28691749 (number)

28691749 is an odd 8-digits composite number following 28691748 and preceding 28691750. In scientific notation, it is written as 2.8691749 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 28515564 positive integers (up to 28691749) that are relatively prime to 28691749.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred ninety-one thousand seven hundred forty-nine

Notation

Scientific notation 2.8691749 × 10^7
Engineering notation 2.8691749 × 10^6

Prime Factorization of 28691749

Prime Factorization 163 × 176023

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28691749
Product of the distinct prime numbers

The prime factorization of 28691749 is 163 × 176023. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28691749)

Multiplication

n×y
n×2 57383498
n×3 86075247
n×4 114766996
n×5 143458745

Division

n÷y
n÷2 14345874.5
n÷3 9563916.3333333
n÷3 7172937.25
n÷5 5738349.8

Exponentiation

ny
n2 823216460679001
n3 2.361952006247E+22
n4 6.7768534113286E+29
n5 1.9443977708763E+37

Nth Root

y√n
2√n 5356.4679593926
3√n 306.1392455818
4√n 73.187894896579
5√n 31.013544537306

Divisors of 28691749

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 -28691748
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 28691749 can be divided by 4 positive divisors. The sum of these divisors (counting 28691749) is 1, the average is 0.25.

Base conversion 28691749

Base System Value
2 Binary 1101101011100110100100101
3 Ternary 1222222200200101
4 Quaternary 1231130310211
5 Quinary 24321113444
6 Senary 2502544101
8 Octal 155346445
10 Decimal 28691749
12 Duodecimal 9738031
16 Hexadecimal 1b5cd25
20 Vigesimal 8j6979
36 Base36 h2yp1

Cryptographic Hash Functions

md5 02e4b1312fb187618fd8a64a65f2c577
sha1 62ae8c772bb993f424a97fd2470b96b2117d7672
sha256 1f5d72881ab5c105065a709d4d5a858457a893994eebbdd199557595542cb461
sha512 9cc681ea86daa5ab294033f7fb1f8dd709b9d578faff796c561d40b5e5f1ad9e4f6a042a77a639762e8e98e725158fcfcc6b9b5964f899bd1d61785a1d82af72
ripemd-160 d3ea58e952937d3d32a7f82b2029df4391affcc9

28691749 as geometric shapes

Circle

Radius = n
Diameter 57383498
Circumference 180275575.75408
Area 2.5862107851833E+15

Sphere

Radius = n
Volume 9.8937214279431E+22
Surface area 1.0344843140733E+16
Circumference 180275575.75408

Square

Length = n
Perimeter 114766996
Area 823216460679001
Diagonal 40576260.564005

Cube

Length = n
Surface area 4939298764074006
Volume 2.361952006247E+22
Space diagonal 49695567.026014

Equilateral Triangle

Length = n
Perimeter 86075247
Area 3.5646318388076E+14
Altitude 24847783.513007

Triangular Pyramid

Length = n
Surface area 3.5646318388076E+14
Volume 2.7835871340907E+21
Height 13525420.188002