20407989 (number)

20407989 is an odd 8-digits composite number following 20407988 and preceding 20407990. In scientific notation, it is written as 2.0407989 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 11624448 positive integers (up to 20407989) that are relatively prime to 20407989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0407989 × 10^7
Engineering notation 2.0407989 × 10^6

Prime Factorization of 20407989

Prime Factorization 3 × 7 × 353 × 2753

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20407989
Product of the distinct prime numbers

The prime factorization of 20407989 is 3 × 7 × 353 × 2753. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 37, 8, 696, 458, 39, 1444, 58137, 70906, 383978, 714516, 4943351, 3963582, 45686523, 14512153, 171213428, 262513178, 8716930397, 5356417102

Basic calculations (n = 20407989)

Multiplication

n×y
n×2 40815978
n×3 61223967
n×4 81631956
n×5 102039945

Division

n÷y
n÷2 10203994.5
n÷3 6802663
n÷3 5101997.25
n÷5 4081597.8

Exponentiation

ny
n2 416486015024121
n3 8.4996420132661E+21
n4 1.7346060071067E+29
n5 3.5399820312368E+36

Nth Root

y√n
2√n 4517.5202268501
3√n 273.27510541673
4√n 67.212500525201
5√n 28.970770269774

Divisors of 20407989

1, 3, 7, 21, 353, 1059, 2471, 2753, 7413, 8259, 19271, 57813, 971809, 2915427, 6802663, 20407989

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 -20407988
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 20407989 can be divided by 16 positive divisors. The sum of these divisors (counting 20407989) is 1, the average is 0.0625.

Base conversion 20407989

Base System Value
2 Binary 1001101110110011010110101
3 Ternary 1102101211111110
4 Quaternary 1031312122311
5 Quinary 20211023424
6 Senary 2005225233
8 Octal 115663265
10 Decimal 20407989
12 Duodecimal 6a02219
16 Hexadecimal 13766b5
20 Vigesimal 67ajj9
36 Base36 c5ewl

Cryptographic Hash Functions

md5 cf3318d1c0085d9a272e58016ae5d257
sha1 6cfd8a8731b20555c23140e9b0e2bc6390b0e377
sha256 e616b06d700019a86c3c39331f624bf57b1abb940aa17a4cd52637f4d8cd6aa6
sha512 43df8b04f033075b91f69604f46d3e28c2d2e3a3b0c4f8da97393cdc007530a4f396502d1f932d5ce50eff9f4e6469c88fd2622416b8d745db5d21e5d1141228
ripemd-160 f10939a7e52b93658980a43b1baf2d40167d4e31

20407989 as geometric shapes

Circle

Radius = n
Diameter 40815978
Circumference 128227176.63388
Area 1.3084294051227E+15

Sphere

Radius = n
Volume 3.560321720936E+22
Surface area 5.2337176204907E+15
Circumference 128227176.63388

Square

Length = n
Perimeter 81631956
Area 416486015024121
Diagonal 28861254.824561

Cube

Length = n
Surface area 2498916090144726
Volume 8.4996420132661E+21
Space diagonal 35347673.828307

Equilateral Triangle

Length = n
Perimeter 61223967
Area 1.8034373466592E+14
Altitude 17673836.914153

Triangular Pyramid

Length = n
Surface area 1.8034373466592E+14
Volume 1.0016924175398E+21
Height 9620418.2748536