21493537 (number)

21493537 is an odd 8-digits composite number following 21493536 and preceding 21493538. In scientific notation, it is written as 2.1493537 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 19800720 positive integers (up to 21493537) that are relatively prime to 21493537.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand five hundred thirty-seven

Notation

Scientific notation 2.1493537 × 10^7
Engineering notation 2.1493537 × 10^6

Prime Factorization of 21493537

Prime Factorization 13 × 619 × 2671

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21493537
Product of the distinct prime numbers

The prime factorization of 21493537 is 13 × 619 × 2671. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 56, 17, 807, 40, 635, 3950, 4063, 62428, 63375, 444988, 8575021, 5893333, 90772999, 12747214, 792986964, 862316749, 3407223872, 8545648791

Basic calculations (n = 21493537)

Multiplication

n×y
n×2 42987074
n×3 64480611
n×4 85974148
n×5 107467685

Division

n÷y
n÷2 10746768.5
n÷3 7164512.3333333
n÷3 5373384.25
n÷5 4298707.4

Exponentiation

ny
n2 461972132770369
n3 9.9294151286688E+21
n4 2.134182514564E+29
n5 4.5871130841535E+36

Nth Root

y√n
2√n 4636.1122721522
3√n 278.03702300081
4√n 68.089002578626
5√n 29.272618843971

Divisors of 21493537

1, 13, 619, 2671, 8047, 34723, 1653349, 21493537

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493536
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493537 can be divided by 8 positive divisors. The sum of these divisors (counting 21493537) is 1, the average is 0.125.

Base conversion 21493537

Base System Value
2 Binary 1010001111111011100100001
3 Ternary 1111102222120221
4 Quaternary 1101333130201
5 Quinary 21000243122
6 Senary 2044403041
8 Octal 121773441
10 Decimal 21493537
12 Duodecimal 7246481
16 Hexadecimal 147f721
20 Vigesimal 6e6dgh
36 Base36 csoip

Cryptographic Hash Functions

md5 d533d232d1ac2804e09638cef557ea10
sha1 bd8e21a3557a8abec477f1448ae4d491f66ad14c
sha256 f7505b16e601524ecaee52783f42fcea6aca5d9d5f3f6c6c6deba1c34d215a9c
sha512 ead3bce6bb09893162a4de37a798b2d697d1d13df237766fd87731c54e07dae4d5c09d4a4ccb47ce15e52615d7f5744ec692d7c5514b5cd8a2b7e5de23cfbae2
ripemd-160 d81cb65176c6266816db01d26ab2ce9c6f1e50da

21493537 as geometric shapes

Circle

Radius = n
Diameter 42987074
Circumference 135047875.87772
Area 1.4513282584746E+15

Sphere

Radius = n
Volume 4.1592236830226E+22
Surface area 5.8053130338984E+15
Circumference 135047875.87772

Square

Length = n
Perimeter 85974148
Area 461972132770369
Diagonal 30396451.528768

Cube

Length = n
Surface area 2771832796622214
Volume 9.9294151286688E+21
Space diagonal 37227898.118362

Equilateral Triangle

Length = n
Perimeter 64480611
Area 2.0003980140981E+14
Altitude 18613949.059181

Triangular Pyramid

Length = n
Surface area 2.0003980140981E+14
Volume 1.1701927951163E+21
Height 10132150.509589