20218990 (number)

20218990 is an even 8-digits composite number following 20218989 and preceding 20218991. In scientific notation, it is written as 2.0218990 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 7352320 positive integers (up to 20218990) that are relatively prime to 20218990.

Interesting facts

Basic properties

Name

Name twenty million two hundred eighteen thousand nine hundred ninety

Notation

Scientific notation 2.0218990 × 10^7
Engineering notation 2.0218990 × 10^6

Prime Factorization of 20218990

Prime Factorization 2 × 5 × 11 × 183809

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20218990
Product of the distinct prime numbers

The prime factorization of 20218990 is 2 × 5 × 11 × 183809. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 60, 27, 131, 687, 7381, 3566, 67474, 4859, 710350, 516083, 9560323, 2542771, 32833853, 89052835, 250837382, 236792205, 2693329237, 4463815244

Basic calculations (n = 20218990)

Multiplication

n×y
n×2 40437980
n×3 60656970
n×4 80875960
n×5 101094950

Division

n÷y
n÷2 10109495
n÷3 6739663.3333333
n÷3 5054747.5
n÷5 4043798

Exponentiation

ny
n2 408807556620100
n3 8.2656758992262E+21
n4 1.671236183497E+29
n5 3.3790707681763E+36

Nth Root

y√n
2√n 4496.5531243387
3√n 272.42888473339
4√n 67.056342909069
5√n 28.916910544909

Divisors of 20218990

1, 2, 5, 10, 11, 22, 55, 110, 183809, 367618, 919045, 1838090, 2021899, 4043798, 10109495, 20218990

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 -20218989
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 20218990 can be divided by 16 positive divisors. The sum of these divisors (counting 20218990) is 1, the average is 0.0625.

Base conversion 20218990

Base System Value
2 Binary 1001101001000010001101110
3 Ternary 1102001020020111
4 Quaternary 1031020101232
5 Quinary 20134001430
6 Senary 2001210234
8 Octal 115102156
10 Decimal 20218990
12 Duodecimal 693097a
16 Hexadecimal 134846e
20 Vigesimal 66779a
36 Base36 c1d2m

Cryptographic Hash Functions

md5 5032b04ea1093aa3fa71f0a1f75ad75a
sha1 32c16721ff59a3fb1e6d9e64e6155d30b94d5861
sha256 947e903ffcadd0744d66927c82e5007511e25c9d1397bb030ec7460126a42547
sha512 39a21ea4a6ec6cd3373aaf41aedddcb42f5da289d06045745b15b0bbe0cb4345f8509bd64b3154a89647729ee8b894f8e31a538b01f4e61c8b5d625739b374ad
ripemd-160 674bea57d8d6f8a7b2d03a642bbf0465eff51778

20218990 as geometric shapes

Circle

Radius = n
Diameter 40437980
Circumference 127039660.89401
Area 1.2843068166097E+15

Sphere

Radius = n
Volume 3.4623182242618E+22
Surface area 5.1372272664388E+15
Circumference 127039660.89401

Square

Length = n
Perimeter 80875960
Area 408807556620100
Diagonal 28593969.875486

Cube

Length = n
Surface area 2452845339720600
Volume 8.2656758992262E+21
Space diagonal 35020317.957727

Equilateral Triangle

Length = n
Perimeter 60656970
Area 1.7701886464603E+14
Altitude 17510158.978864

Triangular Pyramid

Length = n
Surface area 1.7701886464603E+14
Volume 9.7411924657218E+20
Height 9531323.2918287