21491569 (number)

21491569 is an odd 8-digits composite number following 21491568 and preceding 21491570. In scientific notation, it is written as 2.1491569 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 19509840 positive integers (up to 21491569) that are relatively prime to 21491569.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand five hundred sixty-nine

Notation

Scientific notation 2.1491569 × 10^7
Engineering notation 2.1491569 × 10^6

Prime Factorization of 21491569

Prime Factorization 11 × 1373 × 1423

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491569
Product of the distinct prime numbers

The prime factorization of 21491569 is 11 × 1373 × 1423. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491569)

Multiplication

n×y
n×2 42983138
n×3 64474707
n×4 85966276
n×5 107457845

Division

n÷y
n÷2 10745784.5
n÷3 7163856.3333333
n÷3 5372892.25
n÷5 4298313.8

Exponentiation

ny
n2 461887538081761
n3 9.9266878949243E+21
n4 2.1334009783523E+29
n5 4.5850134330926E+36

Nth Root

y√n
2√n 4635.9000204922
3√n 278.0285368287
4√n 68.087443926852
5√n 29.272082770044

Divisors of 21491569

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 -21491568
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 21491569 can be divided by 8 positive divisors. The sum of these divisors (counting 21491569) is 1, the average is 0.125.

Base conversion 21491569

Base System Value
2 Binary 1010001111110111101110001
3 Ternary 1111102212220001
4 Quaternary 1101332331301
5 Quinary 21000212234
6 Senary 2044350001
8 Octal 121767561
10 Decimal 21491569
12 Duodecimal 7245301
16 Hexadecimal 147ef71
20 Vigesimal 6e68i9
36 Base36 csn01

Cryptographic Hash Functions

md5 39def20d03ec36616244241676db6617
sha1 eec68b06b5e6424b315cedb6baef221ceee3bd6f
sha256 abc19577a18122adda234ec0161bd41c351ccdf74ae53e0034ffa9c4fc153159
sha512 6067d26283dd6a10b8113dc062a03e2ea52069e845dc0c2ef7e6254e7564ee45aab02099b3b5ad4439eb641de639bf77559b8ec3644ce8da22f3e8ee5d48206e
ripemd-160 f98682b1cfdb55fe128d63ba4b35ddc5e5a6458e

21491569 as geometric shapes

Circle

Radius = n
Diameter 42983138
Circumference 135035510.56904
Area 1.4510624964223E+15

Sphere

Radius = n
Volume 4.1580813020231E+22
Surface area 5.8042499856893E+15
Circumference 135035510.56904

Square

Length = n
Perimeter 85966276
Area 461887538081761
Diagonal 30393668.356477

Cube

Length = n
Surface area 2771325228490566
Volume 9.9266878949243E+21
Space diagonal 37224489.442372

Equilateral Triangle

Length = n
Perimeter 64474707
Area 2.0000317083513E+14
Altitude 18612244.721186

Triangular Pyramid

Length = n
Surface area 2.0000317083513E+14
Volume 1.1698713875372E+21
Height 10131222.785492