21492015 (number)

21492015 is an odd 8-digits composite number following 21492014 and preceding 21492016. In scientific notation, it is written as 2.1492015 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 11462400 positive integers (up to 21492015) that are relatively prime to 21492015.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand fifteen

Notation

Scientific notation 2.1492015 × 10^7
Engineering notation 2.1492015 × 10^6

Prime Factorization of 21492015

Prime Factorization 15 × 1432801

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492015
Product of the distinct prime numbers

The prime factorization of 21492015 is 15 × 1432801. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492015)

Multiplication

n×y
n×2 42984030
n×3 64476045
n×4 85968060
n×5 107460075

Division

n÷y
n÷2 10746007.5
n÷3 7164005
n÷3 5373003.75
n÷5 4298403

Exponentiation

ny
n2 461906708760225
n3 9.9273059132754E+21
n4 2.133578075977E+29
n5 4.585489201257E+36

Nth Root

y√n
2√n 4635.948123092
3√n 278.03046006148
4√n 68.087797167275
5√n 29.272204261784

Divisors of 21492015

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 -21492014
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 21492015 can be divided by 4 positive divisors. The sum of these divisors (counting 21492015) is 1, the average is 0.25.

Base conversion 21492015

Base System Value
2 Binary 1010001111111000100101111
3 Ternary 1111102220111120
4 Quaternary 1101333010233
5 Quinary 21000221030
6 Senary 2044352023
8 Octal 121770457
10 Decimal 21492015
12 Duodecimal 7245613
16 Hexadecimal 147f12f
20 Vigesimal 6e6a0f
36 Base36 csncf

Cryptographic Hash Functions

md5 cab83211508841cc69888783e562003d
sha1 df5b81516eef2bafbaae4b3268ec7bb494a422ce
sha256 16fa7ce398e165d7144fdefae2c88b69ff9089c97d2ac979ffe3a0ca6adf462b
sha512 461b9f101b7fd53124551589db8b4b05094b333a8a0853601878a921b4bcb1258b47d5ce028c7702a2ba594dd5014c9fd95626d55647255698fa297ed236a419
ripemd-160 3e3d4744130a565938002d8e1f1c0147ed4f03c1

21492015 as geometric shapes

Circle

Radius = n
Diameter 42984030
Circumference 135038312.86968
Area 1.451122722885E+15

Sphere

Radius = n
Volume 4.1583401769446E+22
Surface area 5.8044908915399E+15
Circumference 135038312.86968

Square

Length = n
Perimeter 85968060
Area 461906708760225
Diagonal 30394299.095726

Cube

Length = n
Surface area 2771440252561350
Volume 9.9273059132754E+21
Space diagonal 37225261.937032

Equilateral Triangle

Length = n
Perimeter 64476045
Area 2.0001147198241E+14
Altitude 18612630.968516

Triangular Pyramid

Length = n
Surface area 2.0001147198241E+14
Volume 1.1699442216984E+21
Height 10131433.031909