16405989 (number)

16405989 is an odd 8-digits composite number following 16405988 and preceding 16405990. In scientific notation, it is written as 1.6405989 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 10834896 positive integers (up to 16405989) that are relatively prime to 16405989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6405989 × 10^7
Engineering notation 1.6405989 × 10^6

Prime Factorization of 16405989

Prime Factorization 3 × 107 × 51109

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16405989
Product of the distinct prime numbers

The prime factorization of 16405989 is 3 × 107 × 51109. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 53, 28, 720, 306, 6227, 5879, 22488, 98737, 517725, 558211, 788734, 9889133, 71635690, 44640488, 150166218, 489414394, 446653652, 1029477836

Basic calculations (n = 16405989)

Multiplication

n×y
n×2 32811978
n×3 49217967
n×4 65623956
n×5 82029945

Division

n÷y
n÷2 8202994.5
n÷3 5468663
n÷3 4101497.25
n÷5 3281197.8

Exponentiation

ny
n2 269156475068121
n3 4.4157781692464E+21
n4 7.2445208071096E+28
n5 1.1885352867171E+36

Nth Root

y√n
2√n 4050.4307178373
3√n 254.0977417454
4√n 63.642994255749
5√n 27.733231903084

Divisors of 16405989

1, 3, 107, 321, 51109, 153327, 5468663, 16405989

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 -16405988
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 16405989 can be divided by 8 positive divisors. The sum of these divisors (counting 16405989) is 1, the average is 0.125.

Base conversion 16405989

Base System Value
2 Binary 111110100101010111100101
3 Ternary 1010212111210020
4 Quaternary 332211113211
5 Quinary 13144442424
6 Senary 1343345353
8 Octal 76452745
10 Decimal 16405989
12 Duodecimal 55b2259
16 Hexadecimal fa55e5
20 Vigesimal 52aej9
36 Base36 9rmxx

Cryptographic Hash Functions

md5 2414e4755e39d55e32fbdf76e510e888
sha1 55f8b76f6a1e4f3aebc0937e8a0fe7c81cf4694c
sha256 86671325b6c07121ccfaf10e3dd158e3a74e6761561e65580c2c6fe7a46bad7a
sha512 73f04e84c2c613eb45159db25c73fc854508376e068e150579b40a22e04f73a30d465cff87ccba6e8593f5aedc960da93f8e57887d5f490d07ccb07d5d82a3c8
ripemd-160 4612fc80d79b691452888645b341906af4444615

16405989 as geometric shapes

Circle

Radius = n
Diameter 32811978
Circumference 103081869.03455
Area 8.4558000474013E+14

Sphere

Radius = n
Volume 1.8496768341849E+22
Surface area 3.3823200189605E+15
Circumference 103081869.03455

Square

Length = n
Perimeter 65623956
Area 269156475068121
Diagonal 23201572.147944

Cube

Length = n
Surface area 1614938850408726
Volume 4.4157781692464E+21
Space diagonal 28416006.496416

Equilateral Triangle

Length = n
Perimeter 49217967
Area 1.1654817250103E+14
Altitude 14208003.248208

Triangular Pyramid

Length = n
Surface area 1.1654817250103E+14
Volume 5.2040444794827E+20
Height 7733857.3826479