20949939 (number)

20949939 is an odd 8-digits composite number following 20949938 and preceding 20949940. In scientific notation, it is written as 2.0949939 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 13966620 positive integers (up to 20949939) that are relatively prime to 20949939.

Interesting facts

Basic properties

Name

Name twenty million nine hundred forty-nine thousand nine hundred thirty-nine

Notation

Scientific notation 2.0949939 × 10^7
Engineering notation 2.0949939 × 10^6

Prime Factorization of 20949939

Prime Factorization 9 × 2327771

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20949939
Product of the distinct prime numbers

The prime factorization of 20949939 is 9 × 2327771. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20949939)

Multiplication

n×y
n×2 41899878
n×3 62849817
n×4 83799756
n×5 104749695

Division

n÷y
n÷2 10474969.5
n÷3 6983313
n÷3 5237484.75
n÷5 4189987.8

Exponentiation

ny
n2 438899944103721
n3 9.1949270560764E+21
n4 1.9263316093425E+29
n5 4.0356529709497E+36

Nth Root

y√n
2√n 4577.1103329503
3√n 275.67301383305
4√n 67.654344523839
5√n 29.123029662566

Divisors of 20949939

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20949938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20949939 can be divided by 4 positive divisors. The sum of these divisors (counting 20949939) is 1, the average is 0.25.

Base conversion 20949939

Base System Value
2 Binary 1001111111010101110110011
3 Ternary 1110102100220200
4 Quaternary 1033322232303
5 Quinary 20330344224
6 Senary 2025010243
8 Octal 117725663
10 Decimal 20949939
12 Duodecimal 7023983
16 Hexadecimal 13fabb3
20 Vigesimal 6aiegj
36 Base36 ch12r

Cryptographic Hash Functions

md5 8c978513ad2340a910e0b3cad0f263e4
sha1 6a0453b225bd2f6ecf8ec857fc27bf5bf958274e
sha256 dcb466d0503d19c5b55751a0faba85bc61e046493e1d0d0366974de33dbac343
sha512 aff69b89f9eece085b0225ce4ab6ce6b55eea79114e7ab695ac33db527789c99a048b4fc7da8bf34899fbe4c730d000abbd8633de89e8404c796735f346b365c
ripemd-160 e5f88e57efd2e0da8e37b050c7303ac53045700e

20949939 as geometric shapes

Circle

Radius = n
Diameter 41899878
Circumference 131632348.91111
Area 1.3788448400572E+15

Sphere

Radius = n
Volume 3.8515620386218E+22
Surface area 5.5153793602289E+15
Circumference 131632348.91111

Square

Length = n
Perimeter 83799756
Area 438899944103721
Diagonal 29627687.864689

Cube

Length = n
Surface area 2633399664622326
Volume 9.1949270560764E+21
Space diagonal 36286358.763469

Equilateral Triangle

Length = n
Perimeter 62849817
Area 1.900492506567E+14
Altitude 18143179.381734

Triangular Pyramid

Length = n
Surface area 1.900492506567E+14
Volume 1.0836325456445E+21
Height 9875895.9548963