28432878 (number)

28432878 is an even 8-digits composite number following 28432877 and preceding 28432879. In scientific notation, it is written as 2.8432878 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 9468536 positive integers (up to 28432878) that are relatively prime to 28432878.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-two thousand eight hundred seventy-eight

Notation

Scientific notation 2.8432878 × 10^7
Engineering notation 2.8432878 × 10^6

Prime Factorization of 28432878

Prime Factorization 2 × 3 × 1619 × 2927

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28432878
Product of the distinct prime numbers

The prime factorization of 28432878 is 2 × 3 × 1619 × 2927. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 17, 94, 541, 618, 6127, 5623, 82679, 55466, 485623, 472309, 9006410, 1019502, 73952858, 79741553, 357643023, 499425791, 1853283196, 7748471489

Basic calculations (n = 28432878)

Multiplication

n×y
n×2 56865756
n×3 85298634
n×4 113731512
n×5 142164390

Division

n÷y
n÷2 14216439
n÷3 9477626
n÷3 7108219.5
n÷5 5686575.6

Exponentiation

ny
n2 808428551362884
n3 2.2985950372618E+22
n4 6.5355672265869E+29
n5 1.8582498561434E+37

Nth Root

y√n
2√n 5332.2488689108
3√n 305.21574988274
4√n 73.02224913621
5√n 30.957377588479

Divisors of 28432878

1, 2, 3, 6, 1619, 2927, 3238, 4857, 5854, 8781, 9714, 17562, 4738813, 9477626, 14216439, 28432878

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28432877
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28432878 can be divided by 16 positive divisors. The sum of these divisors (counting 28432878) is 1, the average is 0.0625.

Base conversion 28432878

Base System Value
2 Binary 1101100011101100111101110
3 Ternary 1222111112120120
4 Quaternary 1230131213232
5 Quinary 24234323003
6 Senary 2453225410
8 Octal 154354756
10 Decimal 28432878
12 Duodecimal 9632266
16 Hexadecimal 1b1d9ee
20 Vigesimal 8he23i
36 Base36 gxey6

Cryptographic Hash Functions

md5 ecc077311fbf49b45c5cde3b54349073
sha1 e9ed95b12d88783abdbde33d8cb01dc459d69524
sha256 71a7def06c6cb451955b67707ee36a552dacb6cc3ec39171366ebb2f92ff7699
sha512 95eddc64366714342209e46c199aa1399cd897923b62af8680fdacab8171daaa4e5830ead4b19e17b3478e51c17b49cbba886b904fa1298009f94b5f3ded53b6
ripemd-160 c4406a9eb201e513ede19c4802bcaed46a0972d9

28432878 as geometric shapes

Circle

Radius = n
Diameter 56865756
Circumference 178649041.29043
Area 2.5397531979139E+15

Sphere

Radius = n
Volume 9.6283323768527E+22
Surface area 1.0159012791656E+16
Circumference 178649041.29043

Square

Length = n
Perimeter 113731512
Area 808428551362884
Diagonal 40210161.6849

Cube

Length = n
Surface area 4850571308177304
Volume 2.2985950372618E+22
Space diagonal 49247189.301407

Equilateral Triangle

Length = n
Perimeter 85298634
Area 3.5005983131246E+14
Altitude 24623594.650704

Triangular Pyramid

Length = n
Surface area 3.5005983131246E+14
Volume 2.7089202300826E+21
Height 13403387.2283