1991485 (number)

1991485 is an odd 7-digits composite number following 1991484 and preceding 1991486. In scientific notation, it is written as 1.991485 × 10^6. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 1509264 positive integers (up to 1991485) that are relatively prime to 1991485.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety-one thousand four hundred eighty-five

Notation

Scientific notation 1.991485 × 10^6
Engineering notation 1.991485 × 10^6

Prime Factorization of 1991485

Prime Factorization 5 × 19 × 20963

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1991485
Product of the distinct prime numbers

The prime factorization of 1991485 is 5 × 19 × 20963. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1991485)

Multiplication

n×y
n×2 3982970
n×3 5974455
n×4 7965940
n×5 9957425

Division

n÷y
n÷2 995742.5
n÷3 663828.33333333
n÷3 497871.25
n÷5 398297

Exponentiation

ny
n2 3966012505225
n3 7898254413968009125
n4 1.5729255191601E+25
n5 3.1324575775246E+31

Nth Root

y√n
2√n 1411.1998441043
3√n 125.81304683953
4√n 37.565939947036
5√n 18.190113458348

Divisors of 1991485

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 -1991484
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 1991485 can be divided by 8 positive divisors. The sum of these divisors (counting 1991485) is 1, the average is 0.125.

Base conversion 1991485

Base System Value
2 Binary 111100110001100111101
3 Ternary 10202011210201
4 Quaternary 13212030331
5 Quinary 1002211420
6 Senary 110403501
8 Octal 7461475
10 Decimal 1991485
12 Duodecimal 800591
16 Hexadecimal 1e633d
20 Vigesimal c8ie5
36 Base36 16on1

Cryptographic Hash Functions

md5 58ba7ffb18d4ec714e17f3a48f38cd96
sha1 bcfdf45d8ea8ec41ee2a72d374163c286cf332d9
sha256 a8714e12c33a503ae371764e8f6b55085a07b7ad28dc3f28e771fbb3de3ffe54
sha512 ed4df427eb60bcf7be35b8063b4ed4296e97b8b2d605761d9e6137f51fec6b93ab6a7cc68a91d3bd394e168f17d7c35f6aff684ff1b04774071488a07afa0575
ripemd-160 7f7e7d411f3f7743cefa84c8bd1cdfe1baaae571

1991485 as geometric shapes

Circle

Radius = n
Diameter 3982970
Circumference 12512869.291469
Area 12459595750460

Sphere

Radius = n
Volume 3.308413072414E+19
Surface area 49838383001840
Circumference 12512869.291469

Square

Length = n
Perimeter 7965940
Area 3966012505225
Diagonal 2816385.0962626

Cube

Length = n
Surface area 23796075031350
Volume 7898254413968009125
Space diagonal 3449353.2025113

Equilateral Triangle

Length = n
Perimeter 5974455
Area 1717333790625.8
Altitude 1724676.6012557

Triangular Pyramid

Length = n
Surface area 1717333790625.8
Volume 9.3081820927556E+17
Height 938795.03208753