285428221 (number)

285428221 is an odd 9-digits composite number following 285428220 and preceding 285428222. In scientific notation, it is written as 2.85428221 × 10^8. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 263472192 positive integers (up to 285428221) that are relatively prime to 285428221.

Interesting facts

Basic properties

Name

Name two hundred eighty-five million four hundred twenty-eight thousand two hundred twenty-one

Notation

Scientific notation 2.85428221 × 10^8
Engineering notation 2.85428221 × 10^6

Prime Factorization of 285428221

Prime Factorization 13 × 21956017

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 285428221
Product of the distinct prime numbers

The prime factorization of 285428221 is 13 × 21956017. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 3, 95, 36, 867, 653, 2055, 1, 58412, 65139, 118471, 628476, 9923518, 2583656, 24129900, 21340363, 464632203, 683615014, 6678464402, 126472284

Basic calculations (n = 285428221)

Multiplication

n×y
n×2 570856442
n×3 856284663
n×4 1141712884
n×5 1427141105

Division

n÷y
n÷2 142714110.5
n÷3 95142740.333333
n÷3 71357055.25
n÷5 57085644.2

Exponentiation

ny
n2 81469269343224841
n3 2.3253628614807E+25
n4 6.6372418473189E+33
n5 1.894456132827E+42

Nth Root

y√n
2√n 16894.621067073
3√n 658.41386874959
4√n 129.97931015001
5√n 49.102022631576

Divisors of 285428221

1, 13, 21956017, 285428221

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -285428220
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 285428221 can be divided by 4 positive divisors. The sum of these divisors (counting 285428221) is 1, the average is 0.25.

Base conversion 285428221

Base System Value
2 Binary 10001000000110100100111111101
3 Ternary 201220002020220121
4 Quaternary 101000310213331
5 Quinary 1041032200341
6 Senary 44153414541
8 Octal 2100644775
10 Decimal 285428221
12 Duodecimal 7b70a451
16 Hexadecimal 110349fd
20 Vigesimal 493iab1
36 Base36 4pxptp

Cryptographic Hash Functions

md5 6bbd2ccc833706068fbc751b67acb259
sha1 718c1820f4e9e878fda0ec79c525d1a6897e3960
sha256 f6a65bec73cf4decf2f1ac03d3cdcf028ef6b6a3aeabe048edf148522781a324
sha512 1beb68db64ce15dc85a2897cbdf6d934fa512bfa0b5ddbc2c176d8619c84e036acd6d797be9cb0023d1463a389f55faf378106c8bda1f12b3cbe85a580704c58
ripemd-160 4391071511a9402308c3a03d6a935f946b4ce9b3

285428221 as geometric shapes

Circle

Radius = n
Diameter 570856442
Circumference 1793398404.4416
Area 2.55943258062E+17

Sphere

Radius = n
Volume 9.7404571767442E+25
Surface area 1.023773032248E+18
Circumference 1793398404.4416

Square

Length = n
Perimeter 1141712884
Area 81469269343224841
Diagonal 403656461.22223

Cube

Length = n
Surface area 488815616059349046
Volume 2.3253628614807E+25
Space diagonal 494376180.686

Equilateral Triangle

Length = n
Perimeter 856284663
Area 3.5277228439495E+16
Altitude 247188090.343

Triangular Pyramid

Length = n
Surface area 3.5277228439495E+16
Volume 2.7404664134539E+24
Height 134552153.74074