28991003 (number)

28991003 is an odd 8-digits composite number following 28991002 and preceding 28991004. In scientific notation, it is written as 2.8991003 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 28916088 positive integers (up to 28991003) that are relatively prime to 28991003.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8991003 × 10^7
Engineering notation 2.8991003 × 10^6

Prime Factorization of 28991003

Prime Factorization 389 × 74527

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28991003
Product of the distinct prime numbers

The prime factorization of 28991003 is 389 × 74527. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28991003)

Multiplication

n×y
n×2 57982006
n×3 86973009
n×4 115964012
n×5 144955015

Division

n÷y
n÷2 14495501.5
n÷3 9663667.6666667
n÷3 7247750.75
n÷5 5798200.6

Exponentiation

ny
n2 840478254946009
n3 2.4366307610575E+22
n4 7.0640369703709E+29
n5 2.0479351700013E+37

Nth Root

y√n
2√n 5384.3293918556
3√n 307.1999072887
4√n 73.37798983248
5√n 31.077970361634

Divisors of 28991003

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 -28991002
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 28991003 can be divided by 4 positive divisors. The sum of these divisors (counting 28991003) is 1, the average is 0.25.

Base conversion 28991003

Base System Value
2 Binary 1101110100101111000011011
3 Ternary 2000112220011212
4 Quaternary 1232211320123
5 Quinary 24410203003
6 Senary 2513213335
8 Octal 156457033
10 Decimal 28991003
12 Duodecimal 986124b
16 Hexadecimal 1ba5e1b
20 Vigesimal 913ha3
36 Base36 h9dln

Cryptographic Hash Functions

md5 9f9c6339659884e4ce9435fab5f8e263
sha1 548859830058f5c649c2bf99f28a4e82c45a743b
sha256 fd68d393b69a2535107c92ed0945d65178705961bd8cb22f00f031bc968e84cb
sha512 425e3e1487e3c42635c9223ba62f40f43533c3ac1c85d5a5f5fe70d02b418166870de45466721843c02abc8395693aa07f8fa073cf2986ec2f895d476dedab51
ripemd-160 7bb74d56bcb91bd4bbd1f6fe170a1a60e8a7510e

28991003 as geometric shapes

Circle

Radius = n
Diameter 57982006
Circumference 182155844.09
Area 2.6404403112404E+15

Sphere

Radius = n
Volume 1.0206535064599E+23
Surface area 1.0561761244961E+16
Circumference 182155844.09

Square

Length = n
Perimeter 115964012
Area 840478254946009
Diagonal 40999469.629399

Cube

Length = n
Surface area 5042869529676054
Volume 2.4366307610575E+22
Space diagonal 50213890.158382

Equilateral Triangle

Length = n
Perimeter 86973009
Area 3.6393776005583E+14
Altitude 25106945.079191

Triangular Pyramid

Length = n
Surface area 3.6393776005583E+14
Volume 2.8715968906524E+21
Height 13666489.876466