28907908 (number)

28907908 is an even 8-digits composite number following 28907907 and preceding 28907909. In scientific notation, it is written as 2.8907908 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 14398472 positive integers (up to 28907908) that are relatively prime to 28907908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8907908 × 10^7
Engineering notation 2.8907908 × 10^6

Prime Factorization of 28907908

Prime Factorization 2 × 2 × 263 × 27479

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14453954
Product of the distinct prime numbers

The prime factorization of 28907908 is 2 × 2 × 263 × 27479. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 79, 24, 502, 513, 7698, 1516, 44027, 56149, 255214, 382687, 488092, 9131722, 58689677, 44275003, 865925636, 325858042, 8760391124, 2079795659

Basic calculations (n = 28907908)

Multiplication

n×y
n×2 57815816
n×3 86723724
n×4 115631632
n×5 144539540

Division

n÷y
n÷2 14453954
n÷3 9635969.3333333
n÷3 7226977
n÷5 5781581.6

Exponentiation

ny
n2 835667144936464
n3 2.4157388944446E+22
n4 6.9833957712626E+29
n5 2.0187536248325E+37

Nth Root

y√n
2√n 5376.6074805587
3√n 306.90612414757
4√n 73.325353599957
5√n 31.060134553871

Divisors of 28907908

1, 2, 4, 263, 526, 1052, 27479, 54958, 109916, 7226977, 14453954, 28907908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28907907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28907908 can be divided by 12 positive divisors. The sum of these divisors (counting 28907908) is 1, the average is 0.083333333333333.

Base conversion 28907908

Base System Value
2 Binary 1101110010001100110000100
3 Ternary 2000101200012021
4 Quaternary 1232101212010
5 Quinary 24400023113
6 Senary 2511332524
8 Octal 156214604
10 Decimal 28907908
12 Duodecimal 9821144
16 Hexadecimal 1b91984
20 Vigesimal 90d9f8
36 Base36 h7lhg

Cryptographic Hash Functions

md5 7ebb7591a7dc13c32bf37bbc7e4b07e4
sha1 49102a00eabb11e4fe40d83aa63edc724df87b18
sha256 a81392fbc0fd0b1aab69a4f863308f66245afd2c3a40b50390d6dd23b01fe4dc
sha512 c31882ba65bf3dfc663a2b7105123414b478deed3e8d6b1ebad7c5b186f734de46c4825da984a597f3b643ed9bed8f5fd3d438283912b55ad40c02022baa5da7
ripemd-160 9bf71763e55cca8e6a558f717032d48435f5a105

28907908 as geometric shapes

Circle

Radius = n
Diameter 57815816
Circumference 181633742.8069
Area 2.6253257633788E+15

Sphere

Radius = n
Volume 1.0119023418371E+23
Surface area 1.0501303053515E+16
Circumference 181633742.8069

Square

Length = n
Perimeter 115631632
Area 835667144936464
Diagonal 40881955.553434

Cube

Length = n
Surface area 5014002869618784
Volume 2.4157388944446E+22
Space diagonal 50069965.396527

Equilateral Triangle

Length = n
Perimeter 86723724
Area 3.618544883115E+14
Altitude 25034982.698263

Triangular Pyramid

Length = n
Surface area 3.618544883115E+14
Volume 2.8469755897298E+21
Height 13627318.517811