1986985 (number)

1986985 is an odd 7-digits composite number following 1986984 and preceding 1986986. In scientific notation, it is written as 1.986985 × 10^6. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 1140480 positive integers (up to 1986985) that are relatively prime to 1986985.

Interesting facts

Basic properties

Name

Name one million nine hundred eighty-six thousand nine hundred eighty-five

Notation

Scientific notation 1.986985 × 10^6
Engineering notation 1.986985 × 10^6

Prime Factorization of 1986985

Prime Factorization 11 × 13 × 35 × 397

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1986985
Product of the distinct prime numbers

The prime factorization of 1986985 is 11 × 13 × 35 × 397. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 26, 90, 548, 67, 6974, 4148, 3695, 40537, 76910, 828946, 5364947, 9691637, 63154095, 84338950, 157519565, 975286566, 9945831238, 6887693049

Basic calculations (n = 1986985)

Multiplication

n×y
n×2 3973970
n×3 5960955
n×4 7947940
n×5 9934925

Division

n÷y
n÷2 993492.5
n÷3 662328.33333333
n÷3 496746.25
n÷5 397397

Exponentiation

ny
n2 3948109390225
n3 7844834136736221625
n4 1.5587567757183E+25
n5 3.0972263320006E+31

Nth Root

y√n
2√n 1409.6045544762
3√n 125.71821213386
4√n 37.544700750921
5√n 18.181885468082

Divisors of 1986985

1, 11, 13, 35, 143, 385, 397, 455, 4367, 5005, 5161, 13895, 56771, 152845, 180635, 1986985

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 -1986984
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 1986985 can be divided by 16 positive divisors. The sum of these divisors (counting 1986985) is 1, the average is 0.0625.

Base conversion 1986985

Base System Value
2 Binary 111100101000110101001
3 Ternary 10201221122001
4 Quaternary 13211012221
5 Quinary 1002040420
6 Senary 110331001
8 Octal 7450651
10 Decimal 1986985
12 Duodecimal 7b9a61
16 Hexadecimal 1e51a9
20 Vigesimal c8795
36 Base36 16l61

Cryptographic Hash Functions

md5 f125458264116e13731a87aaa76981d9
sha1 594d8cdcd4edca1d2354807113081911330a5d4f
sha256 d3b2f673b1c5ca8e5415f45199338c4b6384d8b547a60341f00be31bdc25991f
sha512 96589f7fb730d81f11631df427397436b40c3f1752f0b5a408b54c6a28c75adadc0ca92b3b1d1f86cdfc1cbe0471b2a207d9f56dd3f5e0de734144592e409692
ripemd-160 b09e093df842f72fa654ae7c511dfed300b53e6b

1986985 as geometric shapes

Circle

Radius = n
Diameter 3973970
Circumference 12484594.957586
Area 12403351455900

Sphere

Radius = n
Volume 3.2860364390135E+19
Surface area 49613405823599
Circumference 12484594.957586

Square

Length = n
Perimeter 7947940
Area 3948109390225
Diagonal 2810021.1352319

Cube

Length = n
Surface area 23688656341350
Volume 7844834136736221625
Space diagonal 3441558.9738772

Equilateral Triangle

Length = n
Perimeter 5960955
Area 1709581514427.4
Altitude 1720779.4869386

Triangular Pyramid

Length = n
Surface area 1709581514427.4
Volume 9.2452256922832E+17
Height 936673.71174397