28432881 (number)

28432881 is an odd 8-digits composite number following 28432880 and preceding 28432882. In scientific notation, it is written as 2.8432881 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 18955248 positive integers (up to 28432881) that are relatively prime to 28432881.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8432881 × 10^7
Engineering notation 2.8432881 × 10^6

Prime Factorization of 28432881

Prime Factorization 9 × 3159209

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28432881
Product of the distinct prime numbers

The prime factorization of 28432881 is 9 × 3159209. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28432881)

Multiplication

n×y
n×2 56865762
n×3 85298643
n×4 113731524
n×5 142164405

Division

n÷y
n÷2 14216440.5
n÷3 9477627
n÷3 7108220.25
n÷5 5686576.2

Exponentiation

ny
n2 808428721960161
n3 2.2985957648475E+22
n4 6.5355699849014E+29
n5 1.8582508364787E+37

Nth Root

y√n
2√n 5332.2491502179
3√n 305.21576061735
4√n 73.022251062385
5√n 30.957378241752

Divisors of 28432881

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 -28432880
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 28432881 can be divided by 4 positive divisors. The sum of these divisors (counting 28432881) is 1, the average is 0.25.

Base conversion 28432881

Base System Value
2 Binary 1101100011101100111110001
3 Ternary 1222111112120200
4 Quaternary 1230131213301
5 Quinary 24234323011
6 Senary 2453225413
8 Octal 154354761
10 Decimal 28432881
12 Duodecimal 9632269
16 Hexadecimal 1b1d9f1
20 Vigesimal 8he241
36 Base36 gxey9

Cryptographic Hash Functions

md5 85cb110aa94d119f238668f7bd98faa1
sha1 93240e08b005801d5b3e89ecf0b66a8e5589e06d
sha256 17ad79e2ed5d4dfc65baa24b18db24c186810ef6caef8128a434da606260b7e0
sha512 5c5ba483cedc439a64cfbab728fa85f84756eb5a68fa5f4718a22eb2df8c9300236b2dcc50874d56a457de5d5d34744841077897506831b8a55ca4af8789f575
ripemd-160 21b2c01e47e9d4cf44b1d26266af96477306bc87

28432881 as geometric shapes

Circle

Radius = n
Diameter 56865762
Circumference 178649060.13999
Area 2.539753733861E+15

Sphere

Radius = n
Volume 9.6283354245568E+22
Surface area 1.0159014935444E+16
Circumference 178649060.13999

Square

Length = n
Perimeter 113731524
Area 808428721960161
Diagonal 40210165.92754

Cube

Length = n
Surface area 4850572331760966
Volume 2.2985957648475E+22
Space diagonal 49247194.49756

Equilateral Triangle

Length = n
Perimeter 85298643
Area 3.5005990518324E+14
Altitude 24623597.24878

Triangular Pyramid

Length = n
Surface area 3.5005990518324E+14
Volume 2.7089210875506E+21
Height 13403388.642513