21531689 (number)

21531689 is an odd 8-digits prime number following 21531688 and preceding 21531690. In scientific notation, it is written as 2.1531689 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 21531688 positive integers (up to 21531689) that are relatively prime to 21531689.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-one thousand six hundred eighty-nine

Notation

Scientific notation 2.1531689 × 10^7
Engineering notation 2.1531689 × 10^6

Prime Factorization of 21531689

Prime Factorization 21531689

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21531689
Product of the distinct prime numbers

The prime factorization of 21531689 is 21531689. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21531689)

Multiplication

n×y
n×2 43063378
n×3 64595067
n×4 86126756
n×5 107658445

Division

n÷y
n÷2 10765844.5
n÷3 7177229.6666667
n÷3 5382922.25
n÷5 4306337.8

Exponentiation

ny
n2 463613631192721
n3 9.9823845230024E+21
n4 2.149375990277E+29
n5 4.6279695366711E+36

Nth Root

y√n
2√n 4640.2251022984
3√n 278.20143518852
4√n 68.11919775143
5√n 29.28300351768

Divisors of 21531689

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21531690
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10765845
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4640.2252100518
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999071137
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21531689 can be divided by 2 positive divisors. The sum of these divisors (counting 21531689) is 21531690, the average is 10765845.

Base conversion 21531689

Base System Value
2 Binary 1010010001000110000101001
3 Ternary 1111111220220222
4 Quaternary 1102020300221
5 Quinary 21003003224
6 Senary 2045255425
8 Octal 122106051
10 Decimal 21531689
12 Duodecimal 7264575
16 Hexadecimal 1488c29
20 Vigesimal 6eb949
36 Base36 cthyh

Cryptographic Hash Functions

md5 bf04f4e12aede0986c27d117ae1863eb
sha1 88ede46f02c1c5cd0e21e73f131e0cdd390c7c3a
sha256 311cbdd1bb0bef37e173ba31676f9ef9e886995fcbae0fbe47812cb6e66198a5
sha512 8edabcc9422621c960eaa68573be4a9ac8fe371615626c20cd5befeef0048ff4fa7d37bc13d91612d41c6f700359b26c82dc766b310eedd9511f2fbce980ca3c
ripemd-160 9f991a1fd8d39731e42c24abef6e3931c625f429

21531689 as geometric shapes

Circle

Radius = n
Diameter 43063378
Circumference 135287591.96356
Area 1.4564851778591E+15

Sphere

Radius = n
Volume 4.1814114510364E+22
Surface area 5.8259407114366E+15
Circumference 135287591.96356

Square

Length = n
Perimeter 86126756
Area 463613631192721
Diagonal 30450406.6046

Cube

Length = n
Surface area 2781681787156326
Volume 9.9823845230024E+21
Space diagonal 37293979.320772

Equilateral Triangle

Length = n
Perimeter 64595067
Area 2.0075059107682E+14
Altitude 18646989.660386

Triangular Pyramid

Length = n
Surface area 2.0075059107682E+14
Volume 1.1764352981044E+21
Height 10150135.534867