20949991 (number)

20949991 is an odd 8-digits prime number following 20949990 and preceding 20949992. In scientific notation, it is written as 2.0949991 × 10^7. The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors. There are 20949990 positive integers (up to 20949991) that are relatively prime to 20949991.

Interesting facts

Basic properties

Name

Name twenty million nine hundred forty-nine thousand nine hundred ninety-one

Notation

Scientific notation 2.0949991 × 10^7
Engineering notation 2.0949991 × 10^6

Prime Factorization of 20949991

Prime Factorization 20949991

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20949991
Product of the distinct prime numbers

The prime factorization of 20949991 is 20949991. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 7, 89, 18, 222, 42, 5309, 5977, 44169, 20158, 412549, 409137, 4167317, 2420705, 44139540, 22475595, 367353082, 999219979, 7876525300, 7665491987

Basic calculations (n = 20949991)

Multiplication

n×y
n×2 41899982
n×3 62849973
n×4 83799964
n×5 104749955

Division

n÷y
n÷2 10474995.5
n÷3 6983330.3333333
n÷3 5237497.75
n÷5 4189998.2

Exponentiation

ny
n2 438902122900081
n3 9.1949955246376E+21
n4 1.926350734862E+29
n5 4.0357030558202E+36

Nth Root

y√n
2√n 4577.1160133866
3√n 275.67324191621
4√n 67.654386505138
5√n 29.12304411985

Divisors of 20949991

1, 20949991

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20949992
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10474996
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4577.1161226257
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999045346
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20949991 can be divided by 2 positive divisors. The sum of these divisors (counting 20949991) is 20949992, the average is 10474996.

Base conversion 20949991

Base System Value
2 Binary 1001111111010101111100111
3 Ternary 1110102100222121
4 Quaternary 1033322233213
5 Quinary 20330344431
6 Senary 2025010411
8 Octal 117725747
10 Decimal 20949991
12 Duodecimal 7023a07
16 Hexadecimal 13fabe7
20 Vigesimal 6aiejb
36 Base36 ch147

Cryptographic Hash Functions

md5 1668cb6a76cff5d88ed0235b02948a9b
sha1 a1e7d69a7a3d312673b7e102ed3fb127203a4601
sha256 1f70204b9a273446e50ef2a54b9d786f1746ff27bfdcaf496dc916e5d26c59c3
sha512 94b32cc607b84c539cd2cf39e7d7bbf9517fc0c1d795d735683082155be4ffc7c158e1a4e6be5a663b607df2a33af251f7767dc738afe54bca67c3ec362ed395
ripemd-160 62e5188b3e7b376da4e004d498a9db7119d60082

20949991 as geometric shapes

Circle

Radius = n
Diameter 41899982
Circumference 131632675.63674
Area 1.3788516849479E+15

Sphere

Radius = n
Volume 3.8515907186657E+22
Surface area 5.5154067397914E+15
Circumference 131632675.63674

Square

Length = n
Perimeter 83799964
Area 438902122900081
Diagonal 29627761.403794

Cube

Length = n
Surface area 2633412737400486
Volume 9.1949955246376E+21
Space diagonal 36286448.830111

Equilateral Triangle

Length = n
Perimeter 62849973
Area 1.9005019410319E+14
Altitude 18143224.415055

Triangular Pyramid

Length = n
Surface area 1.9005019410319E+14
Volume 1.0836406147419E+21
Height 9875920.4679314