20393989 (number)

20393989 is an odd 8-digits composite number following 20393988 and preceding 20393990. In scientific notation, it is written as 2.0393989 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 15341760 positive integers (up to 20393989) that are relatively prime to 20393989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0393989 × 10^7
Engineering notation 2.0393989 × 10^6

Prime Factorization of 20393989

Prime Factorization 9133 × 203 × 11

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20393989
Product of the distinct prime numbers

The prime factorization of 20393989 is 9133 × 203 × 11. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20393989)

Multiplication

n×y
n×2 40787978
n×3 61181967
n×4 81575956
n×5 101969945

Division

n÷y
n÷2 10196994.5
n÷3 6797996.3333333
n÷3 5098497.25
n÷5 4078797.8

Exponentiation

ny
n2 415914787332121
n3 8.4821615977886E+21
n4 1.7298511032152E+29
n5 3.5278564370609E+36

Nth Root

y√n
2√n 4515.9704383443
3√n 273.21260168087
4√n 67.200970516387
5√n 28.966794355002

Divisors of 20393989

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 -20393988
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 20393989 can be divided by 8 positive divisors. The sum of these divisors (counting 20393989) is 1, the average is 0.125.

Base conversion 20393989

Base System Value
2 Binary 1001101110011000000000101
3 Ternary 1102101010021221
4 Quaternary 1031303000011
5 Quinary 20210101424
6 Senary 2005040341
8 Octal 115630005
10 Decimal 20393989
12 Duodecimal 69b60b1
16 Hexadecimal 1373005
20 Vigesimal 6794j9
36 Base36 c543p

Cryptographic Hash Functions

md5 615f9225211b3534b142965954e89873
sha1 914176b19dc9505e441a902ea1873496acdb66df
sha256 ccba281223454df7d3f23f9ded7abe1bc91daf937db1c326a8579aff72b5fddf
sha512 1e08f197759fa7023e0d3f273289df2be77fd59e3e322276433ae4a4355f69ee5d8d0c5c5195a8263de519b977afac8f97a703ed3a521a196839f7fc5f561246
ripemd-160 46db275b147545aa85bd82fd695fa5c61c9dc0d3

20393989 as geometric shapes

Circle

Radius = n
Diameter 40787978
Circumference 128139212.03958
Area 1.306634840402E+15

Sphere

Radius = n
Volume 3.5529995416232E+22
Surface area 5.2265393616078E+15
Circumference 128139212.03958

Square

Length = n
Perimeter 81575956
Area 415914787332121
Diagonal 28841455.834688

Cube

Length = n
Surface area 2495488723992726
Volume 8.4821615977886E+21
Space diagonal 35323425.117001

Equilateral Triangle

Length = n
Perimeter 61181967
Area 1.8009638581961E+14
Altitude 17661712.5585

Triangular Pyramid

Length = n
Surface area 1.8009638581961E+14
Volume 9.9963233081941E+20
Height 9613818.6115626