28931609 (number)

28931609 is an odd 8-digits composite number following 28931608 and preceding 28931610. In scientific notation, it is written as 2.8931609 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 24192000 positive integers (up to 28931609) that are relatively prime to 28931609.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931609 × 10^7
Engineering notation 2.8931609 × 10^6

Prime Factorization of 28931609

Prime Factorization 7 × 7 × 41 × 14401

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4133087
Product of the distinct prime numbers

The prime factorization of 28931609 is 7 × 7 × 41 × 14401. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 66, 67, 200, 407, 669, 4880, 16505, 8720, 658179, 198760, 1846861, 6187549, 90220178, 80765879, 448140658, 498634837, 5361856086, 3932730823

Basic calculations (n = 28931609)

Multiplication

n×y
n×2 57863218
n×3 86794827
n×4 115726436
n×5 144658045

Division

n÷y
n÷2 14465804.5
n÷3 9643869.6666667
n÷3 7232902.25
n÷5 5786321.8

Exponentiation

ny
n2 837037999328881
n3 2.4216856114725E+22
n4 7.006326123205E+29
n5 2.0270428792305E+37

Nth Root

y√n
2√n 5378.8111139916
3√n 306.98997657789
4√n 73.340378469106
5√n 31.065225997666

Divisors of 28931609

1, 7, 41, 49, 287, 2009, 14401, 100807, 590441, 705649, 4133087, 28931609

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931608
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931609 can be divided by 12 positive divisors. The sum of these divisors (counting 28931609) is 1, the average is 0.083333333333333.

Base conversion 28931609

Base System Value
2 Binary 1101110010111011000011001
3 Ternary 2000102212201002
4 Quaternary 1232113120121
5 Quinary 24401302414
6 Senary 2512034345
8 Octal 156273031
10 Decimal 28931609
12 Duodecimal 98329b5
16 Hexadecimal 1b97619
20 Vigesimal 90g909
36 Base36 h83rt

Cryptographic Hash Functions

md5 4964ef3c8ca36d84969f9ae72b6d6c6f
sha1 dcdf3177035f37ecc7135192b6b83405b7bd013d
sha256 e7c2c45906aaaf822d63d78f5b75cdc964123a2eff7ef0102da87fba634586c7
sha512 281e0cc8d77595d26a90250bb538e3e970fffb6ea9816f1773426ff8ad48f99a397ba6028a1f20b0cebdb7ba07b585d3ade3d1103ee475cd6a1b9d5ffcb91fb8
ripemd-160 ec7a526dd0690e4f70e2c1c9c528e7f9b50e561a

28931609 as geometric shapes

Circle

Radius = n
Diameter 57863218
Circumference 181782660.58186
Area 2.6296324294671E+15

Sphere

Radius = n
Volume 1.0143932968408E+23
Surface area 1.0518529717868E+16
Circumference 181782660.58186

Square

Length = n
Perimeter 115726436
Area 837037999328881
Diagonal 40915473.829076

Cube

Length = n
Surface area 5022227995973286
Volume 2.4216856114725E+22
Space diagonal 50111016.732717

Equilateral Triangle

Length = n
Perimeter 86794827
Area 3.6244808567586E+14
Altitude 25055508.366358

Triangular Pyramid

Length = n
Surface area 3.6244808567586E+14
Volume 2.8539838629569E+21
Height 13638491.276359