28693487 (number)

28693487 is an odd 8-digits composite number following 28693486 and preceding 28693488. In scientific notation, it is written as 2.8693487 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 27998784 positive integers (up to 28693487) that are relatively prime to 28693487.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred ninety-three thousand four hundred eighty-seven

Notation

Scientific notation 2.8693487 × 10^7
Engineering notation 2.8693487 × 10^6

Prime Factorization of 28693487

Prime Factorization 67 × 109 × 3929

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28693487
Product of the distinct prime numbers

The prime factorization of 28693487 is 67 × 109 × 3929. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 5, 58, 78, 645, 363, 3849, 8894, 32571, 57700, 417845, 878379, 9086515, 9117790, 50057191, 65745680, 984925750, 581185690, 6656365544, 687413724

Basic calculations (n = 28693487)

Multiplication

n×y
n×2 57386974
n×3 86080461
n×4 114773948
n×5 143467435

Division

n÷y
n÷2 14346743.5
n÷3 9564495.6666667
n÷3 7173371.75
n÷5 5738697.4

Exponentiation

ny
n2 823316196219169
n3 2.3623812573104E+22
n4 6.778495589568E+29
n5 1.9449867507883E+37

Nth Root

y√n
2√n 5356.6301907076
3√n 306.14542690901
4√n 73.189003208867
5√n 31.013920256712

Divisors of 28693487

1, 67, 109, 3929, 7303, 263243, 428261, 28693487

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28693486
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28693487 can be divided by 8 positive divisors. The sum of these divisors (counting 28693487) is 1, the average is 0.125.

Base conversion 28693487

Base System Value
2 Binary 1101101011101001111101111
3 Ternary 1222222210001202
4 Quaternary 1231131033233
5 Quinary 24321142422
6 Senary 2503000115
8 Octal 155351757
10 Decimal 28693487
12 Duodecimal 973903b
16 Hexadecimal 1b5d3ef
20 Vigesimal 8j6de7
36 Base36 h301b

Cryptographic Hash Functions

md5 659fd27e6d952178c200c087438345da
sha1 4b1496f884fbf2c9872beb7750d1ff5f283e8be9
sha256 f93ad3230d207828dd45d3483f908ef8f0c5caf8e290d6821cdb4eb8a4703a6c
sha512 0c7cd78484182cdd53f11f9ec4b5e987f7a19967e5ccd79d676cccc5b5f89c89f12aaf6af334ed04b06aeb712ef65404e56cfe51ce69012a3a6a16dc6a2df139
ripemd-160 a6bf966f65dfb0aa0271f74e4738d7424d52fa57

28693487 as geometric shapes

Circle

Radius = n
Diameter 57386974
Circumference 180286495.93015
Area 2.5865241136236E+15

Sphere

Radius = n
Volume 9.8955194705928E+22
Surface area 1.0346096454495E+16
Circumference 180286495.93015

Square

Length = n
Perimeter 114773948
Area 823316196219169
Diagonal 40578718.467176

Cube

Length = n
Surface area 4939897177315014
Volume 2.3623812573104E+22
Space diagonal 49698577.330317

Equilateral Triangle

Length = n
Perimeter 86080461
Area 3.5650637063649E+14
Altitude 24849288.665159

Triangular Pyramid

Length = n
Surface area 3.5650637063649E+14
Volume 2.7840930113203E+21
Height 13526239.489059