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

1990987 (number)

1990987 is an odd 7-digits prime number following 1990986 and preceding 1990988. In scientific notation, it is written as 1.990987 × 10^6. The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors. There are 1990986 positive integers (up to 1990987) that are relatively prime to 1990987.

Interesting facts

1990987 has 2 divisors, whose sum is 1990988
The reverse of 1990987 is 7890991
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 7
Sum of Digits 43
Digital Root 7

Name

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

Notation

Scientific notation	1.990987 × 10^6
Engineering notation	1.990987 × 10^6

Prime Factorization of 1990987

Prime Factorization 1990987

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	1990987	Product of the distinct prime numbers

The prime factorization of 1990987 is 1990987. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 10, 99, 47, 42, 18, 1350, 6448, 72975, 69787, 543937, 836354, 2392158, 3528264, 73982707, 5589411, 607826787, 640869616, 9830238399, 6135856989

Basic calculations (n = 1990987)

Multiplication

n×y

n×2	3981974
n×3	5972961
n×4	7963948
n×5	9954935

Division

n÷y

n÷2	995493.5
n÷3	663662.33333333
n÷3	497746.75
n÷5	398197.4

Exponentiation

n^y

n²	3964029234169
n³	7892330672850434803
n⁴	1.5713527769346E+25
n⁵	3.1285429512908E+31

Nth Root

^y√n

²√n	1411.0233874745
³√n	125.80255883341
⁴√n	37.563591248368
⁵√n	18.189203626465

Divisors of 1990987

1, 1990987

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	1990988	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	995494	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1411.0237418272	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999989954736	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1990987 can be divided by 2 positive divisors. The sum of these divisors (counting 1990987) is 1990988, the average is 995494.

Base conversion 1990987

Base	System	Value
2	Binary	111100110000101001011
3	Ternary	10202011010021
4	Quaternary	13212011023
5	Quinary	1002202422
6	Senary	110401311
8	Octal	7460513
10	Decimal	1990987
12	Duodecimal	800237
16	Hexadecimal	1e614b
20	Vigesimal	c8h97
36	Base36	16o97

Cryptographic Hash Functions

md5	5fbde58a5b8d7571a9a0584796e76372
sha1	c16ff4cefeafb0e8ce544c33f1d71d403e8a48cb
sha256	899c577e545ab5b56f5a58aa6264e07de0d236ae8d1061b691b6c4e3906ac9dd
sha512	1af482755dd8c38ad4baafd93b08bf5e12ea30f5206f4aed7dfe996f96e74f94d384421dbf69702fd978708d587c12b54f76986ebc50c53294bfa0bdbe4efcfa
ripemd-160	64bd55b3c592793e2b00d7b3f2c06c45eb1ba62e

1990987 as geometric shapes

Circle

Radius = n

Diameter	3981974
Circumference	12509740.265186
Area	12453365120681

Sphere

Radius = n

Volume	3.3059317415371E+19
Surface area	49813460482722
Circumference	12509740.265186

Square

Length = n

Perimeter	7963948
Area	3964029234169
Diagonal	2815680.8179085

Cube

Length = n

Surface area	23784175405014
Volume	7892330672850434803
Space diagonal	3448490.6412091

Equilateral Triangle

Length = n

Perimeter	5972961
Area	1716475009067.3
Altitude	1724245.3206046

Triangular Pyramid

Length = n

Surface area	1716475009067.3
Volume	9.3012008968986E+17
Height	938560.27263617