1990642 (number)

1990642 is an even 7-digits composite number following 1990641 and preceding 1990643. In scientific notation, it is written as 1.990642 × 10^6. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 956592 positive integers (up to 1990642) that are relatively prime to 1990642.

Interesting facts

Basic properties

Name

Name one million nine hundred ninety thousand six hundred forty-two

Notation

Scientific notation 1.990642 × 10^6
Engineering notation 1.990642 × 10^6

Prime Factorization of 1990642

Prime Factorization 2 × 79 × 43 × 293

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1990642
Product of the distinct prime numbers

The prime factorization of 1990642 is 2 × 79 × 43 × 293. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1990642)

Multiplication

n×y
n×2 3981284
n×3 5971926
n×4 7962568
n×5 9953210

Division

n÷y
n÷2 995321
n÷3 663547.33333333
n÷3 497660.5
n÷5 398128.4

Exponentiation

ny
n2 3962655572164
n3 7888228613483689288
n4 1.5702639183602E+25
n5 3.1258333069725E+31

Nth Root

y√n
2√n 1410.9011304836
3√n 125.79529202052
4√n 37.561963879484
5√n 18.188573214488

Divisors of 1990642

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 -1990641
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 1990642 can be divided by 16 positive divisors. The sum of these divisors (counting 1990642) is 1, the average is 0.0625.

Base conversion 1990642

Base System Value
2 Binary 111100101111111110010
3 Ternary 10202010122111
4 Quaternary 13211333302
5 Quinary 1002200032
6 Senary 110355534
8 Octal 7457762
10 Decimal 1990642
12 Duodecimal 7bbbaa
16 Hexadecimal 1e5ff2
20 Vigesimal c8gc2
36 Base36 16nzm

Cryptographic Hash Functions

md5 65dcc98f9add0db0182f2929fc3c7904
sha1 d39b9cc453da1028b7f41d4a909a5f9803ba0aa1
sha256 7e1d69b377a5aba16b101ecf427692370179bb9de9130e99ec6924db6a195039
sha512 16636053348ba3bfebcadb3a4b20db10edc27c1a54e385e692c5a29b1315480889bda560c7f2caa681841605903c4d3a2734e1348483f4b9fdb0e0fd7379e1ee
ripemd-160 150db4495cb19555b3dda95fa452baf579c04c1a

1990642 as geometric shapes

Circle

Radius = n
Diameter 3981284
Circumference 12507572.566255
Area 12449049634217

Sphere

Radius = n
Volume 3.3042134749276E+19
Surface area 49796198536868
Circumference 12507572.566255

Square

Length = n
Perimeter 7962568
Area 3962655572164
Diagonal 2815192.9142295

Cube

Length = n
Surface area 23775933432984
Volume 7888228613483689288
Space diagonal 3447893.0836805

Equilateral Triangle

Length = n
Perimeter 5971926
Area 1715880195971
Altitude 1723946.5418403

Triangular Pyramid

Length = n
Surface area 1715880195971
Volume 9.2963665735735E+17
Height 938397.6380765