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

1981825 (number)

1981825 is an odd 7-digits composite number following 1981824 and preceding 1981826. In scientific notation, it is written as 1.981825 × 10^6. The sum of its digits is 34. It has a total of 3 prime factors and 6 positive divisors. There are 1585440 positive integers (up to 1981825) that are relatively prime to 1981825.

Interesting facts

1981825 has 6 divisors, whose sum is 2457494
The reverse of 1981825 is 5281891
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 34
Digital Root 7

Name

Name	one million nine hundred eighty-one thousand eight hundred twenty-five

Notation

Scientific notation	1.981825 × 10^6
Engineering notation	1.981825 × 10^6

Prime Factorization of 1981825

Prime Factorization 5 × 5 × 79273

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	396365	Product of the distinct prime numbers

The prime factorization of 1981825 is 5 × 5 × 79273. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 1, 48, 18, 836, 745, 2982, 7665, 36112, 81930, 914802, 878404, 8110439, 6015180, 71270376, 14783359, 52234461, 717139611, 6827571295, 1195554247

Basic calculations (n = 1981825)

Multiplication

n×y

n×2	3963650
n×3	5945475
n×4	7927300
n×5	9909125

Division

n÷y

n÷2	990912.5
n÷3	660608.33333333
n÷3	495456.25
n÷5	396365

Exponentiation

n^y

n²	3927630330625
n³	7783875979990890625
n⁴	1.5426280014045E+25
n⁵	3.0572187388836E+31

Nth Root

^y√n

²√n	1407.773064098
³√n	125.60929194783
⁴√n	37.520302025677
⁵√n	18.172432338234

Divisors of 1981825

1, 5, 25, 79273, 396365, 1981825

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-1981824	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1981825 can be divided by 6 positive divisors. The sum of these divisors (counting 1981825) is 1, the average is 0.16666666666667.

Base conversion 1981825

Base	System	Value
2	Binary	111100011110110000001
3	Ternary	10201200112221
4	Quaternary	13203312001
5	Quinary	1001404300
6	Senary	110251041
8	Octal	7436601
10	Decimal	1981825
12	Duodecimal	7b6a81
16	Hexadecimal	1e3d81
20	Vigesimal	c7eb5
36	Base36	16h6p

Cryptographic Hash Functions

md5	46b055810002f7f4737a5341307fd182
sha1	5eb96559c21be3b7be41507620abe26cafabcdba
sha256	aa0e67fb834fee33663276e9e91aab02723588992e3ffbff078366d495ece14a
sha512	a62c6c4ce196991764369c9d21772975c00084ef5d6287f39d24643d39c03ef94fff131d2f2696f7876f30a754bf22e079b132537e57131f1b055b2f6e62ebce
ripemd-160	b7f72b74fecb66190b12499f3411f376545b0d91

1981825 as geometric shapes

Circle

Radius = n

Diameter	3963650
Circumference	12452173.721401
Area	12339014592708

Sphere

Radius = n

Volume	3.2605023460258E+19
Surface area	49356058370832
Circumference	12452173.721401

Square

Length = n

Perimeter	7927300
Area	3927630330625
Diagonal	2802723.7932501

Cube

Length = n

Surface area	23565781983750
Volume	7783875979990890625
Space diagonal	3432621.5917102

Equilateral Triangle

Length = n

Perimeter	5945475
Area	1700713821497.8
Altitude	1716310.7958551

Triangular Pyramid

Length = n

Surface area	1700713821497.8
Volume	9.1733858156111E+17
Height	934241.26441669