21491832 (number)

21491832 is an even 8-digits composite number following 21491831 and preceding 21491833. In scientific notation, it is written as 2.1491832 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 7138560 positive integers (up to 21491832) that are relatively prime to 21491832.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491832 × 10^7
Engineering notation 2.1491832 × 10^6

Prime Factorization of 21491832

Prime Factorization 2 × 2 × 2 × 3 × 313 × 2861

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5372958
Product of the distinct prime numbers

The prime factorization of 21491832 is 2 × 2 × 2 × 3 × 313 × 2861. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 5, 18, 83, 653, 134, 9815, 5720, 70661, 27397, 690235, 298773, 8171637, 3576069, 58708476, 76878930, 957871533, 685954873, 7794897393, 1433214376

Basic calculations (n = 21491832)

Multiplication

n×y
n×2 42983664
n×3 64475496
n×4 85967328
n×5 107459160

Division

n÷y
n÷2 10745916
n÷3 7163944
n÷3 5372958
n÷5 4298366.4

Exponentiation

ny
n2 461898842716224
n3 9.9270523286515E+21
n4 2.1335054090259E+29
n5 4.5852939821875E+36

Nth Root

y√n
2√n 4635.928385987
3√n 278.02967093555
4√n 68.087652228484
5√n 29.272154412278

Divisors of 21491832

1, 2, 3, 4, 6, 8, 12, 24, 313, 626, 939, 1252, 1878, 2504, 2861, 3756, 5722, 7512, 8583, 11444, 17166, 22888, 34332, 68664, 895493, 1790986, 2686479, 3581972, 5372958, 7163944, 10745916, 21491832

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491831
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491832 can be divided by 32 positive divisors. The sum of these divisors (counting 21491832) is 1, the average is 0.03125.

Base conversion 21491832

Base System Value
2 Binary 1010001111111000001111000
3 Ternary 1111102220020210
4 Quaternary 1101333001320
5 Quinary 21000214312
6 Senary 2044351120
8 Octal 121770170
10 Decimal 21491832
12 Duodecimal 72454a0
16 Hexadecimal 147f078
20 Vigesimal 6e69bc
36 Base36 csn7c

Cryptographic Hash Functions

md5 4d67b1dd83f3a07ee95cc54bc2ffa57e
sha1 43f8716047a54b3ad510f41b4d6776f07c23c73e
sha256 23038fc106e9f71c6b572f3c8f53589b1d5e9e5a102a6734f49e37ea41b72fba
sha512 2e79f86676571f22bc4a57f16cc842701af1114b921f01332b106e0508d3fd2e49fa5c6b1d5cdd33cba1bb8a0103c8d0ecbe3b6490a534a573dc336f351f62b9
ripemd-160 c714f9fdc46af0c9c33e86d3c4a33817c3459364

21491832 as geometric shapes

Circle

Radius = n
Diameter 42983664
Circumference 135037163.04677
Area 1.4510980109789E+15

Sphere

Radius = n
Volume 4.1582339556657E+22
Surface area 5.8043920439157E+15
Circumference 135037163.04677

Square

Length = n
Perimeter 85967328
Area 461898842716224
Diagonal 30394040.294644

Cube

Length = n
Surface area 2771393056297344
Volume 9.9270523286515E+21
Space diagonal 37224944.971735

Equilateral Triangle

Length = n
Perimeter 64475496
Area 2.0000806588544E+14
Altitude 18612472.485867

Triangular Pyramid

Length = n
Surface area 2.0000806588544E+14
Volume 1.1699143364639E+21
Height 10131346.764881