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

1981838 (number)

1981838 is an even 7-digits composite number following 1981837 and preceding 1981839. In scientific notation, it is written as 1.981838 × 10^6. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 981720 positive integers (up to 1981838) that are relatively prime to 1981838.

Interesting facts

1981838 has 8 divisors, whose sum is 3000360
The reverse of 1981838 is 8381891
Previous prime number is 109

Basic properties

Is Prime? no
Number parity even
Number length 7
Sum of Digits 38
Digital Root 2

Name

Name	one million nine hundred eighty-one thousand eight hundred thirty-eight

Notation

Scientific notation	1.981838 × 10^6
Engineering notation	1.981838 × 10^6

Prime Factorization of 1981838

Prime Factorization 2 × 109 × 9091

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1981838	Product of the distinct prime numbers

The prime factorization of 1981838 is 2 × 109 × 9091. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 95, 91, 991, 256, 1271, 5551, 83934, 14728, 85397, 310247, 9757287, 6998572, 6101461, 47645647, 445978482, 1236368, 2696573537, 5480028056

Basic calculations (n = 1981838)

Multiplication

n×y

n×2	3963676
n×3	5945514
n×4	7927352
n×5	9909190

Division

n÷y

n÷2	990919
n÷3	660612.66666667
n÷3	495459.5
n÷5	396367.6

Exponentiation

n^y

n²	3927681858244
n³	7784029158578572472
n⁴	1.5426684779579E+25
n⁵	3.0573190110191E+31

Nth Root

^y√n

²√n	1407.7776813119
³√n	125.60956659657
⁴√n	37.520363555167
⁵√n	18.172456178987

Divisors of 1981838

1, 2, 109, 218, 9091, 18182, 990919, 1981838

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	-1981837	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 1981838 can be divided by 8 positive divisors. The sum of these divisors (counting 1981838) is 1, the average is 0.125.

Base conversion 1981838

Base	System	Value
2	Binary	111100011110110001110
3	Ternary	10201200120102
4	Quaternary	13203312032
5	Quinary	1001404323
6	Senary	110251102
8	Octal	7436616
10	Decimal	1981838
12	Duodecimal	7b6a92
16	Hexadecimal	1e3d8e
20	Vigesimal	c7ebi
36	Base36	16h72

Cryptographic Hash Functions

md5	e9b93068d7b253de6df3833047dc2289
sha1	b77636a384c781473f9d6d5a1690ce731e84be6f
sha256	8bd93e4fbe633135ee5103311e9fedaeadd408087e221476fb29a1da886838b1
sha512	c3443db194b03c7085d3ffdb3ecbf87401b7aa5928de99ebe7d129a1e429b84854c166ca2d74b7fb34a1d26c9fc153152e3387c3b907e3fbe3aa871f87091392
ripemd-160	e94a1d91d3389617ba1dadb500ee683bb8ebe531

1981838 as geometric shapes

Circle

Radius = n

Diameter	3963676
Circumference	12452255.40281
Area	12339176471497

Sphere

Radius = n

Volume	3.2605665093226E+19
Surface area	49356705885989
Circumference	12452255.40281

Square

Length = n

Perimeter	7927352
Area	3927681858244
Diagonal	2802742.1780264

Cube

Length = n

Surface area	23566091149464
Volume	7784029158578572472
Space diagonal	3432644.1083707

Equilateral Triangle

Length = n

Perimeter	5945514
Area	1700736133611.3
Altitude	1716322.0541853

Triangular Pyramid

Length = n

Surface area	1700736133611.3
Volume	9.1735663383079E+17
Height	934247.39267546