21497771 (number)

21497771 is an odd 8-digits composite number following 21497770 and preceding 21497772. In scientific notation, it is written as 2.1497771 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 21015720 positive integers (up to 21497771) that are relatively prime to 21497771.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand seven hundred seventy-one

Notation

Scientific notation 2.1497771 × 10^7
Engineering notation 2.1497771 × 10^6

Prime Factorization of 21497771

Prime Factorization 59 × 199 × 1831

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21497771
Product of the distinct prime numbers

The prime factorization of 21497771 is 59 × 199 × 1831. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497771)

Multiplication

n×y
n×2 42995542
n×3 64493313
n×4 85991084
n×5 107488855

Division

n÷y
n÷2 10748885.5
n÷3 7165923.6666667
n÷3 5374442.75
n÷5 4299554.2

Exponentiation

ny
n2 462154157968441
n3 9.9352842547034E+21
n4 2.1358646572752E+29
n5 4.5916329289095E+36

Nth Root

y√n
2√n 4636.5688822663
3√n 278.05527858875
4√n 68.092355534717
5√n 29.273772032516

Divisors of 21497771

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 -21497770
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 21497771 can be divided by 8 positive divisors. The sum of these divisors (counting 21497771) is 1, the average is 0.125.

Base conversion 21497771

Base System Value
2 Binary 1010010000000011110101011
3 Ternary 1111110012101202
4 Quaternary 1102000132223
5 Quinary 21000412041
6 Senary 2044434415
8 Octal 122003653
10 Decimal 21497771
12 Duodecimal 7248a0b
16 Hexadecimal 14807ab
20 Vigesimal 6e748b
36 Base36 csrsb

Cryptographic Hash Functions

md5 034c8a80da9c2b3af3e28731d0f4db64
sha1 f7506e56851f97a4659b83fe45ccf7a3b55d9efd
sha256 edb5daf4c7e27c5b55eb9bee7970bbc052af728b9b96584b50733551f7e428ae
sha512 014794d6fe1e1d707da4ac1eb5b897988efc91ae80e3e43efd0fff9eb23656838530f3f5c176d01895d5b1b1aa8365355f0d019ffd947e316e1bbc38c0ec1795
ripemd-160 d08d810df0479533e0230775a97279c7d15ea1f3

21497771 as geometric shapes

Circle

Radius = n
Diameter 42995542
Circumference 135074478.88431
Area 1.4519001074996E+15

Sphere

Radius = n
Volume 4.161682136787E+22
Surface area 5.8076004299985E+15
Circumference 135074478.88431

Square

Length = n
Perimeter 85991084
Area 462154157968441
Diagonal 30402439.308991

Cube

Length = n
Surface area 2772924947810646
Volume 9.9352842547034E+21
Space diagonal 37235231.621481

Equilateral Triangle

Length = n
Perimeter 64493313
Area 2.0011862063264E+14
Altitude 18617615.81074

Triangular Pyramid

Length = n
Surface area 2.0011862063264E+14
Volume 1.1708844782528E+21
Height 10134146.43633