28702988 (number)

28702988 is an even 8-digits composite number following 28702987 and preceding 28702989. In scientific notation, it is written as 2.8702988 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 13587200 positive integers (up to 28702988) that are relatively prime to 28702988.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred two thousand nine hundred eighty-eight

Notation

Scientific notation 2.8702988 × 10^7
Engineering notation 2.8702988 × 10^6

Prime Factorization of 28702988

Prime Factorization 2 × 2 × 23 × 101 × 3089

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14351494
Product of the distinct prime numbers

The prime factorization of 28702988 is 2 × 2 × 23 × 101 × 3089. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 1, 47, 24, 628, 899, 3770, 6466, 2984, 71087, 433894, 32781, 5861433, 5463198, 35939809, 87460661, 514891409, 97674734, 825947906, 1709198577

Basic calculations (n = 28702988)

Multiplication

n×y
n×2 57405976
n×3 86108964
n×4 114811952
n×5 143514940

Division

n÷y
n÷2 14351494
n÷3 9567662.6666667
n÷3 7175747
n÷5 5740597.6

Exponentiation

ny
n2 823861520128144
n3 2.36472873259E+22
n4 6.7874780434786E+29
n5 1.9482090083223E+37

Nth Root

y√n
2√n 5357.5169621757
3√n 306.17921351615
4√n 73.195061050427
5√n 31.015973853311

Divisors of 28702988

1, 2, 4, 23, 46, 92, 101, 202, 404, 2323, 3089, 4646, 6178, 9292, 12356, 71047, 142094, 284188, 311989, 623978, 1247956, 7175747, 14351494, 28702988

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 -28702987
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 28702988 can be divided by 24 positive divisors. The sum of these divisors (counting 28702988) is 1, the average is 0.041666666666667.

Base conversion 28702988

Base System Value
2 Binary 1101101011111100100001100
3 Ternary 2000000021002122
4 Quaternary 1231133210030
5 Quinary 24321443423
6 Senary 2503112112
8 Octal 155374414
10 Decimal 28702988
12 Duodecimal 9742638
16 Hexadecimal 1b5f90c
20 Vigesimal 8j7h98
36 Base36 h37d8

Cryptographic Hash Functions

md5 e00044acfc2f634c05520c124013596e
sha1 05694bae7dba101a62ff66735a58fc367c002402
sha256 04aada65a9014aea4c8f4dc0dedaa9d5f2fe913895ab6e0fdd76439471470a4e
sha512 b5ef052b0c7a606478c01027ee734fc296d6499f1e67017bfd9132636570960789e3646b8919b0883c309a2d3b062fa6369ee0b69bf0281f293260d6277bd568
ripemd-160 b2e924a39d54303d8bedc5b8ac8089849a253d2e

28702988 as geometric shapes

Circle

Radius = n
Diameter 57405976
Circumference 180346192.47375
Area 2.5882372992099E+15

Sphere

Radius = n
Volume 9.9053525520499E+22
Surface area 1.035294919684E+16
Circumference 180346192.47375

Square

Length = n
Perimeter 114811952
Area 823861520128144
Diagonal 40592154.910232

Cube

Length = n
Surface area 4943169120768864
Volume 2.36472873259E+22
Space diagonal 49715033.54504

Equilateral Triangle

Length = n
Perimeter 86108964
Area 3.5674250281572E+14
Altitude 24857516.77252

Triangular Pyramid

Length = n
Surface area 3.5674250281572E+14
Volume 2.7868595374684E+21
Height 13530718.303411