20047890 (number)

20047890 is an even 8-digits composite number following 20047889 and preceding 20047891. In scientific notation, it is written as 2.0047890 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5221440 positive integers (up to 20047890) that are relatively prime to 20047890.

Interesting facts

Basic properties

Name

Name twenty million forty-seven thousand eight hundred ninety

Notation

Scientific notation 2.0047890 × 10^7
Engineering notation 2.0047890 × 10^6

Prime Factorization of 20047890

Prime Factorization 2 × 3 × 215 × 15541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20047890
Product of the distinct prime numbers

The prime factorization of 20047890 is 2 × 3 × 215 × 15541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20047890)

Multiplication

n×y
n×2 40095780
n×3 60143670
n×4 80191560
n×5 100239450

Division

n÷y
n÷2 10023945
n÷3 6682630
n÷3 5011972.5
n÷5 4009578

Exponentiation

ny
n2 401917893452100
n3 8.0576057169594E+21
n4 1.6153799307697E+29
n5 3.2384959160279E+36

Nth Root

y√n
2√n 4477.4870184066
3√n 271.65824472785
4√n 66.914027067623
5√n 28.867803081774

Divisors of 20047890

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 -20047889
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 20047890 can be divided by 16 positive divisors. The sum of these divisors (counting 20047890) is 1, the average is 0.0625.

Base conversion 20047890

Base System Value
2 Binary 1001100011110100000010010
3 Ternary 1101201112112110
4 Quaternary 1030132200102
5 Quinary 20113013030
6 Senary 1553410150
8 Octal 114364022
10 Decimal 20047890
12 Duodecimal 6869956
16 Hexadecimal 131e812
20 Vigesimal 655jea
36 Base36 bxp1u

Cryptographic Hash Functions

md5 49f38cb66b6b345fd15ae3f91cd77462
sha1 72d5d67295f239f1fd4b4535d15e76459c4b765d
sha256 40e91975f809be7e5cbcb953b4323fe7ca98b8f29458b7aac9b704c087294241
sha512 b14bfc6bcd927506dff5964148a2cb82135ceec51ef6c0cd70ee13f6acac7609b590353620b975521fce953bdb487593ff89dbb0faf8a503d5e869b9c339ea70
ripemd-160 ab8162de628d18b03f5b3d679fc56af4a2f1875e

20047890 as geometric shapes

Circle

Radius = n
Diameter 40095780
Circumference 125964607.88795
Area 1.2626623014154E+15

Sphere

Radius = n
Volume 3.375161990123E+22
Surface area 5.0506492056616E+15
Circumference 125964607.88795

Square

Length = n
Perimeter 80191560
Area 401917893452100
Diagonal 28351997.934964

Cube

Length = n
Surface area 2411507360712600
Volume 8.0576057169594E+21
Space diagonal 34723964.064552

Equilateral Triangle

Length = n
Perimeter 60143670
Area 1.7403555298252E+14
Altitude 17361982.032276

Triangular Pyramid

Length = n
Surface area 1.7403555298252E+14
Volume 9.4959794043158E+20
Height 9450665.9783213