28993855 (number)

28993855 is an odd 8-digits composite number following 28993854 and preceding 28993856. In scientific notation, it is written as 2.8993855 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 21086400 positive integers (up to 28993855) that are relatively prime to 28993855.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-three thousand eight hundred fifty-five

Notation

Scientific notation 2.8993855 × 10^7
Engineering notation 2.8993855 × 10^6

Prime Factorization of 28993855

Prime Factorization 55 × 527161

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28993855
Product of the distinct prime numbers

The prime factorization of 28993855 is 55 × 527161. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28993855)

Multiplication

n×y
n×2 57987710
n×3 86981565
n×4 115975420
n×5 144969275

Division

n÷y
n÷2 14496927.5
n÷3 9664618.3333333
n÷3 7248463.75
n÷5 5798771

Exponentiation

ny
n2 840643627761025
n3 2.4373499449977E+22
n4 7.0668170889522E+29
n5 2.048942699886E+37

Nth Root

y√n
2√n 5384.5942279804
3√n 307.20998059095
4√n 73.379794412225
5√n 31.078581798802

Divisors of 28993855

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 -28993854
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 28993855 can be divided by 4 positive divisors. The sum of these divisors (counting 28993855) is 1, the average is 0.25.

Base conversion 28993855

Base System Value
2 Binary 1101110100110100100111111
3 Ternary 2000120001002111
4 Quaternary 1232212210333
5 Quinary 24410300410
6 Senary 2513234451
8 Octal 156464477
10 Decimal 28993855
12 Duodecimal 9862a27
16 Hexadecimal 1ba693f
20 Vigesimal 9144cf
36 Base36 h9fsv

Cryptographic Hash Functions

md5 a1af33365d9d94308c5353a1725fad89
sha1 79f6db3feeb174eddd8b9bf1be3dcc3e9a4be69e
sha256 584094df28f688c4b1a0b902cf80774b13a5592a4a72b0240ad52d64a0b9d83f
sha512 dd732d8658fe15d8ff911649c490a804124f38a139404ef80e428af918f5bc07acd413497e6e228479f6a4cda152adfc127cd4f59f2ac784f2ce1c5f04a028e6
ripemd-160 8ba17a2101bffda0a0761e1eea36ee019ad000b9

28993855 as geometric shapes

Circle

Radius = n
Diameter 57987710
Circumference 182173763.7345
Area 2.6409598452611E+15

Sphere

Radius = n
Volume 1.0209547575243E+23
Surface area 1.0563839381044E+16
Circumference 182173763.7345

Square

Length = n
Perimeter 115975420
Area 840643627761025
Diagonal 41003502.966479

Cube

Length = n
Surface area 5043861766566150
Volume 2.4373499449977E+22
Space diagonal 50218829.967285

Equilateral Triangle

Length = n
Perimeter 86981565
Area 3.6400936858528E+14
Altitude 25109414.983642

Triangular Pyramid

Length = n
Surface area 3.6400936858528E+14
Volume 2.8724444570542E+21
Height 13667834.32216