21492521 (number)

21492521 is an odd 8-digits composite number following 21492520 and preceding 21492522. In scientific notation, it is written as 2.1492521 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 21250944 positive integers (up to 21492521) that are relatively prime to 21492521.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492521 × 10^7
Engineering notation 2.1492521 × 10^6

Prime Factorization of 21492521

Prime Factorization 89 × 241489

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492521
Product of the distinct prime numbers

The prime factorization of 21492521 is 89 × 241489. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492521)

Multiplication

n×y
n×2 42985042
n×3 64477563
n×4 85970084
n×5 107462605

Division

n÷y
n÷2 10746260.5
n÷3 7164173.6666667
n÷3 5373130.25
n÷5 4298504.2

Exponentiation

ny
n2 461928458935441
n3 9.9280071041676E+21
n4 2.1337790117447E+29
n5 4.5860290219283E+36

Nth Root

y√n
2√n 4636.0026962891
3√n 278.0326419929
4√n 68.088197922174
5√n 29.272342095261

Divisors of 21492521

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 -21492520
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 21492521 can be divided by 4 positive divisors. The sum of these divisors (counting 21492521) is 1, the average is 0.25.

Base conversion 21492521

Base System Value
2 Binary 1010001111111001100101001
3 Ternary 1111102221012022
4 Quaternary 1101333030221
5 Quinary 21000230041
6 Senary 2044354225
8 Octal 121771451
10 Decimal 21492521
12 Duodecimal 7245975
16 Hexadecimal 147f329
20 Vigesimal 6e6b61
36 Base36 csnqh

Cryptographic Hash Functions

md5 64911b2a5fde8c3ad8bd6210e888617f
sha1 3ef005b1975962e6655473c2b38c3bf55c4423dd
sha256 b75809277c43ee43eb8c6654cf01a4c2b073fa28903f99e818847891dd1bb017
sha512 0e7b8216db72f4c2d8ed8278d15a779d96f3c7adb01a7c5f1acdd1030164199dfd51e5a5dd5519aab1303845190aa3e3d9fda521299389c7fb709d1956e951f7
ripemd-160 875adf2252e8a4a6fe7710dba89d760d0daeb14f

21492521 as geometric shapes

Circle

Radius = n
Diameter 42985042
Circumference 135041492.16145
Area 1.4511910530756E+15

Sphere

Radius = n
Volume 4.1586338910987E+22
Surface area 5.8047642123025E+15
Circumference 135041492.16145

Square

Length = n
Perimeter 85970084
Area 461928458935441
Diagonal 30395014.687789

Cube

Length = n
Surface area 2771570753612646
Volume 9.9280071041676E+21
Space diagonal 37226138.354741

Equilateral Triangle

Length = n
Perimeter 64477563
Area 2.0002089008454E+14
Altitude 18613069.177371

Triangular Pyramid

Length = n
Surface area 2.0002089008454E+14
Volume 1.1700268578375E+21
Height 10131671.562596