21551513 (number)

21551513 is an odd 8-digits composite number following 21551512 and preceding 21551514. In scientific notation, it is written as 2.1551513 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 21524688 positive integers (up to 21551513) that are relatively prime to 21551513.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand five hundred thirteen

Notation

Scientific notation 2.1551513 × 10^7
Engineering notation 2.1551513 × 10^6

Prime Factorization of 21551513

Prime Factorization 829 × 25997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21551513
Product of the distinct prime numbers

The prime factorization of 21551513 is 829 × 25997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551513)

Multiplication

n×y
n×2 43103026
n×3 64654539
n×4 86206052
n×5 107757565

Division

n÷y
n÷2 10775756.5
n÷3 7183837.6666667
n÷3 5387878.25
n÷5 4310302.6

Exponentiation

ny
n2 464467712589169
n3 1.0009981945946E+22
n4 2.1573025603781E+29
n5 4.6493134174923E+36

Nth Root

y√n
2√n 4642.3607141195
3√n 278.28678804623
4√n 68.134871498517
5√n 29.288393643772

Divisors of 21551513

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 -21551512
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 21551513 can be divided by 4 positive divisors. The sum of these divisors (counting 21551513) is 1, the average is 0.25.

Base conversion 21551513

Base System Value
2 Binary 1010010001101100110011001
3 Ternary 1111112221010012
4 Quaternary 1102031212121
5 Quinary 21004122023
6 Senary 2045531305
8 Octal 122154631
10 Decimal 21551513
12 Duodecimal 7273b35
16 Hexadecimal 148d999
20 Vigesimal 6edifd
36 Base36 ctx95

Cryptographic Hash Functions

md5 faea22d2a4d0c94f68bf0c4a4b26bdcb
sha1 704c5ba102bc1aa56e84f121ab4a6d446a2332f2
sha256 ae4c067924c3b4639fa9caa468ef07733ce2954b08af9d400ce1dd707a2f3845
sha512 b61eb7648900a28e257a61dbbdc402044fb30c6283b7dca332e1c28e5728467076e5fba37590ff9029482801c771c98b5648e8607d39286c2bae643923a88127
ripemd-160 19502fd8f818a04d9beb47ffa4c4a56a920991a5

21551513 as geometric shapes

Circle

Radius = n
Diameter 43103026
Circumference 135412149.82909
Area 1.4591683536998E+15

Sphere

Radius = n
Volume 4.1929714325266E+22
Surface area 5.8366734147992E+15
Circumference 135412149.82909

Square

Length = n
Perimeter 86206052
Area 464467712589169
Diagonal 30478441.97426

Cube

Length = n
Surface area 2786806275535014
Volume 1.0009981945946E+22
Space diagonal 37328315.495981

Equilateral Triangle

Length = n
Perimeter 64654539
Area 2.0112041916993E+14
Altitude 18664157.747991

Triangular Pyramid

Length = n
Surface area 2.0112041916993E+14
Volume 1.1796876855889E+21
Height 10159480.658087