21458081 (number)

21458081 is an odd 8-digits prime number following 21458080 and preceding 21458082. In scientific notation, it is written as 2.1458081 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 21458080 positive integers (up to 21458081) that are relatively prime to 21458081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1458081 × 10^7
Engineering notation 2.1458081 × 10^6

Prime Factorization of 21458081

Prime Factorization 21458081

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21458081
Product of the distinct prime numbers

The prime factorization of 21458081 is 21458081. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21458081)

Multiplication

n×y
n×2 42916162
n×3 64374243
n×4 85832324
n×5 107290405

Division

n÷y
n÷2 10729040.5
n÷3 7152693.6666667
n÷3 5364520.25
n÷5 4291616.2

Exponentiation

ny
n2 460449240202561
n3 9.880357092655E+21
n4 2.1201350280312E+29
n5 4.549402916243E+36

Nth Root

y√n
2√n 4632.2868002748
3√n 277.88405443898
4√n 68.06090507975
5√n 29.262954771476

Divisors of 21458081

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21458082
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10729041
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4632.2869082128
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999906795
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21458081 can be divided by 2 positive divisors. The sum of these divisors (counting 21458081) is 21458082, the average is 10729041.

Base conversion 21458081

Base System Value
2 Binary 1010001110110110010100001
3 Ternary 1111101011221202
4 Quaternary 1101312302201
5 Quinary 20443124311
6 Senary 2043530545
8 Octal 121666241
10 Decimal 21458081
12 Duodecimal 7229a55
16 Hexadecimal 1476ca1
20 Vigesimal 6e2541
36 Base36 crx5t

Cryptographic Hash Functions

md5 6f600b3f76d669491be32de004f6b640
sha1 37ebd41f286f1961699325d41c7d9af4b2bb5fce
sha256 0b3053a3d3d60a277b436994a5775cae918369b5efead55cec3cdacf845148cb
sha512 63589de3134b61abfc216dd0fa650ff6160d89fc8f4ffc10f77605a0e34237b1fc5966d88fbfa8db5ac76780e0b82ca638a113f6021a8d4da40879f096ef1f3b
ripemd-160 b7ac9802d18a7345d3f2b020015723f6856c6f21

21458081 as geometric shapes

Circle

Radius = n
Diameter 42916162
Circumference 134825099.25947
Area 1.4465439503714E+15

Sphere

Radius = n
Volume 4.1386743009505E+22
Surface area 5.7861758014855E+15
Circumference 134825099.25947

Square

Length = n
Perimeter 85832324
Area 460449240202561
Diagonal 30346309.1727

Cube

Length = n
Surface area 2762695441215366
Volume 9.880357092655E+21
Space diagonal 37166486.524928

Equilateral Triangle

Length = n
Perimeter 64374243
Area 1.9938036958433E+14
Altitude 18583243.262464

Triangular Pyramid

Length = n
Surface area 1.9938036958433E+14
Volume 1.1644112501268E+21
Height 10115436.3909