20006991 (number)

20006991 is an odd 8-digits composite number following 20006990 and preceding 20006992. In scientific notation, it is written as 2.0006991 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 13305600 positive integers (up to 20006991) that are relatively prime to 20006991.

Interesting facts

Basic properties

Name

Name twenty million six thousand nine hundred ninety-one

Notation

Scientific notation 2.0006991 × 10^7
Engineering notation 2.0006991 × 10^6

Prime Factorization of 20006991

Prime Factorization 3 × 3 × 449 × 4951

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6668997
Product of the distinct prime numbers

The prime factorization of 20006991 is 3 × 3 × 449 × 4951. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20006991)

Multiplication

n×y
n×2 40013982
n×3 60020973
n×4 80027964
n×5 100034955

Division

n÷y
n÷2 10003495.5
n÷3 6668997
n÷3 5001747.75
n÷5 4001398.2

Exponentiation

ny
n2 400279688874081
n3 8.0083921327865E+21
n4 1.6022382932513E+29
n5 3.2055967112934E+36

Nth Root

y√n
2√n 4472.9175042694
3√n 271.47338546434
4√n 66.879873686106
5√n 28.856015019169

Divisors of 20006991

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 -20006990
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 20006991 can be divided by 12 positive divisors. The sum of these divisors (counting 20006991) is 1, the average is 0.083333333333333.

Base conversion 20006991

Base System Value
2 Binary 1001100010100100001001111
3 Ternary 1101122110102200
4 Quaternary 1030110201033
5 Quinary 20110210431
6 Senary 1552452543
8 Octal 114244117
10 Decimal 20006991
12 Duodecimal 684a153
16 Hexadecimal 131484f
20 Vigesimal 650h9b
36 Base36 bwthr

Cryptographic Hash Functions

md5 b56fa7deb60cf81893431f49d99d161e
sha1 e916127c5da70619af366d7a8c05cafd636ceee7
sha256 be4d247c47a7403c0e69c76482607f62592c1e308ee7fdd5b61927671d0d525f
sha512 40cdb45b9f33d63468d109d811143ad5dea83effd73e28e76523225e1f090ba99e050bacb926d04b513cd31b02fc6ab637c940db0a0abe843560e7729ed9c4df
ripemd-160 d87b3f7778702330c705e2294fa6b5e7fcf89718

20006991 as geometric shapes

Circle

Radius = n
Diameter 40013982
Circumference 125707631.89207
Area 1.257515729948E+15

Sphere

Radius = n
Volume 3.3545474521905E+22
Surface area 5.0300629197921E+15
Circumference 125707631.89207

Square

Length = n
Perimeter 80027964
Area 400279688874081
Diagonal 28294158.014476

Cube

Length = n
Surface area 2401678133244486
Volume 8.0083921327865E+21
Space diagonal 34653124.918573

Equilateral Triangle

Length = n
Perimeter 60020973
Area 1.7332618959194E+14
Altitude 17326562.459287

Triangular Pyramid

Length = n
Surface area 1.7332618959194E+14
Volume 9.4379806391573E+20
Height 9431386.0048255