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

1981490 (number)

1981490 is an even 7-digits composite number following 1981489 and preceding 1981491. In scientific notation, it is written as 1.981490 × 10^6. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 679344 positive integers (up to 1981490) that are relatively prime to 1981490.

Interesting facts

1981490 has 16 divisors, whose sum is 4076352
The reverse of 1981490 is 0941891
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 7
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	1.981490 × 10^6
Engineering notation	1.981490 × 10^6

Prime Factorization of 1981490

Prime Factorization 2 × 5 × 7 × 28307

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	1981490	Product of the distinct prime numbers

The prime factorization of 1981490 is 2 × 5 × 7 × 28307. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 100, 46, 689, 174, 7445, 2095, 95649, 42583, 677996, 586447, 8635326, 7291615, 82593388, 93879993, 324304380, 863817063, 7211773938, 1854147931

Basic calculations (n = 1981490)

Multiplication

n×y

n×2	3962980
n×3	5944470
n×4	7925960
n×5	9907450

Division

n÷y

n÷2	990745
n÷3	660496.66666667
n÷3	495372.5
n÷5	396298

Exponentiation

n^y

n²	3926302620100
n³	7779929378701949000
n⁴	1.5415852264604E+25
n⁵	3.054635710379E+31

Nth Root

^y√n

²√n	1407.6540768243
³√n	125.60221404674
⁴√n	37.518716353632
⁵√n	18.171817937215

Divisors of 1981490

1, 2, 5, 7, 10, 14, 35, 70, 28307, 56614, 141535, 198149, 283070, 396298, 990745, 1981490

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	-1981489	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 1981490 can be divided by 16 positive divisors. The sum of these divisors (counting 1981490) is 1, the average is 0.0625.

Base conversion 1981490

Base	System	Value
2	Binary	111100011110000110010
3	Ternary	10201200002112
4	Quaternary	13203300302
5	Quinary	1001401430
6	Senary	110245322
8	Octal	7436062
10	Decimal	1981490
12	Duodecimal	7b6842
16	Hexadecimal	1e3c32
20	Vigesimal	c7dea
36	Base36	16gxe

Cryptographic Hash Functions

md5	56ed6b5e90dbebb3801d338768cf4775
sha1	671eee0d3d30c6d70698a634cf3301139e74401e
sha256	f0b578350c4bab4a4cb3ea930a4f657cb6328e5853fd07735b62c7577a64ae24
sha512	0d286c7fd1abada762953d628612d27985c268e4d71683863fa5b4df4c4fe54cef2c6dc8134208853d3ee44c235307054689fbf9668fa92d68c5288385411a77
ripemd-160	453fe4e82edef735273c13751ca68407d3ef0eb9

1981490 as geometric shapes

Circle

Radius = n

Diameter	3962980
Circumference	12450068.854323
Area	12334843467077

Sphere

Radius = n

Volume	3.2588491975437E+19
Surface area	49339373868306
Circumference	12450068.854323

Square

Length = n

Perimeter	7925960
Area	3926302620100
Diagonal	2802250.0317067

Cube

Length = n

Surface area	23557815720600
Volume	7779929378701949000
Space diagonal	3432041.3546897

Equilateral Triangle

Length = n

Perimeter	5944470
Area	1700138905976
Altitude	1716020.6773448

Triangular Pyramid

Length = n

Surface area	1700138905976
Volume	9.1687347013877E+17
Height	934083.34390222