20003991 (number)

20003991 is an odd 8-digits composite number following 20003990 and preceding 20003992. In scientific notation, it is written as 2.0003991 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 11406528 positive integers (up to 20003991) that are relatively prime to 20003991.

Interesting facts

Basic properties

Name

Name twenty million three thousand nine hundred ninety-one

Notation

Scientific notation 2.0003991 × 10^7
Engineering notation 2.0003991 × 10^6

Prime Factorization of 20003991

Prime Factorization 3 × 7 × 739 × 1289

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20003991
Product of the distinct prime numbers

The prime factorization of 20003991 is 3 × 7 × 739 × 1289. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20003991)

Multiplication

n×y
n×2 40007982
n×3 60011973
n×4 80015964
n×5 100019955

Division

n÷y
n÷2 10001995.5
n÷3 6667997
n÷3 5000997.75
n÷5 4000798.2

Exponentiation

ny
n2 400159655928081
n3 8.0047901557484E+21
n4 1.6012775023248E+29
n5 3.2031940745008E+36

Nth Root

y√n
2√n 4472.5821401065
3√n 271.45981585982
4√n 66.877366426217
5√n 28.855149589302

Divisors of 20003991

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20003990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20003991 can be divided by 16 positive divisors. The sum of these divisors (counting 20003991) is 1, the average is 0.0625.

Base conversion 20003991

Base System Value
2 Binary 1001100010011110010010111
3 Ternary 1101122022022120
4 Quaternary 1030103302113
5 Quinary 20110111431
6 Senary 1552431023
8 Octal 114236227
10 Decimal 20003991
12 Duodecimal 6848473
16 Hexadecimal 1313c97
20 Vigesimal 6509jb
36 Base36 bwr6f

Cryptographic Hash Functions

md5 7bce645f1c9a9577a8e5381ab04b6ba6
sha1 812db8edb807023702e307d522eaf076d343050f
sha256 4993feb74b746d194b2ca1cf2589677363a34f5916201dfb822e39cba47445b4
sha512 244fadb790a5814af9e7e3c9d2309ae3f97634aa5429d6be8b0639b5eac3b8480c41419ee0c0f8f1e0eee3b1a0383b3b7ce9284b43d12dbe4313c3adfb65b825
ripemd-160 a351268ae223b5cb9529c623dd41f828d8de37f1

20003991 as geometric shapes

Circle

Radius = n
Diameter 40007982
Circumference 125688782.33615
Area 1.2571386353267E+15

Sphere

Radius = n
Volume 3.353038659577E+22
Surface area 5.0285545413067E+15
Circumference 125688782.33615

Square

Length = n
Perimeter 80015964
Area 400159655928081
Diagonal 28289915.373789

Cube

Length = n
Surface area 2400957935568486
Volume 8.0047901557484E+21
Space diagonal 34647928.766151

Equilateral Triangle

Length = n
Perimeter 60011973
Area 1.7327421380168E+14
Altitude 17323964.383075

Triangular Pyramid

Length = n
Surface area 1.7327421380168E+14
Volume 9.4337356685084E+20
Height 9429971.7912631