20947549 (number)

20947549 is an odd 8-digits composite number following 20947548 and preceding 20947550. In scientific notation, it is written as 2.0947549 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 17173464 positive integers (up to 20947549) that are relatively prime to 20947549.

Interesting facts

Basic properties

Name

Name twenty million nine hundred forty-seven thousand five hundred forty-nine

Notation

Scientific notation 2.0947549 × 10^7
Engineering notation 2.0947549 × 10^6

Prime Factorization of 20947549

Prime Factorization 7 × 7 × 23 × 18587

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2992507
Product of the distinct prime numbers

The prime factorization of 20947549 is 7 × 7 × 23 × 18587. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 39, 99, 665, 806, 2944, 1289, 6057, 6904, 257636, 780845, 6524337, 751626, 82195163, 84833671, 597035855, 120884086, 7620040432, 3308715055

Basic calculations (n = 20947549)

Multiplication

n×y
n×2 41895098
n×3 62842647
n×4 83790196
n×5 104737745

Division

n÷y
n÷2 10473774.5
n÷3 6982516.3333333
n÷3 5236887.25
n÷5 4189509.8

Exponentiation

ny
n2 438799809107401
n3 9.1917805024679E+21
n4 1.9254527247269E+29
n5 4.0333515298401E+36

Nth Root

y√n
2√n 4576.8492437484
3√n 275.66253037279
4√n 67.652414914387
5√n 29.12236515259

Divisors of 20947549

1, 7, 23, 49, 161, 1127, 18587, 130109, 427501, 910763, 2992507, 20947549

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 -20947548
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 20947549 can be divided by 12 positive divisors. The sum of these divisors (counting 20947549) is 1, the average is 0.083333333333333.

Base conversion 20947549

Base System Value
2 Binary 1001111111010001001011101
3 Ternary 1110102020122011
4 Quaternary 1033322021131
5 Quinary 20330310144
6 Senary 2024551221
8 Octal 117721135
10 Decimal 20947549
12 Duodecimal 7022511
16 Hexadecimal 13fa25d
20 Vigesimal 6ai8h9
36 Base36 cgz8d

Cryptographic Hash Functions

md5 427e955aec7fbbffa1ba5db294fa2e5d
sha1 1072b5c49a39f0c1f5d9b8776cb5e85385110a50
sha256 eb48ebc648e89c2cf6878c010ef047be72b93d5b8e26020c7309e2050e41a1ea
sha512 afab6cc5b9a9bbaf51d86e3743c5bae4acd2da55e8a82b09b40ad3f5ae86befb4fbfbbecd61fc0b0991e115380149c61482ef39f38912cb64eda104dfb8396d5
ripemd-160 e468042ac695e1446a15ce4333757850162c02da

20947549 as geometric shapes

Circle

Radius = n
Diameter 41895098
Circumference 131617332.09822
Area 1.3785302566884E+15

Sphere

Radius = n
Volume 3.8502440133284E+22
Surface area 5.5141210267537E+15
Circumference 131617332.09822

Square

Length = n
Perimeter 83790196
Area 438799809107401
Diagonal 29624307.894275

Cube

Length = n
Surface area 2632798854644406
Volume 9.1917805024679E+21
Space diagonal 36282219.162039

Equilateral Triangle

Length = n
Perimeter 62842647
Area 1.9000589093139E+14
Altitude 18141109.581019

Triangular Pyramid

Length = n
Surface area 1.9000589093139E+14
Volume 1.0832617207456E+21
Height 9874769.2980917