28687637 (number)

28687637 is an odd 8-digits composite number following 28687636 and preceding 28687638. In scientific notation, it is written as 2.8687637 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 25785760 positive integers (up to 28687637) that are relatively prime to 28687637.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-seven thousand six hundred thirty-seven

Notation

Scientific notation 2.8687637 × 10^7
Engineering notation 2.8687637 × 10^6

Prime Factorization of 28687637

Prime Factorization 11 × 89 × 29303

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28687637
Product of the distinct prime numbers

The prime factorization of 28687637 is 11 × 89 × 29303. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 10, 24, 40, 611, 77, 4111, 2984, 30618, 59658, 221720, 266187, 712644, 8061820, 6337006, 26364691, 493090105, 458376317, 4756954596, 7189622771

Basic calculations (n = 28687637)

Multiplication

n×y
n×2 57375274
n×3 86062911
n×4 114750548
n×5 143438185

Division

n÷y
n÷2 14343818.5
n÷3 9562545.6666667
n÷3 7171909.25
n÷5 5737527.4

Exponentiation

ny
n2 822980516643769
n3 2.3609366319549E+22
n4 6.7729693077524E+29
n5 1.9430048491294E+37

Nth Root

y√n
2√n 5356.0841106166
3√n 306.12461995174
4√n 73.185272498069
5√n 31.012655536036

Divisors of 28687637

1, 11, 89, 979, 29303, 322333, 2607967, 28687637

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 -28687636
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 28687637 can be divided by 8 positive divisors. The sum of these divisors (counting 28687637) is 1, the average is 0.125.

Base conversion 28687637

Base System Value
2 Binary 1101101011011110100010101
3 Ternary 1222222111001002
4 Quaternary 1231123310111
5 Quinary 24321001022
6 Senary 2502513045
8 Octal 155336425
10 Decimal 28687637
12 Duodecimal 9735785
16 Hexadecimal 1b5bd15
20 Vigesimal 8j5j1h
36 Base36 h2vit

Cryptographic Hash Functions

md5 933190e400466ea5805c64a95104e65c
sha1 ecf4be4f9535d4dc4a8209ae29e96070cfd7bcd8
sha256 ac63a4c427daf11938acb3351b7a79421175def7a061a72d5f5e2a0f39e01a31
sha512 2a9d217ecf3c4e7243d52ba9efff1577bdc9d0a93b684df2f1973bf528170bf57f6b96d2328bc1d89ae86818550a74b405dcef6b34b5f26b21afa5d7ceff9c6b
ripemd-160 85a82b1b3eb4ca2921201afb0270a744fa4841a8

28687637 as geometric shapes

Circle

Radius = n
Diameter 57375274
Circumference 180249739.2961
Area 2.5854695451356E+15

Sphere

Radius = n
Volume 9.889468238054E+22
Surface area 1.0341878180542E+16
Circumference 180249739.2961

Square

Length = n
Perimeter 114750548
Area 822980516643769
Diagonal 40570445.317836

Cube

Length = n
Surface area 4937883099862614
Volume 2.3609366319549E+22
Space diagonal 49688444.833093

Equilateral Triangle

Length = n
Perimeter 86062911
Area 3.5636101711657E+14
Altitude 24844222.416546

Triangular Pyramid

Length = n
Surface area 3.5636101711657E+14
Volume 2.7823905040117E+21
Height 13523481.772612