20403991 (number)

20403991 is an odd 8-digits composite number following 20403990 and preceding 20403992. In scientific notation, it is written as 2.0403991 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20205792 positive integers (up to 20403991) that are relatively prime to 20403991.

Interesting facts

Basic properties

Name

Name twenty million four hundred three thousand nine hundred ninety-one

Notation

Scientific notation 2.0403991 × 10^7
Engineering notation 2.0403991 × 10^6

Prime Factorization of 20403991

Prime Factorization 103 × 198097

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20403991
Product of the distinct prime numbers

The prime factorization of 20403991 is 103 × 198097. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20403991)

Multiplication

n×y
n×2 40807982
n×3 61211973
n×4 81615964
n×5 102019955

Division

n÷y
n÷2 10201995.5
n÷3 6801330.3333333
n÷3 5100997.75
n÷5 4080798.2

Exponentiation

ny
n2 416322848728081
n3 8.4946476585421E+21
n4 1.7332471437306E+29
n5 3.5365159121456E+36

Nth Root

y√n
2√n 4517.0777057739
3√n 273.25725905234
4√n 67.209208489417
5√n 28.969635084756

Divisors of 20403991

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 -20403990
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 20403991 can be divided by 4 positive divisors. The sum of these divisors (counting 20403991) is 1, the average is 0.25.

Base conversion 20403991

Base System Value
2 Binary 1001101110101011100010111
3 Ternary 1102101122000101
4 Quaternary 1031311130113
5 Quinary 20210411431
6 Senary 2005154531
8 Octal 115653427
10 Decimal 20403991
12 Duodecimal 69bba47
16 Hexadecimal 1375717
20 Vigesimal 67a9jb
36 Base36 c5btj

Cryptographic Hash Functions

md5 c62039ffbdff92693a4d93ae422f2d36
sha1 13042af1051ffdc176dc6de787aabac7cfd03207
sha256 741808f4a1e48f201e7601ac00f8cc24d43b32c1be9db25143409c87fd67d5f6
sha512 22b454c0f1960226ccb5f135fdc2d42e8a417a3353ca16dfb72e3a5fb299cea8e569e80ab530bf16d0b9b0402fc95a9483765b1be6037f0aba9d4ff6252a48e5
ripemd-160 7477ee298baa017b5a484fe499fa9810368fffea

20403991 as geometric shapes

Circle

Radius = n
Diameter 40807982
Circumference 128202056.45902
Area 1.3079168030857E+15

Sphere

Radius = n
Volume 3.5582296905213E+22
Surface area 5.2316672123429E+15
Circumference 128202056.45902

Square

Length = n
Perimeter 81615964
Area 416322848728081
Diagonal 28855600.798739

Cube

Length = n
Surface area 2497937092368486
Volume 8.4946476585421E+21
Space diagonal 35340749.089178

Equilateral Triangle

Length = n
Perimeter 61211973
Area 1.8027308158721E+14
Altitude 17670374.544589

Triangular Pyramid

Length = n
Surface area 1.8027308158721E+14
Volume 1.0011038271909E+21
Height 9618533.5995795