28490815 (number)

28490815 is an odd 8-digits composite number following 28490814 and preceding 28490816. In scientific notation, it is written as 2.8490815 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 22792648 positive integers (up to 28490815) that are relatively prime to 28490815.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety thousand eight hundred fifteen

Notation

Scientific notation 2.8490815 × 10^7
Engineering notation 2.8490815 × 10^6

Prime Factorization of 28490815

Prime Factorization 5 × 5698163

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28490815
Product of the distinct prime numbers

The prime factorization of 28490815 is 5 × 5698163. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28490815)

Multiplication

n×y
n×2 56981630
n×3 85472445
n×4 113963260
n×5 142454075

Division

n÷y
n÷2 14245407.5
n÷3 9496938.3333333
n÷3 7122703.75
n÷5 5698163

Exponentiation

ny
n2 811726539364225
n3 2.3126750663616E+22
n4 6.5889997470822E+29
n5 1.8772597282917E+37

Nth Root

y√n
2√n 5337.6788026257
3√n 305.42291952561
4√n 73.059419670743
5√n 30.96998354049

Divisors of 28490815

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 -28490814
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 28490815 can be divided by 4 positive divisors. The sum of these divisors (counting 28490815) is 1, the average is 0.25.

Base conversion 28490815

Base System Value
2 Binary 1101100101011110000111111
3 Ternary 1222121111001101
4 Quaternary 1230223300333
5 Quinary 24243201230
6 Senary 2454353531
8 Octal 154536077
10 Decimal 28490815
12 Duodecimal 965b8a7
16 Hexadecimal 1b2bc3f
20 Vigesimal 8i170f
36 Base36 gynnj

Cryptographic Hash Functions

md5 10b0bc54ca6b73b7cd630b6152ec99df
sha1 dc63569a8810c21ba2e9c26a237a9d97fead3535
sha256 62ff238ec8ee19f485917868282e60dafad2ade08d64692f29b259b5c00ba9e2
sha512 76dde2877fdb3cf5b54d07a0ee0dcb91b383ae75c4738d37be48807b12be2666c5ca6c8afcdc513ca39570d3f128dee8123e6896913121f50460e750530f779a
ripemd-160 6d28664eb6bc08716f0809797e5f6dc8fa425f92

28490815 as geometric shapes

Circle

Radius = n
Diameter 56981630
Circumference 179013070.19757
Area 2.5501141327905E+15

Sphere

Radius = n
Volume 9.6873106648293E+22
Surface area 1.0200456531162E+16
Circumference 179013070.19757

Square

Length = n
Perimeter 113963260
Area 811726539364225
Diagonal 40292096.976063

Cube

Length = n
Surface area 4870359236185350
Volume 2.3126750663616E+22
Space diagonal 49347539.129045

Equilateral Triangle

Length = n
Perimeter 85472445
Area 3.5148790200772E+14
Altitude 24673769.564523

Triangular Pyramid

Length = n
Surface area 3.5148790200772E+14
Volume 2.7255137035089E+21
Height 13430698.992021