19405989 (number)

19405989 is an odd 8-digits composite number following 19405988 and preceding 19405990. In scientific notation, it is written as 1.9405989 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 12937320 positive integers (up to 19405989) that are relatively prime to 19405989.

Interesting facts

Basic properties

Name

Name nineteen million four hundred five thousand nine hundred eighty-nine

Notation

Scientific notation 1.9405989 × 10^7
Engineering notation 1.9405989 × 10^6

Prime Factorization of 19405989

Prime Factorization 9 × 2156221

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19405989
Product of the distinct prime numbers

The prime factorization of 19405989 is 9 × 2156221. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 10, 84, 13, 259, 256, 4784, 5185, 61006, 64904, 621559, 600203, 3967040, 819894, 36963313, 79500813, 460719366, 325652274, 969488613, 3608737660

Basic calculations (n = 19405989)

Multiplication

n×y
n×2 38811978
n×3 58217967
n×4 77623956
n×5 97029945

Division

n÷y
n÷2 9702994.5
n÷3 6468663
n÷3 4851497.25
n÷5 3881197.8

Exponentiation

ny
n2 376592409068121
n3 7.3081481478595E+21
n4 1.4182184256773E+29
n5 2.7521931168291E+36

Nth Root

y√n
2√n 4405.2229228496
3√n 268.72738558586
4√n 66.371853393209
5√n 28.680528916132

Divisors of 19405989

1, 9, 2156221, 19405989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19405988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19405989 can be divided by 4 positive divisors. The sum of these divisors (counting 19405989) is 1, the average is 0.25.

Base conversion 19405989

Base System Value
2 Binary 1001010000001110010100101
3 Ternary 1100111221000100
4 Quaternary 1022001302211
5 Quinary 14431442424
6 Senary 1531534313
8 Octal 112016245
10 Decimal 19405989
12 Duodecimal 65ba399
16 Hexadecimal 1281ca5
20 Vigesimal 615ej9
36 Base36 bjxr9

Cryptographic Hash Functions

md5 a3eb6ea903c9198247d47476ae4c8b0b
sha1 1b9350eecd853d15bb8a7b576cc1d22bb92e58fd
sha256 02dd409922c457845606f3f5cf931b3f3d0ced627565aebe9804d248c731ba1b
sha512 23bf8f50d7941d5c701fdfbef088d8cf5478dc5053d1ff6a175a2048ffbe18fddc05d18fa385bf33c5c7321c8d1fd2a92e44404503887d73f9d06c25c322fe47
ripemd-160 1cdcc1268a461d03d4022605d04068ded084af18

19405989 as geometric shapes

Circle

Radius = n
Diameter 38811978
Circumference 121931424.95609
Area 1.1830999457261E+15

Sphere

Radius = n
Volume 3.0612299376881E+22
Surface area 4.7323997829044E+15
Circumference 121931424.95609

Square

Length = n
Perimeter 77623956
Area 376592409068121
Diagonal 27444212.835063

Cube

Length = n
Surface area 2259554454408726
Volume 7.3081481478595E+21
Space diagonal 33612158.919123

Equilateral Triangle

Length = n
Perimeter 58217967
Area 1.6306929656269E+14
Altitude 16806079.459561

Triangular Pyramid

Length = n
Surface area 1.6306929656269E+14
Volume 8.6127351887789E+20
Height 9148070.945021