20123989 (number)

20123989 is an odd 8-digits composite number following 20123988 and preceding 20123990. In scientific notation, it is written as 2.0123989 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 19633120 positive integers (up to 20123989) that are relatively prime to 20123989.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-three thousand nine hundred eighty-nine

Notation

Scientific notation 2.0123989 × 10^7
Engineering notation 2.0123989 × 10^6

Prime Factorization of 20123989

Prime Factorization 41 × 490829

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20123989
Product of the distinct prime numbers

The prime factorization of 20123989 is 41 × 490829. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20123989)

Multiplication

n×y
n×2 40247978
n×3 60371967
n×4 80495956
n×5 100619945

Division

n÷y
n÷2 10061994.5
n÷3 6707996.3333333
n÷3 5030997.25
n÷5 4024797.8

Exponentiation

ny
n2 404974933272121
n3 8.1497111024439E+21
n4 1.6400469657876E+29
n5 3.3004287098993E+36

Nth Root

y√n
2√n 4485.9769281618
3√n 272.00153635955
4√n 66.977435962881
5√n 28.889685514367

Divisors of 20123989

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 -20123988
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 20123989 can be divided by 4 positive divisors. The sum of these divisors (counting 20123989) is 1, the average is 0.25.

Base conversion 20123989

Base System Value
2 Binary 1001100110001000101010101
3 Ternary 1101212101220221
4 Quaternary 1030301011111
5 Quinary 20122431424
6 Senary 1555154341
8 Octal 114610525
10 Decimal 20123989
12 Duodecimal 68a59b1
16 Hexadecimal 1331155
20 Vigesimal 65f9j9
36 Base36 bzbrp

Cryptographic Hash Functions

md5 67da99341d0babd681ebefbd7094f554
sha1 cddb8c2071f766d18c1ac16407919b961c5b3364
sha256 b0b05a8d65d82d0d3d5ab758e6e02b98851edbe6078c45058b48813a4ee476a8
sha512 f132cfd0ffb64522a940ad0b19c25b56933b81b87c0dd99b7b83bcb54a8dc5f62ebd45719dc9e69f1f9e4a24ddde86978e1961458b056b2dadb9654153828249
ripemd-160 61056037788b5750b350e75c9420a01e7d39f149

20123989 as geometric shapes

Circle

Radius = n
Diameter 40247978
Circumference 126442752.00664
Area 1.2722662752557E+15

Sphere

Radius = n
Volume 3.4137430037756E+22
Surface area 5.0890651010228E+15
Circumference 126442752.00664

Square

Length = n
Perimeter 80495956
Area 404974933272121
Diagonal 28459618.172847

Cube

Length = n
Surface area 2429849599632726
Volume 8.1497111024439E+21
Space diagonal 34855771.398957

Equilateral Triangle

Length = n
Perimeter 60371967
Area 1.7535929005478E+14
Altitude 17427885.699479

Triangular Pyramid

Length = n
Surface area 1.7535929005478E+14
Volume 9.6045266420823E+20
Height 9486539.390949