28939961 (number)

28939961 is an odd 8-digits composite number following 28939960 and preceding 28939962. In scientific notation, it is written as 2.8939961 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 28304640 positive integers (up to 28939961) that are relatively prime to 28939961.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-nine thousand nine hundred sixty-one

Notation

Scientific notation 2.8939961 × 10^7
Engineering notation 2.8939961 × 10^6

Prime Factorization of 28939961

Prime Factorization 53 × 421 × 1297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28939961
Product of the distinct prime numbers

The prime factorization of 28939961 is 53 × 421 × 1297. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28939961)

Multiplication

n×y
n×2 57879922
n×3 86819883
n×4 115759844
n×5 144699805

Division

n÷y
n÷2 14469980.5
n÷3 9646653.6666667
n÷3 7234990.25
n÷5 5787992.2

Exponentiation

ny
n2 837521342681521
n3 2.4237834993871E+22
n4 7.0144199944706E+29
n5 2.029970410776E+37

Nth Root

y√n
2√n 5379.587437713
3√n 307.01951443963
4√n 73.34567088597
5√n 31.067019377444

Divisors of 28939961

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28939960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28939961 can be divided by 8 positive divisors. The sum of these divisors (counting 28939961) is 1, the average is 0.125.

Base conversion 28939961

Base System Value
2 Binary 1101110011001011010111001
3 Ternary 2000110022011102
4 Quaternary 1232121122321
5 Quinary 24402034321
6 Senary 2512141145
8 Octal 156313271
10 Decimal 28939961
12 Duodecimal 98377b5
16 Hexadecimal 1b996b9
20 Vigesimal 90h9i1
36 Base36 h8a7t

Cryptographic Hash Functions

md5 1c9b11de789ef4c0c439680cdd463692
sha1 b61126e3c53cf7a78168b931b6f1fcd0b8fee4c1
sha256 7c689e3215d45eec0c65ee39afc888168b09255c61d55305e413331e8341f4cb
sha512 d2c0e4168340d638e3adb837100b811283d84d358252a8fe8454ba179cd9d72f8df7f34795f0ae528445a3aad44a026bb3b44fb05c3f2ba0b403862b3ce79b35
ripemd-160 c5c184ae4817e33f9bd1c5a3d12e0e35f5267a20

28939961 as geometric shapes

Circle

Radius = n
Diameter 57879922
Circumference 181835137.74555
Area 2.6311508973929E+15

Sphere

Radius = n
Volume 1.0152720580756E+23
Surface area 1.0524603589572E+16
Circumference 181835137.74555

Square

Length = n
Perimeter 115759844
Area 837521342681521
Diagonal 40927285.340748

Cube

Length = n
Surface area 5025128056089126
Volume 2.4237834993871E+22
Space diagonal 50125482.821062

Equilateral Triangle

Length = n
Perimeter 86819883
Area 3.6265737948692E+14
Altitude 25062741.410531

Triangular Pyramid

Length = n
Surface area 3.6265737948692E+14
Volume 2.8564562475744E+21
Height 13642428.446916