28012961 (number)

28012961 is an odd 8-digits composite number following 28012960 and preceding 28012962. In scientific notation, it is written as 2.8012961 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 27998400 positive integers (up to 28012961) that are relatively prime to 28012961.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8012961 × 10^7
Engineering notation 2.8012961 × 10^6

Prime Factorization of 28012961

Prime Factorization 2281 × 12281

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28012961
Product of the distinct prime numbers

The prime factorization of 28012961 is 2281 × 12281. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28012961)

Multiplication

n×y
n×2 56025922
n×3 84038883
n×4 112051844
n×5 140064805

Division

n÷y
n÷2 14006480.5
n÷3 9337653.6666667
n÷3 7003240.25
n÷5 5602592.2

Exponentiation

ny
n2 784725983987521
n3 2.1982498385129E+22
n4 6.1579486994518E+29
n5 1.7250237675774E+37

Nth Root

y√n
2√n 5292.7271798195
3√n 303.70574380483
4√n 72.751131811261
5√n 30.865392448905

Divisors of 28012961

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 -28012960
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 28012961 can be divided by 4 positive divisors. The sum of these divisors (counting 28012961) is 1, the average is 0.25.

Base conversion 28012961

Base System Value
2 Binary 1101010110111000110100001
3 Ternary 1221201012120002
4 Quaternary 1222313012201
5 Quinary 24132403321
6 Senary 2440225345
8 Octal 152670641
10 Decimal 28012961
12 Duodecimal 946b255
16 Hexadecimal 1ab71a1
20 Vigesimal 8f1c81
36 Base36 goext

Cryptographic Hash Functions

md5 f5758ff323e3cdb515286b285f4fb7df
sha1 1e007b126704826cf4b55207ad4034bfc8816de4
sha256 3ac06e4a610803bebfd40f6dcc5f0ab914b7be7ee606b19b0bf19d5786b4ead8
sha512 a8dce6fb896ada5d121f20a21465b52b1293107c038228ed7403612883f22ed833ae922a6a4864f173dffb07e02517e9c59634950f11b12272d763480e2cf652
ripemd-160 f7493d9f63fc435d08fa9a00528a0b238f7b90cd

28012961 as geometric shapes

Circle

Radius = n
Diameter 56025922
Circumference 176010624.96579
Area 2.4652893863762E+15

Sphere

Radius = n
Volume 9.2080073912361E+22
Surface area 9.8611575455049E+15
Circumference 176010624.96579

Square

Length = n
Perimeter 112051844
Area 784725983987521
Diagonal 39616309.368429

Cube

Length = n
Surface area 4708355903925126
Volume 2.1982498385129E+22
Space diagonal 48519871.722445

Equilateral Triangle

Length = n
Perimeter 84038883
Area 3.3979631857147E+14
Altitude 24259935.861223

Triangular Pyramid

Length = n
Surface area 3.3979631857147E+14
Volume 2.5906622792578E+21
Height 13205436.456143