28931660 (number)

28931660 is an even 8-digits composite number following 28931659 and preceding 28931661. In scientific notation, it is written as 2.8931660 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 11487104 positive integers (up to 28931660) that are relatively prime to 28931660.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand six hundred sixty

Notation

Scientific notation 2.8931660 × 10^7
Engineering notation 2.8931660 × 10^6

Prime Factorization of 28931660

Prime Factorization 2 × 2 × 5 × 137 × 10559

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14465830
Product of the distinct prime numbers

The prime factorization of 28931660 is 2 × 2 × 5 × 137 × 10559. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 5, 44, 84, 741, 669, 707, 8114, 44266, 2337, 467303, 166737, 4416505, 3631883, 47817260, 44022752, 593672311, 913865776, 7849526122, 671799037

Basic calculations (n = 28931660)

Multiplication

n×y
n×2 57863320
n×3 86794980
n×4 115726640
n×5 144658300

Division

n÷y
n÷2 14465830
n÷3 9643886.6666667
n÷3 7232915
n÷5 5786332

Exponentiation

ny
n2 837040950355600
n3 2.4216984181765E+22
n4 7.0063755257221E+29
n5 2.0270607454251E+37

Nth Root

y√n
2√n 5378.8158548141
3√n 306.99015696283
4√n 73.340410789783
5√n 31.065236949877

Divisors of 28931660

1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 10559, 21118, 42236, 52795, 105590, 211180, 1446583, 2893166, 5786332, 7232915, 14465830, 28931660

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931659
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931660 can be divided by 24 positive divisors. The sum of these divisors (counting 28931660) is 1, the average is 0.041666666666667.

Base conversion 28931660

Base System Value
2 Binary 1101110010111011001001100
3 Ternary 2000102212202222
4 Quaternary 1232113121030
5 Quinary 24401303120
6 Senary 2512034512
8 Octal 156273114
10 Decimal 28931660
12 Duodecimal 9832a38
16 Hexadecimal 1b9764c
20 Vigesimal 90g930
36 Base36 h83t8

Cryptographic Hash Functions

md5 a57a762afddf55aa38fd12d3721b54e9
sha1 26a668852974c0a492351e36f787e30f53fcb1c8
sha256 cea80f880cca26360e4903aaf211585ed7e419f0fb3f9655df69d8212668eb6c
sha512 a99cfda6f1cd8dc8873173a4491c72edb27f09881212c1873a84f6b15ebe9b7644d7c66321b85b8b2aefcb0e702b2fb0e5edc9eee4551561e2f6723d798080a7
ripemd-160 5f5160084c234c2fb27d3d9a3993b5f98e1f2c83

28931660 as geometric shapes

Circle

Radius = n
Diameter 57863320
Circumference 181782981.02432
Area 2.629641700391E+15

Sphere

Radius = n
Volume 1.0143986613004E+23
Surface area 1.0518566801564E+16
Circumference 181782981.02432

Square

Length = n
Perimeter 115726640
Area 837040950355600
Diagonal 40915545.953967

Cube

Length = n
Surface area 5022245702133600
Volume 2.4216984181765E+22
Space diagonal 50111105.067308

Equilateral Triangle

Length = n
Perimeter 86794980
Area 3.6244936350791E+14
Altitude 25055552.533654

Triangular Pyramid

Length = n
Surface area 3.6244936350791E+14
Volume 2.8539989558022E+21
Height 13638515.317989