28490821 (number)

28490821 is an odd 8-digits prime number following 28490820 and preceding 28490822. In scientific notation, it is written as 2.8490821 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 28490820 positive integers (up to 28490821) that are relatively prime to 28490821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8490821 × 10^7
Engineering notation 2.8490821 × 10^6

Prime Factorization of 28490821

Prime Factorization 28490821

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28490821
Product of the distinct prime numbers

The prime factorization of 28490821 is 28490821. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28490821)

Multiplication

n×y
n×2 56981642
n×3 85472463
n×4 113963284
n×5 142454105

Division

n÷y
n÷2 14245410.5
n÷3 9496940.3333333
n÷3 7122705.25
n÷5 5698164.2

Exponentiation

ny
n2 811726881254041
n3 2.3126765274697E+22
n4 6.5890052975041E+29
n5 1.8772617049924E+37

Nth Root

y√n
2√n 5337.6793646678
3√n 305.42294096571
4√n 73.059423517215
5√n 30.969984844909

Divisors of 28490821

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28490822
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14245411
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5337.6794583414
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999929802
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28490821 can be divided by 2 positive divisors. The sum of these divisors (counting 28490821) is 28490822, the average is 14245411.

Base conversion 28490821

Base System Value
2 Binary 1101100101011110001000101
3 Ternary 1222121111001121
4 Quaternary 1230223301011
5 Quinary 24243201241
6 Senary 2454353541
8 Octal 154536105
10 Decimal 28490821
12 Duodecimal 965b8b1
16 Hexadecimal 1b2bc45
20 Vigesimal 8i1711
36 Base36 gynnp

Cryptographic Hash Functions

md5 9fd347171ef2451f7c332311e7f649f0
sha1 fc3ae3ab63296d88f893de1ced75735b3a85fcf7
sha256 6bfab39a94242b3fe76f15edf6ca34005bedb3d6cc2032b1b03f80ff87efa94e
sha512 a92ed7109e86aca67456dbef508c755f808246f487847ad5268a1a5d4684ac7d6483e0e99f05e1c45ff0379eb2d815abac2a5b809f99e2d22b2a95540d5d8b5b
ripemd-160 73a49bf851bbd8bc26aad79304da13c558aecabe

28490821 as geometric shapes

Circle

Radius = n
Diameter 56981642
Circumference 179013107.89668
Area 2.550115206869E+15

Sphere

Radius = n
Volume 9.6873167851045E+22
Surface area 1.0200460827476E+16
Circumference 179013107.89668

Square

Length = n
Perimeter 113963284
Area 811726881254041
Diagonal 40292105.461344

Cube

Length = n
Surface area 4870361287524246
Volume 2.3126765274697E+22
Space diagonal 49347549.52135

Equilateral Triangle

Length = n
Perimeter 85472463
Area 3.5148805005036E+14
Altitude 24673774.760675

Triangular Pyramid

Length = n
Surface area 3.5148805005036E+14
Volume 2.7255154254413E+21
Height 13430701.820448