28931023 (number)

28931023 is an odd 8-digits composite number following 28931022 and preceding 28931024. In scientific notation, it is written as 2.8931023 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 26300920 positive integers (up to 28931023) that are relatively prime to 28931023.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931023 × 10^7
Engineering notation 2.8931023 × 10^6

Prime Factorization of 28931023

Prime Factorization 11 × 2630093

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28931023
Product of the distinct prime numbers

The prime factorization of 28931023 is 11 × 2630093. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 57, 86, 685, 80, 9149, 4721, 56331, 20675, 127250, 432149, 8372958, 2762385, 31546865, 61103164, 368242491, 853418389, 6873941963, 3464050891

Basic calculations (n = 28931023)

Multiplication

n×y
n×2 57862046
n×3 86793069
n×4 115724092
n×5 144655115

Division

n÷y
n÷2 14465511.5
n÷3 9643674.3333333
n÷3 7232755.75
n÷5 5786204.6

Exponentiation

ny
n2 837004091826529
n3 2.4215384631727E+22
n4 7.0057584973435E+29
n5 2.0268376021909E+37

Nth Root

y√n
2√n 5378.7566407117
3√n 306.98790390436
4√n 73.340007095116
5√n 31.065100153508

Divisors of 28931023

1, 11, 2630093, 28931023

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 -28931022
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 28931023 can be divided by 4 positive divisors. The sum of these divisors (counting 28931023) is 1, the average is 0.25.

Base conversion 28931023

Base System Value
2 Binary 1101110010111001111001111
3 Ternary 2000102211220101
4 Quaternary 1232113033033
5 Quinary 24401243043
6 Senary 2512031531
8 Octal 156271717
10 Decimal 28931023
12 Duodecimal 98325a7
16 Hexadecimal 1b973cf
20 Vigesimal 90g7b3
36 Base36 h83bj

Cryptographic Hash Functions

md5 2769280b4de8e3d969e2c92c34b61c89
sha1 c1f3a3b1fa32d1aaab75182b5b03c83951f15860
sha256 fe5c46b3dca24dd04442b836397cacb6bba8e65ad11efc296b961b5bc1995279
sha512 458d05c8148b7f861eaec32031ca2ee7f4a471807114e4b3efa86fd9f8ed795abc555c855bb0a88e04bd3dab769eef72df6642f7cd8e41976ae4ba4fb9bab401
ripemd-160 7008b51061486e5e0c5ae3635736c9c20596f8e9

28931023 as geometric shapes

Circle

Radius = n
Diameter 57862046
Circumference 181778978.63527
Area 2.6295259059068E+15

Sphere

Radius = n
Volume 1.0143316595051E+23
Surface area 1.0518103623627E+16
Circumference 181778978.63527

Square

Length = n
Perimeter 115724092
Area 837004091826529
Diagonal 40914645.099928

Cube

Length = n
Surface area 5022024550959174
Volume 2.4215384631727E+22
Space diagonal 50110001.750944

Equilateral Triangle

Length = n
Perimeter 86793069
Area 3.6243340329665E+14
Altitude 25055000.875472

Triangular Pyramid

Length = n
Surface area 3.6243340329665E+14
Volume 2.8538104470225E+21
Height 13638215.033309