1681985 (number)

1681985 is an odd 7-digits composite number following 1681984 and preceding 1681986. In scientific notation, it is written as 1.681985 × 10^6. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 1345584 positive integers (up to 1681985) that are relatively prime to 1681985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.681985 × 10^6
Engineering notation 1.681985 × 10^6

Prime Factorization of 1681985

Prime Factorization 5 × 336397

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1681985
Product of the distinct prime numbers

The prime factorization of 1681985 is 5 × 336397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1681985)

Multiplication

n×y
n×2 3363970
n×3 5045955
n×4 6727940
n×5 8409925

Division

n÷y
n÷2 840992.5
n÷3 560661.66666667
n÷3 420496.25
n÷5 336397

Exponentiation

ny
n2 2829073540225
n3 4758459258555346625
n4 8.0036570960012E+24
n5 1.3462031180618E+31

Nth Root

y√n
2√n 1296.9136440026
3√n 118.92524080614
4√n 36.012687264387
5√n 17.585892890107

Divisors of 1681985

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 -1681984
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 1681985 can be divided by 4 positive divisors. The sum of these divisors (counting 1681985) is 1, the average is 0.25.

Base conversion 1681985

Base System Value
2 Binary 110011010101001000001
3 Ternary 10011110020202
4 Quaternary 12122221001
5 Quinary 412310420
6 Senary 100014545
8 Octal 6325101
10 Decimal 1681985
12 Duodecimal 691455
16 Hexadecimal 19aa41
20 Vigesimal aa4j5
36 Base36 101tt

Cryptographic Hash Functions

md5 36eb2bda6ba546cf8624c9dc3b78a340
sha1 10b93cc82569c49c20d3f0ad7d1b9eb38a51a5e8
sha256 41e4b55b847fa6967535dad1187e7a331e9714e6902f5ed524c2e37242b845aa
sha512 67dad00de3be747a2057d46f75272f9835c9d19e7b898aa21821619bb5b23491aff055d1609525462a8627ee8c5441fa5077d1695209b8c240a97e0406d0c54f
ripemd-160 c5b7d6657dc392e6c09b7154b05f1889f5ed7282

1681985 as geometric shapes

Circle

Radius = n
Diameter 3363970
Circumference 10568223.438896
Area 8887796650436.1

Sphere

Radius = n
Volume 1.9932187532112E+19
Surface area 35551186601745
Circumference 10568223.438896

Square

Length = n
Perimeter 6727940
Area 2829073540225
Diagonal 2378685.9987081

Cube

Length = n
Surface area 16974441241350
Volume 4758459258555346625
Space diagonal 2913283.4775687

Equilateral Triangle

Length = n
Perimeter 5045955
Area 1225024777504.6
Altitude 1456641.7387844

Triangular Pyramid

Length = n
Surface area 1225024777504.6
Volume 5.6078980162073E+17
Height 792895.3329027