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

1998145 (number)

1998145 is an odd 7-digits composite number following 1998144 and preceding 1998146. In scientific notation, it is written as 1.998145 × 10^6. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 1586304 positive integers (up to 1998145) that are relatively prime to 1998145.

Interesting facts

1998145 has 8 divisors, whose sum is 2416104
The reverse of 1998145 is 5418991
Previous prime number is 137

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-eight thousand one hundred forty-five

Notation

Scientific notation	1.998145 × 10^6
Engineering notation	1.998145 × 10^6

Prime Factorization of 1998145

Prime Factorization 5 × 137 × 2917

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1998145	Product of the distinct prime numbers

The prime factorization of 1998145 is 5 × 137 × 2917. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 3, 92, 51, 143, 79, 1351, 7076, 33070, 61200, 972281, 511716, 1999163, 3767091, 58591691, 73869960, 287427085, 497783629, 4960625886, 6333858259

Basic calculations (n = 1998145)

Multiplication

n×y

n×2	3996290
n×3	5994435
n×4	7992580
n×5	9990725

Division

n÷y

n÷2	999072.5
n÷3	666048.33333333
n÷3	499536.25
n÷5	399629

Exponentiation

n^y

n²	3992583441025
n³	7977760639766898625
n⁴	1.5940722533547E+25
n⁵	3.1851875026794E+31

Nth Root

^y√n

²√n	1413.5575686897
³√n	125.95314038132
⁴√n	37.59730799791
⁵√n	18.202263630045

Divisors of 1998145

1, 5, 137, 685, 2917, 14585, 399629, 1998145

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	-1998144	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 1998145 can be divided by 8 positive divisors. The sum of these divisors (counting 1998145) is 1, the average is 0.125.

Base conversion 1998145

Base	System	Value
2	Binary	111100111110101000001
3	Ternary	10202111221101
4	Quaternary	13213311001
5	Quinary	1002420040
6	Senary	110454401
8	Octal	7476501
10	Decimal	1998145
12	Duodecimal	804401
16	Hexadecimal	1e7d41
20	Vigesimal	c9f75
36	Base36	16ts1

Cryptographic Hash Functions

md5	0fa69a56518e481ebfbcea4a560f0ec3
sha1	09b9613b3f51d1cd4f5912636752a9e248bfc892
sha256	a105026db74507ac8f0578574455903649970ab9a4fde4d00164024347fda040
sha512	606ff679c5f945e500f81bc7dbd547e1459be0b80baccd786a6f4e896a666b4203d27075347f73d671ef6e295d8e4c9ff2c725ad6828da991fd7bd671ef50c59
ripemd-160	9f8d6406ba819fb92c8ab71b25d50736bc633143

1998145 as geometric shapes

Circle

Radius = n

Diameter	3996290
Circumference	12554715.305614
Area	12543070807168

Sphere

Radius = n

Volume	3.3417165623986E+19
Surface area	50172283228674
Circumference	12554715.305614

Square

Length = n

Perimeter	7992580
Area	3992583441025
Diagonal	2825803.758588

Cube

Length = n

Surface area	23955500646150
Volume	7977760639766898625
Space diagonal	3460888.6608897

Equilateral Triangle

Length = n

Perimeter	5994435
Area	1728839343328.4
Altitude	1730444.3304449

Triangular Pyramid

Length = n

Surface area	1728839343328.4
Volume	9.4018810784372E+17
Height	941934.586196