28942949 (number)

28942949 is an odd 8-digits composite number following 28942948 and preceding 28942950. In scientific notation, it is written as 2.8942949 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 24808236 positive integers (up to 28942949) that are relatively prime to 28942949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8942949 × 10^7
Engineering notation 2.8942949 × 10^6

Prime Factorization of 28942949

Prime Factorization 7 × 4134707

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28942949
Product of the distinct prime numbers

The prime factorization of 28942949 is 7 × 4134707. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28942949)

Multiplication

n×y
n×2 57885898
n×3 86828847
n×4 115771796
n×5 144714745

Division

n÷y
n÷2 14471474.5
n÷3 9647649.6666667
n÷3 7235737.25
n÷5 5788589.8

Exponentiation

ny
n2 837694296816601
n3 2.4245343310354E+22
n4 7.0173173491906E+29
n5 2.0310185815444E+37

Nth Root

y√n
2√n 5379.8651470088
3√n 307.03008048403
4√n 73.347564015506
5√n 31.067660873957

Divisors of 28942949

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 -28942948
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 28942949 can be divided by 4 positive divisors. The sum of these divisors (counting 28942949) is 1, the average is 0.25.

Base conversion 28942949

Base System Value
2 Binary 1101110011010001001100101
3 Ternary 2000110110021002
4 Quaternary 1232122021211
5 Quinary 24402133244
6 Senary 2512203045
8 Octal 156321145
10 Decimal 28942949
12 Duodecimal 9839485
16 Hexadecimal 1b9a265
20 Vigesimal 90hh79
36 Base36 h8cit

Cryptographic Hash Functions

md5 dd1f4c490cff33905efd54e479f845f7
sha1 c959b15a15de2e2e092de89271b0a726d3713918
sha256 c3a8de57528ac0a8325c6300e41ab2e64a2e9c3579b28e13b2ba7b0bf063a7f8
sha512 fb91147e97992c1c03f580f800d8bbb3dc63150f9cb4ea23721d4ea61523825328405c717a225e17068dd8d721a0aa9cf73cfe47e6590a5b82072804d73ef9c8
ripemd-160 3152be973a007e2291fa8c9d630bc03fafa06ad3

28942949 as geometric shapes

Circle

Radius = n
Diameter 57885898
Circumference 181853911.90325
Area 2.6316942488331E+15

Sphere

Radius = n
Volume 1.0155865657009E+23
Surface area 1.0526776995332E+16
Circumference 181853911.90325

Square

Length = n
Perimeter 115771796
Area 837694296816601
Diagonal 40931511.010873

Cube

Length = n
Surface area 5026165780899606
Volume 2.4245343310354E+22
Space diagonal 50130658.188875

Equilateral Triangle

Length = n
Perimeter 86828847
Area 3.6273227082426E+14
Altitude 25065329.094437

Triangular Pyramid

Length = n
Surface area 3.6273227082426E+14
Volume 2.8573411111578E+21
Height 13643837.003624