28490691 (number)

28490691 is an odd 8-digits composite number following 28490690 and preceding 28490692. In scientific notation, it is written as 2.8490691 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 17743488 positive integers (up to 28490691) that are relatively prime to 28490691.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety thousand six hundred ninety-one

Notation

Scientific notation 2.8490691 × 10^7
Engineering notation 2.8490691 × 10^6

Prime Factorization of 28490691

Prime Factorization 3 × 17 × 139 × 4019

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28490691
Product of the distinct prime numbers

The prime factorization of 28490691 is 3 × 17 × 139 × 4019. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28490691)

Multiplication

n×y
n×2 56981382
n×3 85472073
n×4 113962764
n×5 142453455

Division

n÷y
n÷2 14245345.5
n÷3 9496897
n÷3 7122672.75
n÷5 5698138.2

Exponentiation

ny
n2 811719473657481
n3 2.3126448702658E+22
n4 6.5888850391478E+29
n5 1.8772188768488E+37

Nth Root

y√n
2√n 5337.6671870771
3√n 305.42247642963
4√n 73.059340176853
5√n 30.969956582436

Divisors of 28490691

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 -28490690
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 28490691 can be divided by 16 positive divisors. The sum of these divisors (counting 28490691) is 1, the average is 0.0625.

Base conversion 28490691

Base System Value
2 Binary 1101100101011101111000011
3 Ternary 1222121110212210
4 Quaternary 1230223233003
5 Quinary 24243200231
6 Senary 2454353203
8 Octal 154535703
10 Decimal 28490691
12 Duodecimal 965b803
16 Hexadecimal 1b2bbc3
20 Vigesimal 8i16eb
36 Base36 gynk3

Cryptographic Hash Functions

md5 b23db3fb53ab2a9b1ec33d0890c7da40
sha1 47e8c89970a94dd4039063bd21d255a75e3def64
sha256 db394708a454d3c00db05db0771ac69f01a8062425afec1b0d9510ac3681f6c8
sha512 a699a7e3537778890dc7edf646a7fa06a44da6f5ac93caabcf35258d9ba62cd07bd2f2d1cbbb631edb302913a049f956364695df5403daaf83627f531002071a
ripemd-160 d8339f83939bf9ea50fb7f1d7a4ad2fe9d5306b4

28490691 as geometric shapes

Circle

Radius = n
Diameter 56981382
Circumference 179012291.08259
Area 2.5500919352181E+15

Sphere

Radius = n
Volume 9.6871841797188E+22
Surface area 1.0200367740872E+16
Circumference 179012291.08259

Square

Length = n
Perimeter 113962764
Area 811719473657481
Diagonal 40291921.613581

Cube

Length = n
Surface area 4870316841944886
Volume 2.3126448702658E+22
Space diagonal 49347324.354745

Equilateral Triangle

Length = n
Perimeter 85472073
Area 3.5148484246696E+14
Altitude 24673662.177373

Triangular Pyramid

Length = n
Surface area 3.5148484246696E+14
Volume 2.7254781170687E+21
Height 13430640.53786