28420121 (number)

28420121 is an odd 8-digits composite number following 28420120 and preceding 28420122. In scientific notation, it is written as 2.8420121 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 28322832 positive integers (up to 28420121) that are relatively prime to 28420121.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8420121 × 10^7
Engineering notation 2.8420121 × 10^6

Prime Factorization of 28420121

Prime Factorization 293 × 96997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28420121
Product of the distinct prime numbers

The prime factorization of 28420121 is 293 × 96997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28420121)

Multiplication

n×y
n×2 56840242
n×3 85260363
n×4 113680484
n×5 142100605

Division

n÷y
n÷2 14210060.5
n÷3 9473373.6666667
n÷3 7105030.25
n÷5 5684024.2

Exponentiation

ny
n2 807703277654641
n3 2.2955024883041E+22
n4 6.5238458473405E+29
n5 1.8540848836676E+37

Nth Root

y√n
2√n 5331.0525227201
3√n 305.17009593022
4√n 73.014057021371
5√n 30.954599155982

Divisors of 28420121

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 -28420120
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 28420121 can be divided by 4 positive divisors. The sum of these divisors (counting 28420121) is 1, the average is 0.25.

Base conversion 28420121

Base System Value
2 Binary 1101100011010100000011001
3 Ternary 1222110220002002
4 Quaternary 1230122200121
5 Quinary 24233420441
6 Senary 2453050345
8 Octal 154324031
10 Decimal 28420121
12 Duodecimal 96269b5
16 Hexadecimal 1b1a819
20 Vigesimal 8hca61
36 Base36 gx53t

Cryptographic Hash Functions

md5 782ddcf000f83dd41c85dbf1ff0f18ec
sha1 988e84ea47170461ab18b5f800327a30439da66c
sha256 69ac6bca61590b1a3214381ddd4d7da219c487333d3c73017a05ca479cb5ef3f
sha512 13974fd990d352a91333fea0675a57d90c629bf33882dcca8242b6620004cee5b29f86da74e6837ac03df14f175c2d27e8abf90c0ca8cf715ef6dd069ea7585c
ripemd-160 cdcd12fbd368537952e1fa77b1aa80dfbe374a58

28420121 as geometric shapes

Circle

Radius = n
Diameter 56840242
Circumference 178568886.69547
Area 2.5374746833602E+15

Sphere

Radius = n
Volume 9.6153783380712E+22
Surface area 1.0149898733441E+16
Circumference 178568886.69547

Square

Length = n
Perimeter 113680484
Area 807703277654641
Diagonal 40192120.562484

Cube

Length = n
Surface area 4846219665927846
Volume 2.2955024883041E+22
Space diagonal 49225093.529255

Equilateral Triangle

Length = n
Perimeter 85260363
Area 3.4974577858444E+14
Altitude 24612546.764628

Triangular Pyramid

Length = n
Surface area 3.4974577858444E+14
Volume 2.7052756261841E+21
Height 13397373.520828