28986985 (number)

28986985 is an odd 8-digits composite number following 28986984 and preceding 28986986. In scientific notation, it is written as 2.8986985 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 23189584 positive integers (up to 28986985) that are relatively prime to 28986985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8986985 × 10^7
Engineering notation 2.8986985 × 10^6

Prime Factorization of 28986985

Prime Factorization 5 × 5797397

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28986985
Product of the distinct prime numbers

The prime factorization of 28986985 is 5 × 5797397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28986985)

Multiplication

n×y
n×2 57973970
n×3 86960955
n×4 115947940
n×5 144934925

Division

n÷y
n÷2 14493492.5
n÷3 9662328.3333333
n÷3 7246746.25
n÷5 5797397

Exponentiation

ny
n2 840245299390225
n3 2.4356177889745E+22
n4 7.0601216314737E+29
n5 2.046516398297E+37

Nth Root

y√n
2√n 5383.9562591091
3√n 307.18571453775
4√n 73.375447249806
5√n 31.07710886534

Divisors of 28986985

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28986984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28986985 can be divided by 4 positive divisors. The sum of these divisors (counting 28986985) is 1, the average is 0.25.

Base conversion 28986985

Base System Value
2 Binary 1101110100100111001101001
3 Ternary 2000112200200001
4 Quaternary 1232210321221
5 Quinary 24410040420
6 Senary 2513143001
8 Octal 156447151
10 Decimal 28986985
12 Duodecimal 985aa61
16 Hexadecimal 1ba4e69
20 Vigesimal 913795
36 Base36 h9ai1

Cryptographic Hash Functions

md5 37dedfb0e75c9b991eb7156fbe042a22
sha1 7a1cb89a7ee8686c5eb53860fb0a0b62203a0801
sha256 0d245ec61408eed0facde9b33f8384e01e1ef31b381845607c0dc7d8d565b2b3
sha512 dd6b4175ac19f77053d5ff6f6f46acaa9a71e7694305e77e58799d70849fd3877859d99f320fa0fa2a3ca11fa0223aadca31fbfa2e6f92d91e44a34007c71df0
ripemd-160 2e222d997000021fdfb98c1617e91f56d2575440

28986985 as geometric shapes

Circle

Radius = n
Diameter 57973970
Circumference 182130598.25144
Area 2.6397084597777E+15

Sphere

Radius = n
Volume 1.020229193706E+23
Surface area 1.0558833839111E+16
Circumference 182130598.25144

Square

Length = n
Perimeter 115947940
Area 840245299390225
Diagonal 40993787.319305

Cube

Length = n
Surface area 5041471796341350
Volume 2.4356177889745E+22
Space diagonal 50206930.778237

Equilateral Triangle

Length = n
Perimeter 86960955
Area 3.638368873412E+14
Altitude 25103465.389118

Triangular Pyramid

Length = n
Surface area 3.638368873412E+14
Volume 2.8704030916041E+21
Height 13664595.773102