21491434 (number)

21491434 is an even 8-digits composite number following 21491433 and preceding 21491435. In scientific notation, it is written as 2.1491434 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 10113600 positive integers (up to 21491434) that are relatively prime to 21491434.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491434 × 10^7
Engineering notation 2.1491434 × 10^6

Prime Factorization of 21491434

Prime Factorization 2 × 17 × 632101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491434
Product of the distinct prime numbers

The prime factorization of 21491434 is 2 × 17 × 632101. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491434)

Multiplication

n×y
n×2 42982868
n×3 64474302
n×4 85965736
n×5 107457170

Division

n÷y
n÷2 10745717
n÷3 7163811.3333333
n÷3 5372858.5
n÷5 4298286.8

Exponentiation

ny
n2 461881735376356
n3 9.9265008316464E+21
n4 2.1333473747427E+29
n5 4.5848694303357E+36

Nth Root

y√n
2√n 4635.8854601899
3√n 278.02795467901
4√n 68.087337003219
5√n 29.272045995241

Divisors of 21491434

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 -21491433
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 21491434 can be divided by 8 positive divisors. The sum of these divisors (counting 21491434) is 1, the average is 0.125.

Base conversion 21491434

Base System Value
2 Binary 1010001111110111011101010
3 Ternary 1111102212201001
4 Quaternary 1101332323222
5 Quinary 21000211214
6 Senary 2044345214
8 Octal 121767352
10 Decimal 21491434
12 Duodecimal 724520a
16 Hexadecimal 147eeea
20 Vigesimal 6e68be
36 Base36 csmwa

Cryptographic Hash Functions

md5 98af9e418291b80c1d16500200cd7334
sha1 84acd84723ca7a3f841af40fd996a5ff406b9a8e
sha256 dbc6fdd5afa77fe511e0c71763ad438637ff1ff5280cf87483c934a470902d62
sha512 5da3762bfa6b4cac19aa7cafd670ad9d5d150734cefac9cb86f3e6435559a0fd94b0fab19ae3c4c3bf1b2ab1ee0adedeaf92bfca4560f0f0630caf5d825b6d20
ripemd-160 c9a838aaf6b2ff2b359b911d4a284c1e3e630926

21491434 as geometric shapes

Circle

Radius = n
Diameter 42982868
Circumference 135034662.33902
Area 1.4510442666857E+15

Sphere

Radius = n
Volume 4.1580029451404E+22
Surface area 5.8041770667427E+15
Circumference 135034662.33902

Square

Length = n
Perimeter 85965736
Area 461881735376356
Diagonal 30393477.437646

Cube

Length = n
Surface area 2771290412258136
Volume 9.9265008316464E+21
Space diagonal 37224255.615513

Equilateral Triangle

Length = n
Perimeter 64474302
Area 2.0000065818998E+14
Altitude 18612127.807757

Triangular Pyramid

Length = n
Surface area 2.0000065818998E+14
Volume 1.1698493419185E+21
Height 10131159.145882