28931244 (number)

28931244 is an even 8-digits composite number following 28931243 and preceding 28931245. In scientific notation, it is written as 2.8931244 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors. There are 9643744 positive integers (up to 28931244) that are relatively prime to 28931244.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand two hundred forty-four

Notation

Scientific notation 2.8931244 × 10^7
Engineering notation 2.8931244 × 10^6

Prime Factorization of 28931244

Prime Factorization 2 × 2 × 3 × 2410937

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14465622
Product of the distinct prime numbers

The prime factorization of 28931244 is 2 × 2 × 3 × 2410937. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 64, 51, 414, 957, 5683, 6650, 65368, 16861, 538773, 793425, 4733245, 6478806, 8296230, 59498771, 321232654, 57390211, 6049025336, 7715811206

Basic calculations (n = 28931244)

Multiplication

n×y
n×2 57862488
n×3 86793732
n×4 115724976
n×5 144656220

Division

n÷y
n÷2 14465622
n÷3 9643748
n÷3 7232811
n÷5 5786248.8

Exponentiation

ny
n2 837016879387536
n3 2.4215939569679E+22
n4 7.0059725637965E+29
n5 2.026915017005E+37

Nth Root

y√n
2√n 5378.7771844537
3√n 306.98868558145
4√n 73.340147153205
5√n 31.065147613745

Divisors of 28931244

1, 2, 3, 4, 6, 12, 2410937, 4821874, 7232811, 9643748, 14465622, 28931244

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 -28931243
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 28931244 can be divided by 12 positive divisors. The sum of these divisors (counting 28931244) is 1, the average is 0.083333333333333.

Base conversion 28931244

Base System Value
2 Binary 1101110010111010010101100
3 Ternary 2000102212012120
4 Quaternary 1232113102230
5 Quinary 24401244434
6 Senary 2512032540
8 Octal 156272254
10 Decimal 28931244
12 Duodecimal 9832750
16 Hexadecimal 1b974ac
20 Vigesimal 90g824
36 Base36 h83ho

Cryptographic Hash Functions

md5 8122d1776ad626051282212eba6f7e26
sha1 e5b5f80e4c36525825f6f4fbe5e6aaeff029dc6e
sha256 838a7ae5299ef5485d1eaa9fa5804db0d4dc82db3c57b8a62dd2f2c7e4df3faa
sha512 f97eb94362766ae487b0833d72f10973201feea3135415da9dae82382ae383b75a69a6eb3fe3ab1fa090cd4998180c021e9a22f18f339db54f9836a18bc0be4d
ripemd-160 061878b6cc7af54fd386c6b96aa715637b694ec5

28931244 as geometric shapes

Circle

Radius = n
Diameter 57862488
Circumference 181780367.21923
Area 2.6295660792145E+15

Sphere

Radius = n
Volume 1.0143549046917E+23
Surface area 1.0518264316858E+16
Circumference 181780367.21923

Square

Length = n
Perimeter 115724976
Area 837016879387536
Diagonal 40914957.641125

Cube

Length = n
Surface area 5022101276325216
Volume 2.4215939569679E+22
Space diagonal 50110384.534172

Equilateral Triangle

Length = n
Perimeter 86793732
Area 3.6243894047299E+14
Altitude 25055192.267086

Triangular Pyramid

Length = n
Surface area 3.6243894047299E+14
Volume 2.8538758470873E+21
Height 13638319.213708