20456989 (number)

20456989 is an odd 8-digits composite number following 20456988 and preceding 20456990. In scientific notation, it is written as 2.0456989 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 17426016 positive integers (up to 20456989) that are relatively prime to 20456989.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-six thousand nine hundred eighty-nine

Notation

Scientific notation 2.0456989 × 10^7
Engineering notation 2.0456989 × 10^6

Prime Factorization of 20456989

Prime Factorization 7 × 163 × 17929

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20456989
Product of the distinct prime numbers

The prime factorization of 20456989 is 7 × 163 × 17929. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20456989)

Multiplication

n×y
n×2 40913978
n×3 61370967
n×4 81827956
n×5 102284945

Division

n÷y
n÷2 10228494.5
n÷3 6818996.3333333
n÷3 5114247.25
n÷5 4091397.8

Exponentiation

ny
n2 418488398946121
n3 8.5610125738684E+21
n4 1.7513254005249E+29
n5 3.5826844453958E+36

Nth Root

y√n
2√n 4522.9403047133
3√n 273.49364364864
4√n 67.252808898315
5√n 28.984668810581

Divisors of 20456989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20456988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20456989 can be divided by 8 positive divisors. The sum of these divisors (counting 20456989) is 1, the average is 0.125.

Base conversion 20456989

Base System Value
2 Binary 1001110000010011000011101
3 Ternary 1102111022201021
4 Quaternary 1032002120131
5 Quinary 20214110424
6 Senary 2010244141
8 Octal 116023035
10 Decimal 20456989
12 Duodecimal 6a26651
16 Hexadecimal 138261d
20 Vigesimal 67h299
36 Base36 c6gpp

Cryptographic Hash Functions

md5 7a4d12a24bdee52b2f409fdf08f28c84
sha1 ed090f8b10a4ab89e4685e25f06f08bcc9192657
sha256 4821548aab1187feab253c5eccc95b51dc819cdfa4bb206435be105c80430c61
sha512 f9b6252d65b336c980b2d7ba1a457f7d6c16c37dd439b248db4164d6e77a8447ddc05a7167a71956a45ad577f3fed662e69a14da9c98cb25b955a3e77fb89cec
ripemd-160 70f8b15cae58026f43b4a5ede777545844349dcf

20456989 as geometric shapes

Circle

Radius = n
Diameter 40913978
Circumference 128535052.71393
Area 1.3147200797417E+15

Sphere

Radius = n
Volume 3.5860285612473E+22
Surface area 5.2588803189668E+15
Circumference 128535052.71393

Square

Length = n
Perimeter 81827956
Area 418488398946121
Diagonal 28930551.289117

Cube

Length = n
Surface area 2510930393676726
Volume 8.5610125738684E+21
Space diagonal 35432544.317878

Equilateral Triangle

Length = n
Perimeter 61370967
Area 1.8121079233821E+14
Altitude 17716272.158939

Triangular Pyramid

Length = n
Surface area 1.8121079233821E+14
Volume 1.0089250074676E+21
Height 9643517.0963724