28161489 (number)

28161489 is an odd 8-digits composite number following 28161488 and preceding 28161490. In scientific notation, it is written as 2.8161489 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 18774324 positive integers (up to 28161489) that are relatively prime to 28161489.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-one thousand four hundred eighty-nine

Notation

Scientific notation 2.8161489 × 10^7
Engineering notation 2.8161489 × 10^6

Prime Factorization of 28161489

Prime Factorization 3 × 9387163

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28161489
Product of the distinct prime numbers

The prime factorization of 28161489 is 3 × 9387163. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28161489)

Multiplication

n×y
n×2 56322978
n×3 84484467
n×4 112645956
n×5 140807445

Division

n÷y
n÷2 14080744.5
n÷3 9387163
n÷3 7040372.25
n÷5 5632297.8

Exponentiation

ny
n2 793069462697121
n3 2.2334016949981E+22
n4 6.289591726627E+29
n5 1.771242682239E+37

Nth Root

y√n
2√n 5306.7399597116
3√n 304.24155907342
4√n 72.847374418792
5√n 30.898053637908

Divisors of 28161489

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 -28161488
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 28161489 can be divided by 4 positive divisors. The sum of these divisors (counting 28161489) is 1, the average is 0.25.

Base conversion 28161489

Base System Value
2 Binary 1101011011011010111010001
3 Ternary 1221222202022010
4 Quaternary 1223123113101
5 Quinary 24202131424
6 Senary 2443333133
8 Octal 153332721
10 Decimal 28161489
12 Duodecimal 95211a9
16 Hexadecimal 1adb5d1
20 Vigesimal 8g03e9
36 Base36 grljl

Cryptographic Hash Functions

md5 4b8f13fe60731d29735e59d757ac57b7
sha1 a4275d4194123a1a9baed6fafe7d9875e618e1ec
sha256 310d0918e29a672e00f5c0af4d3bd7f6ef7027dcb96c54cb63c2b8ad8b902e0c
sha512 8fe8ed397112b1d73f6bcbe383268218219ab07efffce429282efe40c48c0eb41455d307dbe348a8163480c241be10fe7ac958802beac2bc1464f77b7b243778
ripemd-160 c043ee8bf5a05597e2e1c39ea7439d00f9870219

28161489 as geometric shapes

Circle

Radius = n
Diameter 56322978
Circumference 176943853.9131
Area 2.4915011977957E+15

Sphere

Radius = n
Volume 9.3552511433613E+22
Surface area 9.9660047911827E+15
Circumference 176943853.9131

Square

Length = n
Perimeter 112645956
Area 793069462697121
Diagonal 39826359.680421

Cube

Length = n
Surface area 4758416776182726
Volume 2.2334016949981E+22
Space diagonal 48777129.764792

Equilateral Triangle

Length = n
Perimeter 84484467
Area 3.4340915083069E+14
Altitude 24388564.882396

Triangular Pyramid

Length = n
Surface area 3.4340915083069E+14
Volume 2.6320891394111E+21
Height 13275453.226807