20402989 (number)

20402989 is an odd 8-digits composite number following 20402988 and preceding 20402990. In scientific notation, it is written as 2.0402989 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 20030976 positive integers (up to 20402989) that are relatively prime to 20402989.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand nine hundred eighty-nine

Notation

Scientific notation 2.0402989 × 10^7
Engineering notation 2.0402989 × 10^6

Prime Factorization of 20402989

Prime Factorization 73 × 277 × 1009

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20402989
Product of the distinct prime numbers

The prime factorization of 20402989 is 73 × 277 × 1009. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402989)

Multiplication

n×y
n×2 40805978
n×3 61208967
n×4 81611956
n×5 102014945

Division

n÷y
n÷2 10201494.5
n÷3 6800996.3333333
n÷3 5100747.25
n÷5 4080597.8

Exponentiation

ny
n2 416281960134121
n3 8.4933962535149E+21
n4 1.7329067033311E+29
n5 3.535647640609E+36

Nth Root

y√n
2√n 4516.9667919966
3√n 273.25278593634
4√n 67.208383346102
5√n 28.969350550769

Divisors of 20402989

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 -20402988
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 20402989 can be divided by 8 positive divisors. The sum of these divisors (counting 20402989) is 1, the average is 0.125.

Base conversion 20402989

Base System Value
2 Binary 1001101110101001100101101
3 Ternary 1102101120122021
4 Quaternary 1031311030231
5 Quinary 20210343424
6 Senary 2005150141
8 Octal 115651455
10 Decimal 20402989
12 Duodecimal 69bb351
16 Hexadecimal 137532d
20 Vigesimal 67a799
36 Base36 c5b1p

Cryptographic Hash Functions

md5 fbf0a0309b5da4f1aaae8ad7a08356d9
sha1 500eacf62e573537b7d79495bdc9e7d92f67ff11
sha256 1f2ba9437d010f6f31c18d00dfa027dcf99ec59dd63fba150f7eb9696b7c4466
sha512 7bf34f41ff1f28bd3ee3db9296a37a052bbd7a5bd1d11e2c61cce0d7acaa165b6ab19511f2e7c776098c39ebc2df0eae356fc62d34b7abd9160345e80843c8a5
ripemd-160 f8cde992b5a557f6dc0e87cf4518a7db1ec3022d

20402989 as geometric shapes

Circle

Radius = n
Diameter 40805978
Circumference 128195760.70735
Area 1.3077883477793E+15

Sphere

Radius = n
Volume 3.5577055032093E+22
Surface area 5.2311533911173E+15
Circumference 128195760.70735

Square

Length = n
Perimeter 81611956
Area 416281960134121
Diagonal 28854183.756749

Cube

Length = n
Surface area 2497691760804726
Volume 8.4933962535149E+21
Space diagonal 35339013.574269

Equilateral Triangle

Length = n
Perimeter 61208967
Area 1.8025537630666E+14
Altitude 17669506.787134

Triangular Pyramid

Length = n
Surface area 1.8025537630666E+14
Volume 1.0009563476941E+21
Height 9618061.2522497