28931444 (number)

28931444 is an even 8-digits composite number following 28931443 and preceding 28931445. In scientific notation, it is written as 2.8931444 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 13910624 positive integers (up to 28931444) that are relatively prime to 28931444.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931444 × 10^7
Engineering notation 2.8931444 × 10^6

Prime Factorization of 28931444

Prime Factorization 2 × 2 × 29 × 563 × 443

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14465722
Product of the distinct prime numbers

The prime factorization of 28931444 is 2 × 2 × 29 × 563 × 443. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 6, 89, 29, 318, 607, 2662, 4706, 26558, 22622, 887985, 233699, 5073494, 4314444, 25013292, 65261358, 70068840, 985356736, 8878250240, 5067917158

Basic calculations (n = 28931444)

Multiplication

n×y
n×2 57862888
n×3 86794332
n×4 115725776
n×5 144657220

Division

n÷y
n÷2 14465722
n÷3 9643814.6666667
n÷3 7232861
n÷5 5786288.8

Exponentiation

ny
n2 837028451925136
n3 2.4216441783279E+22
n4 7.0061662933219E+29
n5 2.0269850776993E+37

Nth Root

y√n
2√n 5378.7957760079
3√n 306.98939297811
4√n 73.340273901915
5√n 31.065190563937

Divisors of 28931444

1, 2, 4, 29, 58, 116, 443, 563, 886, 1126, 1772, 2252, 12847, 16327, 25694, 32654, 51388, 65308, 249409, 498818, 997636, 7232861, 14465722, 28931444

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931443
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931444 can be divided by 24 positive divisors. The sum of these divisors (counting 28931444) is 1, the average is 0.041666666666667.

Base conversion 28931444

Base System Value
2 Binary 1101110010111010101110100
3 Ternary 2000102212110222
4 Quaternary 1232113111310
5 Quinary 24401301234
6 Senary 2512033512
8 Octal 156272564
10 Decimal 28931444
12 Duodecimal 9832898
16 Hexadecimal 1b97574
20 Vigesimal 90g8c4
36 Base36 h83n8

Cryptographic Hash Functions

md5 d12de2aba54b89ffb605324d7d1b3c85
sha1 a526bc8e057c9873b3908eb26ccb8b76a75fb0ba
sha256 f5468359ce14aa757feb3e67f4d2c5ecc57ecd3d8064708952e9019ced02739f
sha512 0b5e7de0340a871c95fb9032b900ab159a6a276d08b8698269ef66b6cd5f25a17b7a1d450a4e4f378f7eca7a7e8689585579b1cadfb0960e3f4eb43139f66a81
ripemd-160 82fee42ea103a5a07b2c977dc31fdbb869cec7f4

28931444 as geometric shapes

Circle

Radius = n
Diameter 57862888
Circumference 181781623.85629
Area 2.6296024354136E+15

Sphere

Radius = n
Volume 1.0143759413658E+23
Surface area 1.0518409741655E+16
Circumference 181781623.85629

Square

Length = n
Perimeter 115725776
Area 837028451925136
Diagonal 40915240.483838

Cube

Length = n
Surface area 5022170711550816
Volume 2.4216441783279E+22
Space diagonal 50110730.944334

Equilateral Triangle

Length = n
Perimeter 86794332
Area 3.6244395152876E+14
Altitude 25055365.472167

Triangular Pyramid

Length = n
Surface area 3.6244395152876E+14
Volume 2.8539350335276E+21
Height 13638413.494613