21489061 (number)

21489061 is an odd 8-digits composite number following 21489060 and preceding 21489062. In scientific notation, it is written as 2.1489061 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 18532800 positive integers (up to 21489061) that are relatively prime to 21489061.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred eighty-nine thousand sixty-one

Notation

Scientific notation 2.1489061 × 10^7
Engineering notation 2.1489061 × 10^6

Prime Factorization of 21489061

Prime Factorization 11 × 23 × 157 × 541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21489061
Product of the distinct prime numbers

The prime factorization of 21489061 is 11 × 23 × 157 × 541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21489061)

Multiplication

n×y
n×2 42978122
n×3 64467183
n×4 85956244
n×5 107445305

Division

n÷y
n÷2 10744530.5
n÷3 7163020.3333333
n÷3 5372265.25
n÷5 4297812.2

Exponentiation

ny
n2 461779742661721
n3 9.923213058622E+21
n4 2.1324053073273E+29
n5 4.5823387725879E+36

Nth Root

y√n
2√n 4635.6295149634
3√n 278.01772138295
4√n 68.085457441097
5√n 29.271399545746

Divisors of 21489061

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21489060
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21489061 can be divided by 16 positive divisors. The sum of these divisors (counting 21489061) is 1, the average is 0.0625.

Base conversion 21489061

Base System Value
2 Binary 1010001111110010110100101
3 Ternary 1111102202110011
4 Quaternary 1101332112211
5 Quinary 21000122221
6 Senary 2044330221
8 Octal 121762645
10 Decimal 21489061
12 Duodecimal 7243971
16 Hexadecimal 147e5a5
20 Vigesimal 6e62d1
36 Base36 csl2d

Cryptographic Hash Functions

md5 cd61dab8393319ef92ce100f6929f289
sha1 967aa0cbf2df3655c21e13dadfe18cd4f27d75c9
sha256 c2868cf254de2255350f716d07f854739486c678962ac81c1640e083b0a41094
sha512 4b7f35a57b1a42d514e921f1bae90c1316117707c95728497bf81fa13809d04ee40eba4c1de71ac089de371b3cbe023e1c088d6a96552b1ee46ab88757e5a5db
ripemd-160 1e0c61b7079f471420eb8a2ee0995d9e7ce98b2e

21489061 as geometric shapes

Circle

Radius = n
Diameter 42978122
Circumference 135019752.34029
Area 1.4507238471226E+15

Sphere

Radius = n
Volume 4.1566257659964E+22
Surface area 5.8028953884906E+15
Circumference 135019752.34029

Square

Length = n
Perimeter 85956244
Area 461779742661721
Diagonal 30390121.508863

Cube

Length = n
Surface area 2770678455970326
Volume 9.923213058622E+21
Space diagonal 37220145.458947

Equilateral Triangle

Length = n
Perimeter 64467183
Area 1.9995649404905E+14
Altitude 18610072.729473

Triangular Pyramid

Length = n
Surface area 1.9995649404905E+14
Volume 1.1694618741518E+21
Height 10130040.502954