28998949 (number)

28998949 is an odd 8-digits composite number following 28998948 and preceding 28998950. In scientific notation, it is written as 2.8998949 × 10^7. The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors. There are 24856236 positive integers (up to 28998949) that are relatively prime to 28998949.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-eight thousand nine hundred forty-nine

Notation

Scientific notation 2.8998949 × 10^7
Engineering notation 2.8998949 × 10^6

Prime Factorization of 28998949

Prime Factorization 7 × 4142707

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28998949
Product of the distinct prime numbers

The prime factorization of 28998949 is 7 × 4142707. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28998949)

Multiplication

n×y
n×2 57997898
n×3 86996847
n×4 115995796
n×5 144994745

Division

n÷y
n÷2 14499474.5
n÷3 9666316.3333333
n÷3 7249737.25
n÷5 5799789.8

Exponentiation

ny
n2 840939043104601
n3 2.4386348423099E+22
n4 7.0717847421768E+29
n5 2.0507432507736E+37

Nth Root

y√n
2√n 5385.0672233501
3√n 307.22797102377
4√n 73.383017267963
5√n 31.079673776195

Divisors of 28998949

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 -28998948
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 28998949 can be divided by 4 positive divisors. The sum of these divisors (counting 28998949) is 1, the average is 0.25.

Base conversion 28998949

Base System Value
2 Binary 1101110100111110100100101
3 Ternary 2000120022002011
4 Quaternary 1232213310211
5 Quinary 24410431244
6 Senary 2513314221
8 Octal 156476445
10 Decimal 28998949
12 Duodecimal 9865971
16 Hexadecimal 1ba7d25
20 Vigesimal 914h79
36 Base36 h9jqd

Cryptographic Hash Functions

md5 3907ab1f2b7b1c21173dbdf88dc1d9fd
sha1 67e02408713387b98ce76485c8de114b9c4d1583
sha256 773490956d57b71e13946828b2cc0702228346753f9d3416d0e0e60678cf26b9
sha512 179ca4190077ecf88abbe31c79552241a79efacfb958a53032651e11e6d7d7e194f207d92a6265d349ec815bc231ba35b77323eb076ad226caf3a5fc451ac909
ripemd-160 534f0e7dfd650031c93799409800ed8c756c21e7

28998949 as geometric shapes

Circle

Radius = n
Diameter 57997898
Circumference 182205770.28045
Area 2.6418879199342E+15

Sphere

Radius = n
Volume 1.0214929740519E+23
Surface area 1.0567551679737E+16
Circumference 182205770.28045

Square

Length = n
Perimeter 115995796
Area 840939043104601
Diagonal 41010706.970366

Cube

Length = n
Surface area 5045634258627606
Volume 2.4386348423099E+22
Space diagonal 50227653.034099

Equilateral Triangle

Length = n
Perimeter 86996847
Area 3.6413728718138E+14
Altitude 25113826.517049

Triangular Pyramid

Length = n
Surface area 3.6413728718138E+14
Volume 2.8739587230585E+21
Height 13670235.656789