28804781 (number)

28804781 is an odd 8-digits prime number following 28804780 and preceding 28804782. In scientific notation, it is written as 2.8804781 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 28804780 positive integers (up to 28804781) that are relatively prime to 28804781.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred four thousand seven hundred eighty-one

Notation

Scientific notation 2.8804781 × 10^7
Engineering notation 2.8804781 × 10^6

Prime Factorization of 28804781

Prime Factorization 28804781

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28804781
Product of the distinct prime numbers

The prime factorization of 28804781 is 28804781. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28804781)

Multiplication

n×y
n×2 57609562
n×3 86414343
n×4 115219124
n×5 144023905

Division

n÷y
n÷2 14402390.5
n÷3 9601593.6666667
n÷3 7201195.25
n÷5 5760956.2

Exponentiation

ny
n2 829715408457961
n3 2.3899770632957E+22
n4 6.8842765903256E+29
n5 1.9830007952776E+37

Nth Root

y√n
2√n 5367.0085708894
3√n 306.54073371057
4√n 73.259870126075
5√n 31.037941878456

Divisors of 28804781

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28804782
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14402391
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5367.0086640511
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999305671
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28804781 can be divided by 2 positive divisors. The sum of these divisors (counting 28804781) is 28804782, the average is 14402391.

Base conversion 28804781

Base System Value
2 Binary 1101101111000011010101101
3 Ternary 2000012102201202
4 Quaternary 1231320122231
5 Quinary 24333223111
6 Senary 2505215245
8 Octal 155703255
10 Decimal 28804781
12 Duodecimal 9791525
16 Hexadecimal 1b786ad
20 Vigesimal 900bj1
36 Base36 h5dwt

Cryptographic Hash Functions

md5 61710ea4c10f4513467d852ffb5fa767
sha1 01f080e05d178cf90f8b3946f8d7799c2584f480
sha256 4760412be2034386dd4705dd77fe915a6731cf63b18b93e5692bb442d01fb72f
sha512 0d0c7817e39ad26977f68a279519f22384a2ade16c674a5f273ac5885c6da38b6ec0069a4526d4991f1f8ea143c59fdcf2d0d0eea69de39eb0dc82ae9fa2f136
ripemd-160 6b77fbe0e93c93a86c361ed1485d1c7ea99023eb

28804781 as geometric shapes

Circle

Radius = n
Diameter 57609562
Circumference 180985776.75573
Area 2.6066278317818E+15

Sphere

Radius = n
Volume 1.0011112512397E+23
Surface area 1.0426511327127E+16
Circumference 180985776.75573

Square

Length = n
Perimeter 115219124
Area 829715408457961
Diagonal 40736111.951387

Cube

Length = n
Surface area 4978292450747766
Volume 2.3899770632957E+22
Space diagonal 49891344.192895

Equilateral Triangle

Length = n
Perimeter 86414343
Area 3.5927731081799E+14
Altitude 24945672.096447

Triangular Pyramid

Length = n
Surface area 3.5927731081799E+14
Volume 2.8166149805612E+21
Height 13578703.983796