28654321 (number)

28654321 is an odd 8-digits composite number following 28654320 and preceding 28654322. In scientific notation, it is written as 2.8654321 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 28611072 positive integers (up to 28654321) that are relatively prime to 28654321.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred fifty-four thousand three hundred twenty-one

Notation

Scientific notation 2.8654321 × 10^7
Engineering notation 2.8654321 × 10^6

Prime Factorization of 28654321

Prime Factorization 673 × 42577

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28654321
Product of the distinct prime numbers

The prime factorization of 28654321 is 673 × 42577. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28654321)

Multiplication

n×y
n×2 57308642
n×3 85962963
n×4 114617284
n×5 143271605

Division

n÷y
n÷2 14327160.5
n÷3 9551440.3333333
n÷3 7163580.25
n÷5 5730864.2

Exponentiation

ny
n2 821070111971041
n3 2.3527206551924E+22
n4 6.7415612877214E+29
n5 1.9317486117954E+37

Nth Root

y√n
2√n 5352.9730991291
3√n 306.00606948247
4√n 73.164015056099
5√n 31.005448961777

Divisors of 28654321

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 -28654320
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 28654321 can be divided by 4 positive divisors. The sum of these divisors (counting 28654321) is 1, the average is 0.25.

Base conversion 28654321

Base System Value
2 Binary 1101101010011101011110001
3 Ternary 1222220210100011
4 Quaternary 1231103223301
5 Quinary 24313414241
6 Senary 2502054521
8 Octal 155235361
10 Decimal 28654321
12 Duodecimal 971a441
16 Hexadecimal 1b53af1
20 Vigesimal 8j1fg1
36 Base36 h25td

Cryptographic Hash Functions

md5 ceb09bfd2e600a1121efdceb80118c43
sha1 897af657b44f98fcf550375ac19429aca480092e
sha256 5965559e798aef66f5e9b713b8885bdac71341a5381d191122c7fe48e25e334a
sha512 13e7a2990811447330e96e4e986d94b4db45d95638a42c410dac89029f02c89c8a24e81b60d8cdea867703776695d4e467df3a15b9237dc506f30550b392e545
ripemd-160 238d3fd383b140991356b523281652345df167f0

28654321 as geometric shapes

Circle

Radius = n
Diameter 57308642
Circumference 180040408.69441
Area 2.5794678318504E+15

Sphere

Radius = n
Volume 9.8550532350686E+22
Surface area 1.0317871327401E+16
Circumference 180040408.69441

Square

Length = n
Perimeter 114617284
Area 821070111971041
Diagonal 40523329.378792

Cube

Length = n
Surface area 4926420671826246
Volume 2.3527206551924E+22
Space diagonal 49630739.828388

Equilateral Triangle

Length = n
Perimeter 85962963
Area 3.5553378762753E+14
Altitude 24815369.914194

Triangular Pyramid

Length = n
Surface area 3.5553378762753E+14
Volume 2.7727078825404E+21
Height 13507776.459597