28931409 (number)

28931409 is an odd 8-digits composite number following 28931408 and preceding 28931410. In scientific notation, it is written as 2.8931409 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 17629920 positive integers (up to 28931409) that are relatively prime to 28931409.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931409 × 10^7
Engineering notation 2.8931409 × 10^6

Prime Factorization of 28931409

Prime Factorization 9 × 13 × 2311 × 107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28931409
Product of the distinct prime numbers

The prime factorization of 28931409 is 9 × 13 × 2311 × 107. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 92, 91, 83, 109, 4248, 1665, 84919, 62006, 367786, 428715, 6850124, 4523724, 71010157, 94247084, 807217402, 292493926, 2395114030, 5534056067

Basic calculations (n = 28931409)

Multiplication

n×y
n×2 57862818
n×3 86794227
n×4 115725636
n×5 144657045

Division

n÷y
n÷2 14465704.5
n÷3 9643803
n÷3 7232852.25
n÷5 5786281.8

Exponentiation

ny
n2 837026426725281
n3 2.4216353895398E+22
n4 7.0061323903649E+29
n5 2.026972816938E+37

Nth Root

y√n
2√n 5378.7925224905
3√n 306.98926918393
4√n 73.340251720938
5√n 31.06518304767

Divisors of 28931409

1, 9, 13, 107, 117, 963, 1391, 2311, 12519, 20799, 30043, 247277, 270387, 2225493, 3214601, 28931409

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 -28931408
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 28931409 can be divided by 16 positive divisors. The sum of these divisors (counting 28931409) is 1, the average is 0.0625.

Base conversion 28931409

Base System Value
2 Binary 1101110010111010101010001
3 Ternary 2000102212102200
4 Quaternary 1232113111101
5 Quinary 24401301114
6 Senary 2512033413
8 Octal 156272521
10 Decimal 28931409
12 Duodecimal 9832869
16 Hexadecimal 1b97551
20 Vigesimal 90g8a9
36 Base36 h83m9

Cryptographic Hash Functions

md5 92585c119439a2ac4ea41d99aa87e787
sha1 77aca560e4649748146aae92bb2e772aa5b71bb7
sha256 2ebe0fb454e1b982ab7e7ed9bc0446f4a0a5adf84872faca7d07a3e2fe5d8fd6
sha512 4bb9c8d4b730a0e87175d3db2916a04aad77367bc22122593f6c7b1a2e59414d800db2627eb5230bf006562c010e6f4a4538dbe64e4e01aeb9c6370d43e81145
ripemd-160 a472118bbf3eebd07c0aedc83fc90a1c9402dfee

28931409 as geometric shapes

Circle

Radius = n
Diameter 57862818
Circumference 181781403.9448
Area 2.6295960730607E+15

Sphere

Radius = n
Volume 1.0143722599268E+23
Surface area 1.0518384292243E+16
Circumference 181781403.9448

Square

Length = n
Perimeter 115725636
Area 837026426725281
Diagonal 40915190.986363

Cube

Length = n
Surface area 5022158560351686
Volume 2.4216353895398E+22
Space diagonal 50110670.322555

Equilateral Triangle

Length = n
Perimeter 86794227
Area 3.624430745915E+14
Altitude 25055335.161278

Triangular Pyramid

Length = n
Surface area 3.624430745915E+14
Volume 2.8539246758415E+21
Height 13638396.995454