28984986 (number)

28984986 is an even 8-digits composite number following 28984985 and preceding 28984987. In scientific notation, it is written as 2.8984986 × 10^7. The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors. There are 9237888 positive integers (up to 28984986) that are relatively prime to 28984986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8984986 × 10^7
Engineering notation 2.8984986 × 10^6

Prime Factorization of 28984986

Prime Factorization 2 × 111 × 9 × 163 × 89

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28984986
Product of the distinct prime numbers

The prime factorization of 28984986 is 2 × 111 × 9 × 163 × 89. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28984986)

Multiplication

n×y
n×2 57969972
n×3 86954958
n×4 115939944
n×5 144924930

Division

n÷y
n÷2 14492493
n÷3 9661662
n÷3 7246246.5
n÷5 5796997.2

Exponentiation

ny
n2 840129413420196
n3 2.4351139286173E+22
n4 7.0581743129376E+29
n5 2.0458108364606E+37

Nth Root

y√n
2√n 5383.7706117553
3√n 307.17865299663
4√n 73.374182187983
5√n 31.076680225699

Divisors of 28984986

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28984985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28984986 can be divided by 32 positive divisors. The sum of these divisors (counting 28984986) is 1, the average is 0.03125.

Base conversion 28984986

Base System Value
2 Binary 1101110100100011010011010
3 Ternary 2000112120221000
4 Quaternary 1232210122122
5 Quinary 24410004421
6 Senary 2513125430
8 Octal 156443232
10 Decimal 28984986
12 Duodecimal 9859876
16 Hexadecimal 1ba469a
20 Vigesimal 913296
36 Base36 h98yi

Cryptographic Hash Functions

md5 f2506d34a34d062e52241745981a4d5b
sha1 10a5c1e7ee737363d309eaef8fb40fb9afcbbba6
sha256 b0a940afefb10624bcb64003b4337d9825a0a9a33aa3d5d687b518813edba8aa
sha512 ae7dc8c83a02e6f54dbff4ef32fa48cd2c5575132c21058f7731ade9bcbfe336724c39df3b9fd877d94d2c823f7a92f855b9b85682991291d2b225754d768bba
ripemd-160 0836bd2c78983e30d40bd51b8d3739fa30414fde

28984986 as geometric shapes

Circle

Radius = n
Diameter 57969972
Circumference 182118038.16401
Area 2.6393443932656E+15

Sphere

Radius = n
Volume 1.0200181371731E+23
Surface area 1.0557377573062E+16
Circumference 182118038.16401

Square

Length = n
Perimeter 115939944
Area 840129413420196
Diagonal 40990960.306394

Cube

Length = n
Surface area 5040776480521176
Volume 2.4351139286173E+22
Space diagonal 50203468.408673

Equilateral Triangle

Length = n
Perimeter 86954958
Area 3.637867072442E+14
Altitude 25101734.204336

Triangular Pyramid

Length = n
Surface area 3.637867072442E+14
Volume 2.8698092864785E+21
Height 13663653.435465