28990807 (number)

28990807 is an odd 8-digits composite number following 28990806 and preceding 28990808. In scientific notation, it is written as 2.8990807 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 27991096 positive integers (up to 28990807) that are relatively prime to 28990807.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8990807 × 10^7
Engineering notation 2.8990807 × 10^6

Prime Factorization of 28990807

Prime Factorization 29 × 999683

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28990807
Product of the distinct prime numbers

The prime factorization of 28990807 is 29 × 999683. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28990807)

Multiplication

n×y
n×2 57981614
n×3 86972421
n×4 115963228
n×5 144954035

Division

n÷y
n÷2 14495403.5
n÷3 9663602.3333333
n÷3 7247701.75
n÷5 5798161.4

Exponentiation

ny
n2 840466890511249
n3 2.4365813412702E+22
n4 7.0638459404565E+29
n5 2.0478659433751E+37

Nth Root

y√n
2√n 5384.3111908581
3√n 307.19921498981
4√n 73.377865810189
5√n 31.07792833964

Divisors of 28990807

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 -28990806
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 28990807 can be divided by 4 positive divisors. The sum of these divisors (counting 28990807) is 1, the average is 0.25.

Base conversion 28990807

Base System Value
2 Binary 1101110100101110101010111
3 Ternary 2000112212220121
4 Quaternary 1232211311113
5 Quinary 24410201212
6 Senary 2513212411
8 Octal 156456527
10 Decimal 28990807
12 Duodecimal 9861107
16 Hexadecimal 1ba5d57
20 Vigesimal 913h07
36 Base36 h9dg7

Cryptographic Hash Functions

md5 18f0ee2cfd15b43d62836c2582685d3c
sha1 62d4f568183cd4b2ea3b79b7cd400abe35ed15a6
sha256 c79500d83cc13017fadc165951c05d0d8ffdbff4773a10e09865dbb627768b92
sha512 9088781061274b2b9bf99b54cfdb6b7fae59084bdfb08c03a70227054b483698b0b41d314c306144c4ed095c1ad80ceb21aa17ac676932568a8c7cdda60e7c8d
ripemd-160 c9cac29ed7cf97e85889e2fe7ff98214da349851

28990807 as geometric shapes

Circle

Radius = n
Diameter 57981614
Circumference 182154612.58568
Area 2.6404046088156E+15

Sphere

Radius = n
Volume 1.0206328055478E+23
Surface area 1.0561618435262E+16
Circumference 182154612.58568

Square

Length = n
Perimeter 115963228
Area 840466890511249
Diagonal 40999192.443541

Cube

Length = n
Surface area 5042801343067494
Volume 2.4365813412702E+22
Space diagonal 50213550.676423

Equilateral Triangle

Length = n
Perimeter 86972421
Area 3.6393283911123E+14
Altitude 25106775.338212

Triangular Pyramid

Length = n
Surface area 3.6393283911123E+14
Volume 2.8715386488746E+21
Height 13666397.48118