21491294 (number)

21491294 is an even 8-digits composite number following 21491293 and preceding 21491295. In scientific notation, it is written as 2.1491294 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 9768660 positive integers (up to 21491294) that are relatively prime to 21491294.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491294 × 10^7
Engineering notation 2.1491294 × 10^6

Prime Factorization of 21491294

Prime Factorization 2 × 11 × 11 × 88807

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1953754
Product of the distinct prime numbers

The prime factorization of 21491294 is 2 × 11 × 11 × 88807. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491294)

Multiplication

n×y
n×2 42982588
n×3 64473882
n×4 85965176
n×5 107456470

Division

n÷y
n÷2 10745647
n÷3 7163764.6666667
n÷3 5372823.5
n÷5 4298258.8

Exponentiation

ny
n2 461875717794436
n3 9.9263068425813E+21
n4 2.1332917868813E+29
n5 4.584720097965E+36

Nth Root

y√n
2√n 4635.8703605688
3√n 278.02735096564
4√n 68.087226118919
5√n 29.272007858212

Divisors of 21491294

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 -21491293
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 21491294 can be divided by 12 positive divisors. The sum of these divisors (counting 21491294) is 1, the average is 0.083333333333333.

Base conversion 21491294

Base System Value
2 Binary 1010001111110111001011110
3 Ternary 1111102212111212
4 Quaternary 1101332321132
5 Quinary 21000210134
6 Senary 2044344422
8 Octal 121767136
10 Decimal 21491294
12 Duodecimal 7245112
16 Hexadecimal 147ee5e
20 Vigesimal 6e684e
36 Base36 csmse

Cryptographic Hash Functions

md5 1595560b908946028af6e03b83ebea53
sha1 70a88719005f67fc043b914a56cce067275446e6
sha256 af5cc8d0be178e0f4191b7e9ef80735dc02fd6ebe6e9354209bac0e74541bd86
sha512 3e95a8296369dbba3aaef0f118a6c4732da655d7090eef7fcc43ac8a1eabd0ede4a53b824b3379b4bebd3666cf0caf15f6bfe448c45565da8a4500ba79fdd4d2
ripemd-160 c29551fdb995563b463eca0feb84992afa205be5

21491294 as geometric shapes

Circle

Radius = n
Diameter 42982588
Circumference 135033782.69308
Area 1.4510253618945E+15

Sphere

Radius = n
Volume 4.1579216871908E+22
Surface area 5.804101447578E+15
Circumference 135033782.69308

Square

Length = n
Perimeter 85965176
Area 461875717794436
Diagonal 30393279.447748

Cube

Length = n
Surface area 2771254306766616
Volume 9.9263068425813E+21
Space diagonal 37224013.1284

Equilateral Triangle

Length = n
Perimeter 64473882
Area 1.9999805250058E+14
Altitude 18612006.5642

Triangular Pyramid

Length = n
Surface area 1.9999805250058E+14
Volume 1.1698264800879E+21
Height 10131093.149249