20998957 (number)

20998957 is an odd 8-digits composite number following 20998956 and preceding 20998958. In scientific notation, it is written as 2.0998957 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 17999100 positive integers (up to 20998957) that are relatively prime to 20998957.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-eight thousand nine hundred fifty-seven

Notation

Scientific notation 2.0998957 × 10^7
Engineering notation 2.0998957 × 10^6

Prime Factorization of 20998957

Prime Factorization 7 × 2999851

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20998957
Product of the distinct prime numbers

The prime factorization of 20998957 is 7 × 2999851. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20998957)

Multiplication

n×y
n×2 41997914
n×3 62996871
n×4 83995828
n×5 104994785

Division

n÷y
n÷2 10499478.5
n÷3 6999652.3333333
n÷3 5249739.25
n÷5 4199791.4

Exponentiation

ny
n2 440956195087849
n3 9.2596201795334E+21
n4 1.9444236598635E+29
n5 4.0830868823257E+36

Nth Root

y√n
2√n 4582.461892913
3√n 275.88785001024
4√n 67.693883718642
5√n 29.136645153128

Divisors of 20998957

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 -20998956
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 20998957 can be divided by 4 positive divisors. The sum of these divisors (counting 20998957) is 1, the average is 0.25.

Base conversion 20998957

Base System Value
2 Binary 1010000000110101100101101
3 Ternary 1110111212011011
4 Quaternary 1100012230231
5 Quinary 20333431312
6 Senary 2030025221
8 Octal 120065455
10 Decimal 20998957
12 Duodecimal 7048211
16 Hexadecimal 1406b2d
20 Vigesimal 6b4h7h
36 Base36 ci2wd

Cryptographic Hash Functions

md5 039f23cbfce05ded7c9c11ed20598406
sha1 0ce89fb22b06bcc44ea2898479ac1f98f554c561
sha256 dee9964955f132f0e146dfc8eb758d0343803bba9b64b7c5614794f6dc0655e0
sha512 cb26388592f080355d3161ab425692831c01ca1eea4ebe8d5738f07d2ac6651620437fd832e7b6a93554666ca3d0bd0c2999f4b2a6f60716a4d7702dfc0962aa
ripemd-160 f08921ed317445402fef3ef28bc240e53edeaf49

20998957 as geometric shapes

Circle

Radius = n
Diameter 41997914
Circumference 131940338.0885
Area 1.3853047430429E+15

Sphere

Radius = n
Volume 3.8786606308072E+22
Surface area 5.5412189721716E+15
Circumference 131940338.0885

Square

Length = n
Perimeter 83995828
Area 440956195087849
Diagonal 29697009.785089

Cube

Length = n
Surface area 2645737170527094
Volume 9.2596201795334E+21
Space diagonal 36371260.429954

Equilateral Triangle

Length = n
Perimeter 62996871
Area 1.909396334511E+14
Altitude 18185630.214977

Triangular Pyramid

Length = n
Surface area 1.909396334511E+14
Volume 1.09125670336E+21
Height 9899003.2616965