21491932 (number)

21491932 is an even 8-digits composite number following 21491931 and preceding 21491933. In scientific notation, it is written as 2.1491932 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 8373360 positive integers (up to 21491932) that are relatively prime to 21491932.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand nine hundred thirty-two

Notation

Scientific notation 2.1491932 × 10^7
Engineering notation 2.1491932 × 10^6

Prime Factorization of 21491932

Prime Factorization 2 × 2 × 7 × 11 × 69779

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10745966
Product of the distinct prime numbers

The prime factorization of 21491932 is 2 × 2 × 7 × 11 × 69779. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 5, 6, 72, 368, 963, 6020, 8935, 90318, 74517, 380981, 343384, 8295756, 4466898, 93473364, 73662178, 39849256, 15620615, 6231800280, 9186088295

Basic calculations (n = 21491932)

Multiplication

n×y
n×2 42983864
n×3 64475796
n×4 85967728
n×5 107459660

Division

n÷y
n÷2 10745966
n÷3 7163977.3333333
n÷3 5372983
n÷5 4298386.4

Exponentiation

ny
n2 461903141092624
n3 9.9271908989491E+21
n4 2.1335451175123E+29
n5 4.5854006584507E+36

Nth Root

y√n
2√n 4635.9391713007
3√n 278.03010215246
4√n 68.087731430124
5√n 29.272181652487

Divisors of 21491932

1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 69779, 139558, 279116, 488453, 767569, 976906, 1535138, 1953812, 3070276, 5372983, 10745966, 21491932

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491931
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491932 can be divided by 24 positive divisors. The sum of these divisors (counting 21491932) is 1, the average is 0.041666666666667.

Base conversion 21491932

Base System Value
2 Binary 1010001111111000011011100
3 Ternary 1111102220101111
4 Quaternary 1101333003130
5 Quinary 21000220212
6 Senary 2044351404
8 Octal 121770334
10 Decimal 21491932
12 Duodecimal 7245564
16 Hexadecimal 147f0dc
20 Vigesimal 6e69gc
36 Base36 csna4

Cryptographic Hash Functions

md5 e47b93cd0ebe58235579f62f9cc76132
sha1 285fe943e416719580c54734b5e1205c102ae0eb
sha256 11240cc89ee4d4c8df495c06dadf2a728fa6fe208f2c0d597d31963021f6ea2b
sha512 4d6266edb517c549e9bc4b46cfabec7ff8b34533a0ca08fb9206b9133afaf30f38eec9ad2b45aa2a985e7da1ef30c5d7b179e3b9ae22d25ff92a4b8a190d9108
ripemd-160 0364b56c256891d29437b75498d2bdfee96e3f1a

21491932 as geometric shapes

Circle

Radius = n
Diameter 42983864
Circumference 135037791.3653
Area 1.4511115147266E+15

Sphere

Radius = n
Volume 4.1582919998563E+22
Surface area 5.8044460589065E+15
Circumference 135037791.3653

Square

Length = n
Perimeter 85967728
Area 461903141092624
Diagonal 30394181.716

Cube

Length = n
Surface area 2771418846555744
Volume 9.9271908989491E+21
Space diagonal 37225118.176815

Equilateral Triangle

Length = n
Perimeter 64475796
Area 2.0000992713702E+14
Altitude 18612559.088408

Triangular Pyramid

Length = n
Surface area 2.0000992713702E+14
Volume 1.16993066713E+21
Height 10131393.905333