20455989 (number)

20455989 is an odd 8-digits composite number following 20455988 and preceding 20455990. In scientific notation, it is written as 2.0455989 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 12919536 positive integers (up to 20455989) that are relatively prime to 20455989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0455989 × 10^7
Engineering notation 2.0455989 × 10^6

Prime Factorization of 20455989

Prime Factorization 3 × 19 × 358877

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20455989
Product of the distinct prime numbers

The prime factorization of 20455989 is 3 × 19 × 358877. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20455989)

Multiplication

n×y
n×2 40911978
n×3 61367967
n×4 81823956
n×5 102279945

Division

n÷y
n÷2 10227994.5
n÷3 6818663
n÷3 5113997.25
n÷5 4091197.8

Exponentiation

ny
n2 418447485968121
n3 8.5597571700415E+21
n4 1.7509829851304E+29
n5 3.5818088683015E+36

Nth Root

y√n
2√n 4522.8297558055
3√n 273.48918717494
4√n 67.251987002657
5√n 28.984385433242

Divisors of 20455989

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 -20455988
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 20455989 can be divided by 8 positive divisors. The sum of these divisors (counting 20455989) is 1, the average is 0.125.

Base conversion 20455989

Base System Value
2 Binary 1001110000010001000110101
3 Ternary 1102111021100020
4 Quaternary 1032002020311
5 Quinary 20214042424
6 Senary 2010235353
8 Octal 116021065
10 Decimal 20455989
12 Duodecimal 6a25b59
16 Hexadecimal 1382235
20 Vigesimal 67gjj9
36 Base36 c6fxx

Cryptographic Hash Functions

md5 f10d6345b8fca73cd709d799a7dcde99
sha1 e4abf81b7286e8a846183f0743cabbe4595387cd
sha256 0cd5202f91ca44fe2e558319f9dc1e6fdf49a35c5989c72288dba82d5a8c7b55
sha512 84250f90050c6e87c677c1021e9abac576a8687a4fb98522703ffbd4d10ed515028774d42677ea7140beba0cb7feb09e0929d311b5bc0bc482f0fd960beb08ff
ripemd-160 310a2620fa48916bab0ea9d763e7ebb58dfa3a63

20455989 as geometric shapes

Circle

Radius = n
Diameter 40911978
Circumference 128528769.52863
Area 1.3145915478306E+15

Sphere

Radius = n
Volume 3.585502698922E+22
Surface area 5.2583661913223E+15
Circumference 128528769.52863

Square

Length = n
Perimeter 81823956
Area 418447485968121
Diagonal 28929137.075555

Cube

Length = n
Surface area 2510684915808726
Volume 8.5597571700415E+21
Space diagonal 35430812.26707

Equilateral Triangle

Length = n
Perimeter 61367967
Area 1.8119307649906E+14
Altitude 17715406.133535

Triangular Pyramid

Length = n
Surface area 1.8119307649906E+14
Volume 1.0087770567078E+21
Height 9643045.6918516