20405972 (number)

20405972 is an even 8-digits composite number following 20405971 and preceding 20405973. In scientific notation, it is written as 2.0405972 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 6 positive divisors. There are 10202984 positive integers (up to 20405972) that are relatively prime to 20405972.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand nine hundred seventy-two

Notation

Scientific notation 2.0405972 × 10^7
Engineering notation 2.0405972 × 10^6

Prime Factorization of 20405972

Prime Factorization 2 × 2 × 5101493

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10202986
Product of the distinct prime numbers

The prime factorization of 20405972 is 2 × 2 × 5101493. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20405972)

Multiplication

n×y
n×2 40811944
n×3 61217916
n×4 81623888
n×5 102029860

Division

n÷y
n÷2 10202986
n÷3 6801990.6666667
n÷3 5101493
n÷5 4081194.4

Exponentiation

ny
n2 416403693264784
n3 8.4971221054578E+21
n4 1.7339203576455E+29
n5 3.5382330268345E+36

Nth Root

y√n
2√n 4517.2969793893
3√n 273.26610217707
4√n 67.2108397462
5√n 28.970197588616

Divisors of 20405972

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405972 can be divided by 6 positive divisors. The sum of these divisors (counting 20405972) is 1, the average is 0.16666666666667.

Base conversion 20405972

Base System Value
2 Binary 1001101110101111011010100
3 Ternary 1102101201201202
4 Quaternary 1031311323110
5 Quinary 20210442342
6 Senary 2005212032
8 Octal 115657324
10 Decimal 20405972
12 Duodecimal 6a01018
16 Hexadecimal 1375ed4
20 Vigesimal 67aeic
36 Base36 c5dck

Cryptographic Hash Functions

md5 475d608f14b46f61ce25c52102850364
sha1 7299d0d1f1319c5e077a7138132d679749f5562d
sha256 fbaaffc6922753e4086da26e3d14ba3c83cf02daf485bd1f203f2d5aa6dc07fe
sha512 20353a079a667178d49050e73c952e3a99a204a8f308c8c3e9373a19bda7b56c71d6db03533bf221fa36aeecb66a46f20c238c59192519cab8accb08b4abd417
ripemd-160 ce7cfd41f525406f5ab385340ff246e83f7d859d

20405972 as geometric shapes

Circle

Radius = n
Diameter 40811944
Circumference 128214503.44912
Area 1.3081707836883E+15

Sphere

Radius = n
Volume 3.5592661844215E+22
Surface area 5.2326831347532E+15
Circumference 128214503.44912

Square

Length = n
Perimeter 81623888
Area 416403693264784
Diagonal 28858402.355806

Cube

Length = n
Surface area 2498422159588704
Volume 8.4971221054578E+21
Space diagonal 35344180.281828

Equilateral Triangle

Length = n
Perimeter 61217916
Area 1.8030808829848E+14
Altitude 17672090.140914

Triangular Pyramid

Length = n
Surface area 1.8030808829848E+14
Volume 1.0013954435566E+21
Height 9619467.4519352