21508732 (number)

21508732 is an even 8-digits composite number following 21508731 and preceding 21508733. In scientific notation, it is written as 2.1508732 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 9218016 positive integers (up to 21508732) that are relatively prime to 21508732.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred eight thousand seven hundred thirty-two

Notation

Scientific notation 2.1508732 × 10^7
Engineering notation 2.1508732 × 10^6

Prime Factorization of 21508732

Prime Factorization 2 × 2 × 7 × 768169

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10754366
Product of the distinct prime numbers

The prime factorization of 21508732 is 2 × 2 × 7 × 768169. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 71, 98, 537, 922, 356, 4011, 27188, 38901, 283554, 912839, 9337383, 125351, 83249864, 91995013, 376542912, 120949610, 5517976972, 5354413480

Basic calculations (n = 21508732)

Multiplication

n×y
n×2 43017464
n×3 64526196
n×4 86034928
n×5 107543660

Division

n÷y
n÷2 10754366
n÷3 7169577.3333333
n÷3 5377183
n÷5 4301746.4

Exponentiation

ny
n2 462625552247824
n3 9.9504890196504E+21
n4 2.140224015926E+29
n5 4.6033504778517E+36

Nth Root

y√n
2√n 4637.7507479381
3√n 278.10252761239
4√n 68.101033383775
5√n 29.276756568866

Divisors of 21508732

1, 2, 4, 7, 14, 28, 768169, 1536338, 3072676, 5377183, 10754366, 21508732

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21508731
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21508732 can be divided by 12 positive divisors. The sum of these divisors (counting 21508732) is 1, the average is 0.083333333333333.

Base conversion 21508732

Base System Value
2 Binary 1010010000011001001111100
3 Ternary 1111110202102201
4 Quaternary 1102003021330
5 Quinary 21001234412
6 Senary 2045001244
8 Octal 122031174
10 Decimal 21508732
12 Duodecimal 7253224
16 Hexadecimal 148327c
20 Vigesimal 6e8bgc
36 Base36 ct08s

Cryptographic Hash Functions

md5 131d4a0ab12b1ddc7b13f795b532ee58
sha1 ef6580f9c77b8a4d4d10ff3ec086c5eaae825b46
sha256 e8be1d62f4abe01c2930bea1229f53b350e562e936e03281e5abdf0ad25417f5
sha512 74243ef28326aee07695c7b8ce134b203413d3cec1f2a8daac01e7fe114500d0b7da100f5daf7d486751ca7a051dd65ea439af5a8edd90172f1c72a46bb74c9c
ripemd-160 fda03b1272cd538ea4515f2efe2b5348409f71b9

21508732 as geometric shapes

Circle

Radius = n
Diameter 43017464
Circumference 135143348.87846
Area 1.4533810363047E+15

Sphere

Radius = n
Volume 4.1680510938346E+22
Surface area 5.8135241452187E+15
Circumference 135143348.87846

Square

Length = n
Perimeter 86034928
Area 462625552247824
Diagonal 30417940.503848

Cube

Length = n
Surface area 2775753313486944
Volume 9.9504890196504E+21
Space diagonal 37254216.630383

Equilateral Triangle

Length = n
Perimeter 64526196
Area 2.0032274034321E+14
Altitude 18627108.315191

Triangular Pyramid

Length = n
Surface area 2.0032274034321E+14
Volume 1.1726763769862E+21
Height 10139313.501283