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

1981489 (number)

1981489 is an odd 7-digits composite number following 1981488 and preceding 1981490. In scientific notation, it is written as 1.981489 × 10^6. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 1869600 positive integers (up to 1981489) that are relatively prime to 1981489.

Interesting facts

1981489 has 8 divisors, whose sum is 2096640
The reverse of 1981489 is 9841891
Previous prime number is 41

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	1.981489 × 10^6
Engineering notation	1.981489 × 10^6

Prime Factorization of 1981489

Prime Factorization 31 × 41 × 1559

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1981489	Product of the distinct prime numbers

The prime factorization of 1981489 is 31 × 41 × 1559. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 7, 7, 32, 510, 602, 5899, 5074, 34975, 41058, 806121, 968347, 6216832, 9269455, 96958795, 13350278, 960991212, 659995826, 577074739, 3129782937

Basic calculations (n = 1981489)

Multiplication

n×y

n×2	3962978
n×3	5944467
n×4	7925956
n×5	9907445

Division

n÷y

n÷2	990744.5
n÷3	660496.33333333
n÷3	495372.25
n÷5	396297.8

Exponentiation

n^y

n²	3926298657121
n³	7779917599800033169
n⁴	1.541582114491E+25
n⁵	3.0546280024607E+31

Nth Root

^y√n

²√n	1407.6537216233
³√n	125.60219291748
⁴√n	37.518711619981
⁵√n	18.171816103058

Divisors of 1981489

1, 31, 41, 1271, 1559, 48329, 63919, 1981489

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	-1981488	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 1981489 can be divided by 8 positive divisors. The sum of these divisors (counting 1981489) is 1, the average is 0.125.

Base conversion 1981489

Base	System	Value
2	Binary	111100011110000110001
3	Ternary	10201200002111
4	Quaternary	13203300301
5	Quinary	1001401424
6	Senary	110245321
8	Octal	7436061
10	Decimal	1981489
12	Duodecimal	7b6841
16	Hexadecimal	1e3c31
20	Vigesimal	c7de9
36	Base36	16gxd

Cryptographic Hash Functions

md5	7e8d91c6b215643a7b0a299f6c77618c
sha1	c99c8bdc4125d2fb69630605379785ea78f8fc17
sha256	1c20e6baed292dc3d24df13b4424bfe1449256198df5286051391a754b079c1f
sha512	a7054a72522370422e8ba56d5de761b0922e05eb438f786e0078eada13a6d4a2fddbf1e15fad58b6b7ae61404a01ee5489a5cba80cdcc4fd849bdc49941f478c
ripemd-160	a446afbed350bc7124cedcfdfae2993c9ebb96d1

1981489 as geometric shapes

Circle

Radius = n

Diameter	3962978
Circumference	12450062.571138
Area	12334831017011

Sphere

Radius = n

Volume	3.2588442636088E+19
Surface area	49339324068043
Circumference	12450062.571138

Square

Length = n

Perimeter	7925956
Area	3926298657121
Diagonal	2802248.6174931

Cube

Length = n

Surface area	23557791942726
Volume	7779917599800033169
Space diagonal	3432039.6226388

Equilateral Triangle

Length = n

Perimeter	5944467
Area	1700137189955.8
Altitude	1716019.8113194

Triangular Pyramid

Length = n

Surface area	1700137189955.8
Volume	9.1687208198186E+17
Height	934082.8724977