28949984 (number)

28949984 is an even 8-digits composite number following 28949983 and preceding 28949985. In scientific notation, it is written as 2.8949984 × 10^7. The sum of its digits is 53. It has a total of 9 prime factors and 72 positive divisors. There are 12047616 positive integers (up to 28949984) that are relatively prime to 28949984.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8949984 × 10^7
Engineering notation 2.8949984 × 10^6

Prime Factorization of 28949984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 7 × 7 × 37 × 499

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 258482
Product of the distinct prime numbers

The prime factorization of 28949984 is 2 × 2 × 2 × 2 × 2 × 7 × 7 × 37 × 499. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28949984)

Multiplication

n×y
n×2 57899968
n×3 86849952
n×4 115799936
n×5 144749920

Division

n÷y
n÷2 14474992
n÷3 9649994.6666667
n÷3 7237496
n÷5 5789996.8

Exponentiation

ny
n2 838101573600256
n3 2.4263027146102E+22
n4 7.0241424767123E+29
n5 2.0334881231454E+37

Nth Root

y√n
2√n 5380.5189340806
3√n 307.05495449436
4√n 73.35202065438
5√n 31.069171015495

Divisors of 28949984

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28949983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28949984 can be divided by 72 positive divisors. The sum of these divisors (counting 28949984) is 1, the average is 0.013888888888889.

Base conversion 28949984

Base System Value
2 Binary 1101110011011110111100000
3 Ternary 2000110210220122
4 Quaternary 1232123313200
5 Quinary 24402344414
6 Senary 2512255412
8 Octal 156336740
10 Decimal 28949984
12 Duodecimal 9841568
16 Hexadecimal 1b9bde0
20 Vigesimal 90iej4
36 Base36 h8hy8

Cryptographic Hash Functions

md5 ef11be8d8d5ee2ea91c6a75f6b78f123
sha1 ab186e140b621b12821949a31fa04597613c31ae
sha256 263a09e1aa153fa0ce515fd04be0d4a66beb6a873cdfcfa596c1b0d7747a426d
sha512 dd903666b1139b66532cff26646d8ae870972160cd938fbc1d87d0d2a8cb16f3e78efe599e7eee90ed9f3e9badeed8cd2e4dd9ad7718827b6c1f0b26b7ccc6c4
ripemd-160 87a771fdb5492032f94451b1805309b63a632205

28949984 as geometric shapes

Circle

Radius = n
Diameter 57899968
Circumference 181898114.11188
Area 2.6329737465846E+15

Sphere

Radius = n
Volume 1.0163273044806E+23
Surface area 1.0531894986338E+16
Circumference 181898114.11188

Square

Length = n
Perimeter 115799936
Area 838101573600256
Diagonal 40941460.003284

Cube

Length = n
Surface area 5028609441601536
Volume 2.4263027146102E+22
Space diagonal 50142843.166306

Equilateral Triangle

Length = n
Perimeter 86849952
Area 3.6290862684477E+14
Altitude 25071421.583153

Triangular Pyramid

Length = n
Surface area 3.6290862684477E+14
Volume 2.859425171187E+21
Height 13647153.334428