28984945 (number)

28984945 is an odd 8-digits composite number following 28984944 and preceding 28984946. In scientific notation, it is written as 2.8984945 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 20153760 positive integers (up to 28984945) that are relatively prime to 28984945.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred eighty-four thousand nine hundred forty-five

Notation

Scientific notation 2.8984945 × 10^7
Engineering notation 2.8984945 × 10^6

Prime Factorization of 28984945

Prime Factorization 5 × 121 × 23 × 2083

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28984945
Product of the distinct prime numbers

The prime factorization of 28984945 is 5 × 121 × 23 × 2083. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 61, 73, 989, 835, 393, 9593, 23571, 73281, 622404, 786263, 3041525, 1405615, 41679114, 65413584, 175652013, 470848542, 9782320067, 8998201535

Basic calculations (n = 28984945)

Multiplication

n×y
n×2 57969890
n×3 86954835
n×4 115939780
n×5 144924725

Division

n÷y
n÷2 14492472.5
n÷3 9661648.3333333
n÷3 7246236.25
n÷5 5796989

Exponentiation

ny
n2 840127036653025
n3 2.4351035950401E+22
n4 7.0581343771539E+29
n5 2.0457963672442E+37

Nth Root

y√n
2√n 5383.7668040137
3√n 307.17850815923
4√n 73.374156240557
5√n 31.076671433943

Divisors of 28984945

1, 5, 23, 115, 121, 605, 2083, 2783, 10415, 13915, 47909, 239545, 252043, 1260215, 5796989, 28984945

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 -28984944
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 28984945 can be divided by 16 positive divisors. The sum of these divisors (counting 28984945) is 1, the average is 0.0625.

Base conversion 28984945

Base System Value
2 Binary 1101110100100011001110001
3 Ternary 2000112120212111
4 Quaternary 1232210121301
5 Quinary 24410004240
6 Senary 2513125321
8 Octal 156443161
10 Decimal 28984945
12 Duodecimal 9859841
16 Hexadecimal 1ba4671
20 Vigesimal 913275
36 Base36 h98xd

Cryptographic Hash Functions

md5 3f5577c6ca9aceca4ba234808d168bfc
sha1 2d4ea71e9266d77e8ddce22f71e34d6d846622c8
sha256 c25048bcbe488f469cc571fe246c9bc4a48231e8b32bbdb8391355b83518cda4
sha512 07d8bc6938e51fe3359ef5468414bb7f33ab4944555fdcc0f0aa6702add4c91fc41d9dd5a357cbea81742c7ffeac2e709fdfc7c90b6873b143bae85f6aa5aac5
ripemd-160 36ad9fa2bd673bbc731b6747e8ca9b2b89856e73

28984945 as geometric shapes

Circle

Radius = n
Diameter 57969890
Circumference 182117780.55341
Area 2.6393369264313E+15

Sphere

Radius = n
Volume 1.0200138086544E+23
Surface area 1.0557347705725E+16
Circumference 182117780.55341

Square

Length = n
Perimeter 115939780
Area 840127036653025
Diagonal 40990902.323638

Cube

Length = n
Surface area 5040762219918150
Volume 2.4351035950401E+22
Space diagonal 50203397.394589

Equilateral Triangle

Length = n
Perimeter 86954835
Area 3.6378567807383E+14
Altitude 25101698.697295

Triangular Pyramid

Length = n
Surface area 3.6378567807383E+14
Volume 2.869797108241E+21
Height 13663634.107879