28397907 (number)

28397907 is an odd 8-digits composite number following 28397906 and preceding 28397908. In scientific notation, it is written as 2.8397907 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 18225216 positive integers (up to 28397907) that are relatively prime to 28397907.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8397907 × 10^7
Engineering notation 2.8397907 × 10^6

Prime Factorization of 28397907

Prime Factorization 37 × 9 × 107 × 797

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28397907
Product of the distinct prime numbers

The prime factorization of 28397907 is 37 × 9 × 107 × 797. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 2, 24, 60, 224, 937, 9389, 6896, 69303, 11601, 25677, 755698, 7165180, 5269365, 9508641, 15418268, 83992409, 578193954, 3362913668, 5306985665

Basic calculations (n = 28397907)

Multiplication

n×y
n×2 56795814
n×3 85193721
n×4 113591628
n×5 141989535

Division

n÷y
n÷2 14198953.5
n÷3 9465969
n÷3 7099476.75
n÷5 5679581.4

Exponentiation

ny
n2 806441121980649
n3 2.2901239982982E+22
n4 6.5034728322141E+29
n5 1.8468501666624E+37

Nth Root

y√n
2√n 5328.9686619458
3√n 305.09056524006
4√n 72.999785355477
5√n 30.949758637858

Divisors of 28397907

1, 9, 37, 107, 333, 797, 963, 3959, 7173, 29489, 35631, 85279, 265401, 767511, 3155323, 28397907

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28397906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28397907 can be divided by 16 positive divisors. The sum of these divisors (counting 28397907) is 1, the average is 0.0625.

Base conversion 28397907

Base System Value
2 Binary 1101100010101000101010011
3 Ternary 1222102202121100
4 Quaternary 1230111011103
5 Quinary 24232213112
6 Senary 2452355443
8 Octal 154250523
10 Decimal 28397907
12 Duodecimal 9615b83
16 Hexadecimal 1b15153
20 Vigesimal 8h9ef7
36 Base36 gwnyr

Cryptographic Hash Functions

md5 7a8d1919d54c785b4b6ab1a8d50dbeae
sha1 b0f8dbc52c6d30e812f360de128ed57027e032aa
sha256 8201447dad8e8174de8d14b75b0cf60cc9556135ec77a5879b66a296887f7f2c
sha512 9f651f38fcd8364be5bf22772117c5a491fb5ae9e03e3d0f57755166f31645136dd63ed1b8f2f160632761845674d0c4ffde13d7336672d43e0abd992a893366
ripemd-160 858c8ee5109690b54bd2c93a370c718b6e7c61a6

28397907 as geometric shapes

Circle

Radius = n
Diameter 56795814
Circumference 178429312.01705
Area 2.5335095043671E+15

Sphere

Radius = n
Volume 9.5928489718178E+22
Surface area 1.0134038017468E+16
Circumference 178429312.01705

Square

Length = n
Perimeter 113591628
Area 806441121980649
Diagonal 40160705.22241

Cube

Length = n
Surface area 4838646731883894
Volume 2.2901239982982E+22
Space diagonal 49186617.752616

Equilateral Triangle

Length = n
Perimeter 85193721
Area 3.4919924914583E+14
Altitude 24593308.876308

Triangular Pyramid

Length = n
Surface area 3.4919924914583E+14
Volume 2.6989370149245E+21
Height 13386901.740803