cae0ee
sha1 456303e8ee64ecc665ac4e723aecf2f57314ab92
sha256 068ed662f1f9913cf3635556167e6e76222bf130bae2b8596798f96ad049f395
sha512 bf1dfd08453fc4cc0239e7d3c44f0342920fee58a9bafa07d9c97b5b183cc078c88df59a2086fcd5189baee7856ccb1fc849f68bd8441c3ddc084dc1e150c50a
ripemd-160 e06c604c689e78e448ea37f1a82b463c387ada25

28542890 as geometric shapes

Circle

Radius = n
Diameter 57085780
Circumference 179340267.07244
Area 2.5594447578097E+15

Sphere

Radius = n
Volume 9.7405266910985E+22
Surface area 1.0237779031239E+16
Circumference 179340267.07244

Square

Length = n
Perimeter 114171560
Area 814696569552100
Diagonal 40365742.147323

Cube

Length = n
Surface area 4888179417312600
Volume 2.3253794568103E+22
Space diagonal 49437735.67485

Equilateral Triangle

Length = n
Perimeter 85628670
Area 3.5277396280408E+14
Altitude 24718867.837425

Triangular Pyramid

Length = n
Surface area 3.5277396280408E+14
Volume 2.7404859712374E+21
Height 13455247.382441