28542820 (number)

28542820 is an even 8-digits composite number following 28542819 and preceding 28542821. In scientific notation, it is written as 2.8542820 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 11417120 positive integers (up to 28542820) that are relatively prime to 28542820.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8542820 × 10^7
Engineering notation 2.8542820 × 10^6

Prime Factorization of 28542820

Prime Factorization 2 × 2 × 5 × 1427141

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14271410
Product of the distinct prime numbers

The prime factorization of 28542820 is 2 × 2 × 5 × 1427141. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 5, 18, 4, 891, 103, 5230, 5, 56804, 4131, 938461, 306114, 7528802, 8445274, 62040896, 38011191, 154271507, 811362414, 1849158334, 5716576998

Basic calculations (n = 28542820)

Multiplication

n×y
n×2 57085640
n×3 85628460
n×4 114171280
n×5 142714100

Division

n÷y
n÷2 14271410
n÷3 9514273.3333333
n÷3 7135705
n÷5 5708564

Exponentiation

ny
n2 814692573552400
n3 2.3253623482243E+22
n4 6.6372398940143E+29
n5 1.8944554359167E+37

Nth Root

y√n
2√n 5342.5480812062
3√n 305.60863861347
4√n 73.092736172661
5√n 30.981281352344

Divisors of 28542820

1, 2, 4, 5, 10, 20, 1427141, 2854282, 5708564, 7135705, 14271410, 28542820

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28542819
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28542820 can be divided by 12 positive divisors. The sum of these divisors (counting 28542820) is 1, the average is 0.083333333333333.

Base conversion 28542820

Base System Value
2 Binary 1101100111000011101100100
3 Ternary 1222201010101111
4 Quaternary 1230320131210
5 Quinary 24301332240
6 Senary 2455434404
8 Octal 154703544
10 Decimal 28542820
12 Duodecimal 9685a04
16 Hexadecimal 1b38764
20 Vigesimal 8i7h10
36 Base36 gzrs4

Cryptographic Hash Functions

md5 e2268bf01e97d3da5e107eca8d3cf704
sha1 40b43e79d5e57e95217a8ae149d6446e0ac645e3
sha256 e157916a88ead7b7d5733f16f78a5de77527a87739982f2aeb512058b2e00e0a
sha512 81c35338bc3fb53357d7d9607ab55ea276132ac90dbc64d010e5a00bda70a7c93adb47ed6a32ef20aeb39ff02d91658e18041c9271ce29e99494e6ca3a40a34e
ripemd-160 57d72852094d8381abcba0af4250307ba2fd82a2

28542820 as geometric shapes

Circle

Radius = n
Diameter 57085640
Circumference 179339827.24947
Area 2.5594322040064E+15

Sphere

Radius = n
Volume 9.740455026821E+22
Surface area 1.0237728816026E+16
Circumference 179339827.24947

Square

Length = n
Perimeter 114171280
Area 814692573552400
Diagonal 40365643.152374

Cube

Length = n
Surface area 4888155441314400
Volume 2.3253623482243E+22
Space diagonal 49437614.431293

Equilateral Triangle

Length = n
Perimeter 85628460
Area 3.5277223248545E+14
Altitude 24718807.215647

Triangular Pyramid

Length = n
Surface area 3.5277223248545E+14
Volume 2.7404658085755E+21
Height 13455214.384125