2021985 (number)

2021985 is an odd 7-digits composite number following 2021984 and preceding 2021986. In scientific notation, it is written as 2.021985 × 10^6. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 917280 positive integers (up to 2021985) that are relatively prime to 2021985.

Interesting facts

Basic properties

Name

Name two million twenty-one thousand nine hundred eighty-five

Notation

Scientific notation 2.021985 × 10^6
Engineering notation 2.021985 × 10^6

Prime Factorization of 2021985

Prime Factorization 15 × 21 × 49 × 131

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2021985
Product of the distinct prime numbers

The prime factorization of 2021985 is 15 × 21 × 49 × 131. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2021985)

Multiplication

n×y
n×2 4043970
n×3 6065955
n×4 8087940
n×5 10109925

Division

n÷y
n÷2 1010992.5
n÷3 673995
n÷3 505496.25
n÷5 404397

Exponentiation

ny
n2 4088423340225
n3 8266730667584846625
n4 1.6715205408897E+25
n5 3.3797894608708E+31

Nth Root

y√n
2√n 1421.9651894473
3√n 126.45207973138
4√n 37.708953703959
5√n 18.245492295769

Divisors of 2021985

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 -2021984
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 2021985 can be divided by 16 positive divisors. The sum of these divisors (counting 2021985) is 1, the average is 0.0625.

Base conversion 2021985

Base System Value
2 Binary 111101101101001100001
3 Ternary 10210201122100
4 Quaternary 13231221201
5 Quinary 1004200420
6 Senary 111201013
8 Octal 7555141
10 Decimal 2021985
12 Duodecimal 816169
16 Hexadecimal 1eda61
20 Vigesimal ccej5
36 Base36 17c69

Cryptographic Hash Functions

md5 37062305dee3952ba4496e1adfd889b1
sha1 bc1534d76a15f5fc1910105731199f01b590a8ba
sha256 b4a4001f6f1221bca7823901ddf2112e188144bb0a05ff929e2d84767ce62c50
sha512 2e9a0c77ac9da07c76fe13a04e1f6ddd9c0910f50a61dce60f5307421ab67ab339c1dead79d6905a0bcbe7abcfba28ed2b2bef44be2d31cb684276447eeb65dc
ripemd-160 0671b9fc379cd6011894a5872a68b80f7a545b52

2021985 as geometric shapes

Circle

Radius = n
Diameter 4043970
Circumference 12704506.443338
Area 12844160730416

Sphere

Radius = n
Volume 3.4627600445987E+19
Surface area 51376642921664
Circumference 12704506.443338

Square

Length = n
Perimeter 8087940
Area 4088423340225
Diagonal 2859518.609915

Cube

Length = n
Surface area 24530540041350
Volume 8266730667584846625
Space diagonal 3502180.7521422

Equilateral Triangle

Length = n
Perimeter 6065955
Area 1770339237030
Altitude 1751090.3760711

Triangular Pyramid

Length = n
Surface area 1770339237030
Volume 9.7424355221534E+17
Height 953172.86997165