Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

1990387 (number)

1990387 is an odd 7-digits composite number following 1990386 and preceding 1990388. In scientific notation, it is written as 1.990387 × 10^6. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 1706040 positive integers (up to 1990387) that are relatively prime to 1990387.

Interesting facts

1990387 has 4 divisors, whose sum is 2274736
The reverse of 1990387 is 7830991
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 37
Digital Root 1

Name

Name	one million nine hundred ninety thousand three hundred eighty-seven

Notation

Scientific notation	1.990387 × 10^6
Engineering notation	1.990387 × 10^6

Prime Factorization of 1990387

Prime Factorization 7 × 284341

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	1990387	Product of the distinct prime numbers

The prime factorization of 1990387 is 7 × 284341. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 6, 50, 19, 801, 244, 6080, 6844, 69986, 32640, 824151, 529976, 6639846, 5969221, 61238081, 87670946, 363533343, 979289521, 1855879607, 2380080548

Basic calculations (n = 1990387)

Multiplication

n×y

n×2	3980774
n×3	5971161
n×4	7961548
n×5	9951935

Division

n÷y

n÷2	995193.5
n÷3	663462.33333333
n÷3	497596.75
n÷5	398077.4

Exponentiation

n^y

n²	3961640409769
n³	7885197570278890603
n⁴	1.5694594736315E+25
n⁵	3.1238317333429E+31

Nth Root

^y√n

²√n	1410.8107598115
³√n	125.7899203583
⁴√n	37.560760905652
⁵√n	18.18810720163

Divisors of 1990387

1, 7, 284341, 1990387

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	-1990386	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 1990387 can be divided by 4 positive divisors. The sum of these divisors (counting 1990387) is 1, the average is 0.25.

Base conversion 1990387

Base	System	Value
2	Binary	111100101111011110011
3	Ternary	10202010022001
4	Quaternary	13211323303
5	Quinary	1002143022
6	Senary	110354431
8	Octal	7457363
10	Decimal	1990387
12	Duodecimal	7bba17
16	Hexadecimal	1e5ef3
20	Vigesimal	c8fj7
36	Base36	16nsj

Cryptographic Hash Functions

md5	13fd6ddad6ee046b2622e4464d7e17b9
sha1	ffbdab5bfee2533f1744fb15e2cfa883191fee28
sha256	fd50ee89e721178c6b105c8db0d714134d0cedbb7ae63dc378fe8fee5b2440e3
sha512	b6172c33f7b68621c843214f40ba996dbc7bf7aeeb0e936c45715fb147f1af62ceb978a1c7c2eb9a42ecc6da5991f3d1d8005acc0a51fef21177902406d14fd8
ripemd-160	6b36d69272ae4bbabe77df6d797e57dcee311996

1990387 as geometric shapes

Circle

Radius = n

Diameter	3980774
Circumference	12505970.354001
Area	12445860407495

Sphere

Radius = n

Volume	3.302943834519E+19
Surface area	49783441629979
Circumference	12505970.354001

Square

Length = n

Perimeter	7961548
Area	3961640409769
Diagonal	2814832.2897711

Cube

Length = n

Surface area	23769842458614
Volume	7885197570278890603
Space diagonal	3447451.4107246

Equilateral Triangle

Length = n

Perimeter	5971161
Area	1715440617759.5
Altitude	1723725.7053623

Triangular Pyramid

Length = n

Surface area	1715440617759.5
Volume	9.2927944548998E+17
Height	938277.4299237