28406921 (number)

28406921 is an odd 8-digits composite number following 28406920 and preceding 28406922. In scientific notation, it is written as 2.8406921 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 27427344 positive integers (up to 28406921) that are relatively prime to 28406921.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred six thousand nine hundred twenty-one

Notation

Scientific notation 2.8406921 × 10^7
Engineering notation 2.8406921 × 10^6

Prime Factorization of 28406921

Prime Factorization 29 × 979549

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28406921
Product of the distinct prime numbers

The prime factorization of 28406921 is 29 × 979549. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28406921)

Multiplication

n×y
n×2 56813842
n×3 85220763
n×4 113627684
n×5 142034605

Division

n÷y
n÷2 14203460.5
n÷3 9468973.6666667
n÷3 7101730.25
n÷5 5681384.2

Exponentiation

ny
n2 806953160700241
n3 2.2923054686712E+22
n4 6.5117340356411E+29
n5 1.8497831432347E+37

Nth Root

y√n
2√n 5329.8143494872
3√n 305.12284221304
4√n 73.00557752314
5√n 30.951723189047

Divisors of 28406921

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 -28406920
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 28406921 can be divided by 4 positive divisors. The sum of these divisors (counting 28406921) is 1, the average is 0.25.

Base conversion 28406921

Base System Value
2 Binary 1101100010111010010001001
3 Ternary 1222110012222012
4 Quaternary 1230113102021
5 Quinary 24233010141
6 Senary 2452505305
8 Octal 154272211
10 Decimal 28406921
12 Duodecimal 961b235
16 Hexadecimal 1b17489
20 Vigesimal 8hah61
36 Base36 gwux5

Cryptographic Hash Functions

md5 f42ae8bfb34bb59536c781d811c8492c
sha1 8b90ed270d5cf105060db51a31dfba507804559b
sha256 adda5f7d66ff46f0e66565ee1ee5af5b09e9b19e1c2cd5bec88b43cc427a8adf
sha512 4aa7af296b4d2b894cf06b50a7433fc867cf9323b95cf2854812398b276ba7512d3692513ddb65f763f24ee54066797cab4ccc465c82387377eb122cfb738b5b
ripemd-160 bfad43f8e848ba6aa64e61a6195d321b9685021e

28406921 as geometric shapes

Circle

Radius = n
Diameter 56813842
Circumference 178485948.64941
Area 2.5351181214469E+15

Sphere

Radius = n
Volume 9.6019866935482E+22
Surface area 1.0140472485788E+16
Circumference 178485948.64941

Square

Length = n
Perimeter 113627684
Area 806953160700241
Diagonal 40173452.943461

Cube

Length = n
Surface area 4841718964201446
Volume 2.2923054686712E+22
Space diagonal 49202230.458595

Equilateral Triangle

Length = n
Perimeter 85220763
Area 3.4942096841528E+14
Altitude 24601115.229298

Triangular Pyramid

Length = n
Surface area 3.4942096841528E+14
Volume 2.701507902414E+21
Height 13391150.981154