16389985 (number)

16389985 is an odd 8-digits composite number following 16389984 and preceding 16389986. In scientific notation, it is written as 1.6389985 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 12737088 positive integers (up to 16389985) that are relatively prime to 16389985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.6389985 × 10^7
Engineering notation 1.6389985 × 10^6

Prime Factorization of 16389985

Prime Factorization 5 × 53 × 127 × 487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 16389985
Product of the distinct prime numbers

The prime factorization of 16389985 is 5 × 53 × 127 × 487. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 19, 6, 993, 185, 1768, 7100, 14409, 75079, 500965, 550122, 5478883, 4301576, 15650868, 99674156, 171940573, 518294390, 1457640752, 5419769865

Basic calculations (n = 16389985)

Multiplication

n×y
n×2 32779970
n×3 49169955
n×4 65559940
n×5 81949925

Division

n÷y
n÷2 8194992.5
n÷3 5463328.3333333
n÷3 4097496.25
n÷5 3277997

Exponentiation

ny
n2 268631608300225
n3 4.4028680305666E+21
n4 7.2162940977966E+28
n5 1.1827495201847E+36

Nth Root

y√n
2√n 4048.4546434411
3√n 254.0150909669
4√n 63.627467680563
5√n 27.727819051329

Divisors of 16389985

1, 5, 53, 127, 265, 487, 635, 2435, 6731, 25811, 33655, 61849, 129055, 309245, 3277997, 16389985

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 -16389984
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 16389985 can be divided by 16 positive divisors. The sum of these divisors (counting 16389985) is 1, the average is 0.0625.

Base conversion 16389985

Base System Value
2 Binary 111110100001011101100001
3 Ternary 1010211200211111
4 Quaternary 332201131201
5 Quinary 13143434420
6 Senary 1343143321
8 Octal 76413541
10 Decimal 16389985
12 Duodecimal 55a4b41
16 Hexadecimal fa1761
20 Vigesimal 528ej5
36 Base36 9rald

Cryptographic Hash Functions

md5 1f85010c1fab929b524d43d250338e61
sha1 b9bef948fee6d4bf99688109f64615f4646ff273
sha256 c918247162a1f85794426dd475d454d927894fbae561a7760f9c46b5c5f27d01
sha512 798108d0a6b81196754c7c091cb4ac655fe45c3d04ec2a138161c6fcb197f33f567fea6220768ec74f33b62517df89a651e572c152e85a89abe4273744f63938
ripemd-160 a51ebbb100d9c22e0e520f3886c658666e339f71

16389985 as geometric shapes

Circle

Radius = n
Diameter 32779970
Circumference 102981312.93689
Area 8.43931087158E+14

Sphere

Radius = n
Volume 1.8442690479404E+22
Surface area 3.375724348632E+15
Circumference 102981312.93689

Square

Length = n
Perimeter 65559940
Area 268631608300225
Diagonal 23178939.074092

Cube

Length = n
Surface area 1611789649801350
Volume 4.4028680305666E+21
Space diagonal 28388286.755292

Equilateral Triangle

Length = n
Perimeter 49169955
Area 1.1632089852373E+14
Altitude 14194143.377646

Triangular Pyramid

Length = n
Surface area 1.1632089852373E+14
Volume 5.1888297351385E+20
Height 7726313.0246972