20989842 (number)

20989842 is an even 8-digits composite number following 20989841 and preceding 20989843. In scientific notation, it is written as 2.0989842 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 6996612 positive integers (up to 20989842) that are relatively prime to 20989842.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-nine thousand eight hundred forty-two

Notation

Scientific notation 2.0989842 × 10^7
Engineering notation 2.0989842 × 10^6

Prime Factorization of 20989842

Prime Factorization 2 × 3 × 3498307

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20989842
Product of the distinct prime numbers

The prime factorization of 20989842 is 2 × 3 × 3498307. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20989842)

Multiplication

n×y
n×2 41979684
n×3 62969526
n×4 83959368
n×5 104949210

Division

n÷y
n÷2 10494921
n÷3 6996614
n÷3 5247460.5
n÷5 4197968.4

Exponentiation

ny
n2 440573467184964
n3 9.2475674656046E+21
n4 1.9410497998738E+29
n5 4.0742328613483E+36

Nth Root

y√n
2√n 4581.4672322303
3√n 275.8479260957
4√n 67.686536565482
5√n 29.134115249908

Divisors of 20989842

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 -20989841
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 20989842 can be divided by 8 positive divisors. The sum of these divisors (counting 20989842) is 1, the average is 0.125.

Base conversion 20989842

Base System Value
2 Binary 1010000000100011110010010
3 Ternary 1110111101122120
4 Quaternary 1100010132102
5 Quinary 20333133332
6 Senary 2025515110
8 Octal 120043622
10 Decimal 20989842
12 Duodecimal 7042a96
16 Hexadecimal 1404792
20 Vigesimal 6b3ec2
36 Base36 chvv6

Cryptographic Hash Functions

md5 64a9d033f239358555c0a63cb3c26a92
sha1 8d9f783a8a1d58ecfa7bbdab9bdaeb380ebc6eef
sha256 c8f3ed81bc8148f576dd6343244094dd733f9310aedbe5930281c1078f032eee
sha512 2fabeabea10dc6c7f73008a9366d7e41d433fa1d628b5fa479fc669c4ca8f04d41a9aab9c26feab748f65e694c3f29386ce00a59969bbd367764cae03b7e6129
ripemd-160 db958a9d647bb84b411fc814124f1bcaa43f9198

20989842 as geometric shapes

Circle

Radius = n
Diameter 41979684
Circumference 131883066.85442
Area 1.3841023678749E+15

Sphere

Radius = n
Volume 3.8736120018026E+22
Surface area 5.5364094714995E+15
Circumference 131883066.85442

Square

Length = n
Perimeter 83959368
Area 440573467184964
Diagonal 29684119.228468

Cube

Length = n
Surface area 2643440803109784
Volume 9.2475674656046E+21
Space diagonal 36355472.786843

Equilateral Triangle

Length = n
Perimeter 62969526
Area 1.9077390740778E+14
Altitude 18177736.393422

Triangular Pyramid

Length = n
Surface area 1.9077390740778E+14
Volume 1.0898362774015E+21
Height 9894706.4094895