28006986 (number)

28006986 is an even 8-digits composite number following 28006985 and preceding 28006987. In scientific notation, it is written as 2.8006986 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 7950960 positive integers (up to 28006986) that are relatively prime to 28006986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8006986 × 10^7
Engineering notation 2.8006986 × 10^6

Prime Factorization of 28006986

Prime Factorization 2 × 21 × 163 × 4091

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28006986
Product of the distinct prime numbers

The prime factorization of 28006986 is 2 × 21 × 163 × 4091. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 1, 8, 222, 379, 2558, 8232, 94106, 97278, 580665, 335074, 2848413, 2204541, 91021467, 63497586, 658734386, 378398365, 5542185031, 6826745008

Basic calculations (n = 28006986)

Multiplication

n×y
n×2 56013972
n×3 84020958
n×4 112027944
n×5 140034930

Division

n÷y
n÷2 14003493
n÷3 9335662
n÷3 7001746.5
n÷5 5601397.2

Exponentiation

ny
n2 784391264804196
n3 2.1968435171893E+22
n4 6.1526965630113E+29
n5 1.723184865025E+37

Nth Root

y√n
2√n 5292.1626959118
3√n 303.68414938582
4√n 72.747252153685
5√n 30.864075655181

Divisors of 28006986

1, 2, 21, 42, 163, 326, 3423, 4091, 6846, 8182, 85911, 171822, 666833, 1333666, 14003493, 28006986

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28006985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28006986 can be divided by 16 positive divisors. The sum of these divisors (counting 28006986) is 1, the average is 0.0625.

Base conversion 28006986

Base System Value
2 Binary 1101010110101101001001010
3 Ternary 1221200220100210
4 Quaternary 1222311221022
5 Quinary 24132210421
6 Senary 2440141550
8 Octal 152655112
10 Decimal 28006986
12 Duodecimal 94678b6
16 Hexadecimal 1ab5a4a
20 Vigesimal 8f0h96
36 Base36 goabu

Cryptographic Hash Functions

md5 ccebe33550e2cc1ffb40e71368f46295
sha1 81b769f7ddb4783f341ee60bc447886487d03c2a
sha256 4dccc732be0970f9a03e1aa34ea09658e96e77280df451f68b9ba7e7d0f438b0
sha512 96c37ea87b179251af96953f2b41cdf1d5f5aebf599544b426ce5051a1cf6fa2f3ba5375b66efa89bd6fab21cfdb9c35698c90dfc1d246ebfc91f95b734117e6
ripemd-160 fff6c4930ab80d9b1cfa90483eff0a45d1e579c3

28006986 as geometric shapes

Circle

Radius = n
Diameter 56013972
Circumference 175973082.93358
Area 2.4642378350489E+15

Sphere

Radius = n
Volume 9.2021166062512E+22
Surface area 9.8569513401955E+15
Circumference 175973082.93358

Square

Length = n
Perimeter 112027944
Area 784391264804196
Diagonal 39607859.442393

Cube

Length = n
Surface area 4706347588825176
Volume 2.1968435171893E+22
Space diagonal 48509522.71887

Equilateral Triangle

Length = n
Perimeter 84020958
Area 3.3965138091352E+14
Altitude 24254761.359435

Triangular Pyramid

Length = n
Surface area 3.3965138091352E+14
Volume 2.5890049136838E+21
Height 13202619.814131