28990109 (number)

28990109 is an odd 8-digits composite number following 28990108 and preceding 28990110. In scientific notation, it is written as 2.8990109 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 28976640 positive integers (up to 28990109) that are relatively prime to 28990109.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8990109 × 10^7
Engineering notation 2.8990109 × 10^6

Prime Factorization of 28990109

Prime Factorization 2689 × 10781

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28990109
Product of the distinct prime numbers

The prime factorization of 28990109 is 2689 × 10781. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28990109)

Multiplication

n×y
n×2 57980218
n×3 86970327
n×4 115960436
n×5 144950545

Division

n÷y
n÷2 14495054.5
n÷3 9663369.6666667
n÷3 7247527.25
n÷5 5798021.8

Exponentiation

ny
n2 840426419831881
n3 2.4364053517406E+22
n4 7.0631656715143E+29
n5 2.0476194270226E+37

Nth Root

y√n
2√n 5384.2463725205
3√n 307.19674953271
4√n 73.377424133861
5√n 31.077778688043

Divisors of 28990109

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 -28990108
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 28990109 can be divided by 4 positive divisors. The sum of these divisors (counting 28990109) is 1, the average is 0.25.

Base conversion 28990109

Base System Value
2 Binary 1101110100101101010011101
3 Ternary 2000112211221202
4 Quaternary 1232211222131
5 Quinary 24410140414
6 Senary 2513205245
8 Octal 156455235
10 Decimal 28990109
12 Duodecimal 9860825
16 Hexadecimal 1ba5a9d
20 Vigesimal 913f59
36 Base36 h9cwt

Cryptographic Hash Functions

md5 94f7700edbdd1df746262ebc2c790ee7
sha1 fd7cf0593b518651d12975204fac68b736b567f8
sha256 e6f2f8f93f078bc919ed3bc0cb7083e6d4d88e70637a451f7459feabebf5f99f
sha512 33ea8c4398b59a9881c828986fa698d623cb0b7b37ea86e0d601dc41a6064feb99d851ece6efe0b4a7ab14bf780c131685d7342601a9fc18886c24db143df29a
ripemd-160 a11589bc6ff203facded450de5d96a39d5a5d3c0

28990109 as geometric shapes

Circle

Radius = n
Diameter 57980218
Circumference 182150226.92233
Area 2.6402774664266E+15

Sphere

Radius = n
Volume 1.020559087226E+23
Surface area 1.0561109865706E+16
Circumference 182150226.92233

Square

Length = n
Perimeter 115960436
Area 840426419831881
Diagonal 40998205.322474

Cube

Length = n
Surface area 5042558518991286
Volume 2.4364053517406E+22
Space diagonal 50212341.70496

Equilateral Triangle

Length = n
Perimeter 86970327
Area 3.6391531479301E+14
Altitude 25106170.85248

Triangular Pyramid

Length = n
Surface area 3.6391531479301E+14
Volume 2.871331243225E+21
Height 13666068.440825