28993894 (number)

28993894 is an even 8-digits composite number following 28993893 and preceding 28993895. In scientific notation, it is written as 2.8993894 × 10^7. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 14496946 positive integers (up to 28993894) that are relatively prime to 28993894.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-three thousand eight hundred ninety-four

Notation

Scientific notation 2.8993894 × 10^7
Engineering notation 2.8993894 × 10^6

Prime Factorization of 28993894

Prime Factorization 2 × 14496947

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28993894
Product of the distinct prime numbers

The prime factorization of 28993894 is 2 × 14496947. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28993894)

Multiplication

n×y
n×2 57987788
n×3 86981682
n×4 115975576
n×5 144969470

Division

n÷y
n÷2 14496947
n÷3 9664631.3333333
n÷3 7248473.5
n÷5 5798778.8

Exponentiation

ny
n2 840645889283236
n3 2.4373597805414E+22
n4 7.066855111688E+29
n5 2.0489564802164E+37

Nth Root

y√n
2√n 5384.597849422
3√n 307.21011833489
4√n 73.379819088234
5√n 31.078590159636

Divisors of 28993894

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 -28993893
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 28993894 can be divided by 4 positive divisors. The sum of these divisors (counting 28993894) is 1, the average is 0.25.

Base conversion 28993894

Base System Value
2 Binary 1101110100110100101100110
3 Ternary 2000120001010221
4 Quaternary 1232212211212
5 Quinary 24410301034
6 Senary 2513234554
8 Octal 156464546
10 Decimal 28993894
12 Duodecimal 9862a5a
16 Hexadecimal 1ba6966
20 Vigesimal 9144ee
36 Base36 h9fty

Cryptographic Hash Functions

md5 743182581f40cd7967dffddb8a6987b4
sha1 2636fbfce8321cbc3c358f31e58f299e0054a66e
sha256 443f2183a33c8bd08ea84f96f78bcfb7816fcfa6f537b8ee1a8a99d0d6cefe13
sha512 817042624406019d5e6ca85bbee8bb6c83e5c430785d51cc67942635954a2af0f2450626aa48724217756a626be5790f3b805d0179247239e5227d593abef730
ripemd-160 3f86060031edcd19e16f71a04a83e882d2282b3f

28993894 as geometric shapes

Circle

Radius = n
Diameter 57987788
Circumference 182174008.77872
Area 2.6409669500427E+15

Sphere

Radius = n
Volume 1.0209588774272E+23
Surface area 1.0563867800171E+16
Circumference 182174008.77872

Square

Length = n
Perimeter 115975576
Area 840645889283236
Diagonal 41003558.120808

Cube

Length = n
Surface area 5043875335699416
Volume 2.4373597805414E+22
Space diagonal 50218897.517266

Equilateral Triangle

Length = n
Perimeter 86981682
Area 3.6401034785312E+14
Altitude 25109448.758633

Triangular Pyramid

Length = n
Surface area 3.6401034785312E+14
Volume 2.8724560483536E+21
Height 13667852.706936