28746987 (number)

28746987 is an odd 8-digits composite number following 28746986 and preceding 28746988. In scientific notation, it is written as 2.8746987 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 18331368 positive integers (up to 28746987) that are relatively prime to 28746987.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-six thousand nine hundred eighty-seven

Notation

Scientific notation 2.8746987 × 10^7
Engineering notation 2.8746987 × 10^6

Prime Factorization of 28746987

Prime Factorization 3 × 23 × 416623

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28746987
Product of the distinct prime numbers

The prime factorization of 28746987 is 3 × 23 × 416623. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 9, 65, 83, 387, 99, 9651, 2648, 4998, 91908, 553889, 767594, 8441955, 41211, 8674437, 28741302, 502002589, 758270980, 6204292525, 9541765723

Basic calculations (n = 28746987)

Multiplication

n×y
n×2 57493974
n×3 86240961
n×4 114987948
n×5 143734935

Division

n÷y
n÷2 14373493.5
n÷3 9582329
n÷3 7186746.75
n÷5 5749397.4

Exponentiation

ny
n2 826389261578169
n3 2.3756201359527E+22
n4 6.8291921165171E+29
n5 1.9631869699402E+37

Nth Root

y√n
2√n 5361.6216763214
3√n 306.33558169071
4√n 73.223095238602
5√n 31.025476946414

Divisors of 28746987

1, 3, 23, 69, 416623, 1249869, 9582329, 28746987

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 -28746986
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 28746987 can be divided by 8 positive divisors. The sum of these divisors (counting 28746987) is 1, the average is 0.125.

Base conversion 28746987

Base System Value
2 Binary 1101101101010010011101011
3 Ternary 2000002111110020
4 Quaternary 1231222103223
5 Quinary 24324400422
6 Senary 2504051523
8 Octal 155522353
10 Decimal 28746987
12 Duodecimal 9763ba3
16 Hexadecimal 1b6a4eb
20 Vigesimal 8jd797
36 Base36 h45bf

Cryptographic Hash Functions

md5 7fcc4a6969c4569dafc81b8b98e44b2a
sha1 de8f2b9262af500909e872a16dada5005d7e226b
sha256 733678c468e64e9ca683a08f23c3a677ebbb3e2342ce9d85510c9332834da5de
sha512 6ef1238e6d547dbdc7c5eb16132baba9c245cbf37fa7a8372b059cac89d81aca5015892dbf3d1f702e7631d4197edafab74aa695588f5f70f343b0f6401ea9b7
ripemd-160 dfdfd527a2071cb8287d5d7819aef2189cd612f4

28746987 as geometric shapes

Circle

Radius = n
Diameter 57493974
Circumference 180622646.34408
Area 2.5961784331795E+15

Sphere

Radius = n
Volume 9.9509743557721E+22
Surface area 1.0384713732718E+16
Circumference 180622646.34408

Square

Length = n
Perimeter 114987948
Area 826389261578169
Diagonal 40654378.892763

Cube

Length = n
Surface area 4958335569469014
Volume 2.3756201359527E+22
Space diagonal 49791242.048522

Equilateral Triangle

Length = n
Perimeter 86240961
Area 3.5783704697068E+14
Altitude 24895621.024261

Triangular Pyramid

Length = n
Surface area 3.5783704697068E+14
Volume 2.7996951794258E+21
Height 13551459.630921