20408961 (number)

20408961 is an odd 8-digits composite number following 20408960 and preceding 20408962. In scientific notation, it is written as 2.0408961 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13289472 positive integers (up to 20408961) that are relatively prime to 20408961.

Interesting facts

Basic properties

Name

Name twenty million four hundred eight thousand nine hundred sixty-one

Notation

Scientific notation 2.0408961 × 10^7
Engineering notation 2.0408961 × 10^6

Prime Factorization of 20408961

Prime Factorization 3 × 43 × 158209

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20408961
Product of the distinct prime numbers

The prime factorization of 20408961 is 3 × 43 × 158209. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20408961)

Multiplication

n×y
n×2 40817922
n×3 61226883
n×4 81635844
n×5 102044805

Division

n÷y
n÷2 10204480.5
n÷3 6802987
n÷3 5102240.25
n÷5 4081792.2

Exponentiation

ny
n2 416525689099521
n3 8.5008565443302E+21
n4 1.7349364967983E+29
n5 3.5408251300633E+36

Nth Root

y√n
2√n 4517.6278067145
3√n 273.27944390047
4√n 67.213300816985
5√n 28.971046230843

Divisors of 20408961

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 -20408960
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 20408961 can be divided by 8 positive divisors. The sum of these divisors (counting 20408961) is 1, the average is 0.125.

Base conversion 20408961

Base System Value
2 Binary 1001101110110101010000001
3 Ternary 1102101212211110
4 Quaternary 1031312222001
5 Quinary 20211041321
6 Senary 2005233533
8 Octal 115665201
10 Decimal 20408961
12 Duodecimal 6a028a9
16 Hexadecimal 1376a81
20 Vigesimal 67b281
36 Base36 c5fnl

Cryptographic Hash Functions

md5 1735e469a217196aaf6f2a766c0a355b
sha1 96280a6a7207223d4335ec9ec95917b93e394444
sha256 94355c665c75e30f9b924ecb04d300eb0435bc3d5be4cfd104353d2dc27b65af
sha512 c854153d48d368b4030796be40d391c675eb7ce50728555172c59ae8fc3236050960bb2aa67cfe161a4366a3057ad9d87a3d57e8146d1471c96e70d3503226cc
ripemd-160 96bdd3c4ead6bbd9de82cf81c091406e71e325e3

20408961 as geometric shapes

Circle

Radius = n
Diameter 40817922
Circumference 128233283.89
Area 1.3085540449065E+15

Sphere

Radius = n
Volume 3.5608304625185E+22
Surface area 5.2342161796259E+15
Circumference 128233283.89

Square

Length = n
Perimeter 81635844
Area 416525689099521
Diagonal 28862629.440144

Cube

Length = n
Surface area 2499154134597126
Volume 8.5008565443302E+21
Space diagonal 35349357.381692

Equilateral Triangle

Length = n
Perimeter 61226883
Area 1.803609140445E+14
Altitude 17674678.690846

Triangular Pyramid

Length = n
Surface area 1.803609140445E+14
Volume 1.0018355513983E+21
Height 9620876.4800479