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

1981881 (number)

1981881 is an odd 7-digits composite number following 1981880 and preceding 1981882. In scientific notation, it is written as 1.981881 × 10^6. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 1200960 positive integers (up to 1981881) that are relatively prime to 1981881.

Interesting facts

1981881 has 8 divisors, whose sum is 2269160
The reverse of 1981881 is 1881891
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 36
Digital Root 9

Name

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

Notation

Scientific notation	1.981881 × 10^6
Engineering notation	1.981881 × 10^6

Prime Factorization of 1981881

Prime Factorization 33 × 9 × 6673

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1981881	Product of the distinct prime numbers

The prime factorization of 1981881 is 33 × 9 × 6673. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 10, 53, 37, 602, 846, 6975, 8530, 53779, 59813, 965143, 143378, 7483971, 5392537, 31048550, 51270961, 344165780, 773432650, 5448424915, 5418629351

Basic calculations (n = 1981881)

Multiplication

n×y

n×2	3963762
n×3	5945643
n×4	7927524
n×5	9909405

Division

n÷y

n÷2	990940.5
n÷3	660627
n÷3	495470.25
n÷5	396376.2

Exponentiation

n^y

n²	3927852298161
n³	7784535840531620841
n⁴	1.5428023676169E+25
n⁵	3.0576506991349E+31

Nth Root

^y√n

²√n	1407.7929535269
³√n	125.61047504154
⁴√n	37.520567073632
⁵√n	18.172535035971

Divisors of 1981881

1, 9, 33, 297, 6673, 60057, 220209, 1981881

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	-1981880	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 1981881 can be divided by 8 positive divisors. The sum of these divisors (counting 1981881) is 1, the average is 0.125.

Base conversion 1981881

Base	System	Value
2	Binary	111100011110110111001
3	Ternary	10201200122000
4	Quaternary	13203312321
5	Quinary	1001410011
6	Senary	110251213
8	Octal	7436671
10	Decimal	1981881
12	Duodecimal	7b6b09
16	Hexadecimal	1e3db9
20	Vigesimal	c7ee1
36	Base36	16h89

Cryptographic Hash Functions

md5	6cf5e5d552d39c616ceca9636595ff6c
sha1	f295c28e92409c103260353166b255d38734f0b3
sha256	ffc81cf6d005ba2c2f5bc777f7b57c14cd470718688597a2c62b7039e36dde74
sha512	e1c6b319c9b86321a86a681f20662a830d2cb32e9279139d1978005067ab8f149b9dafc8c69deed68d50656448bbbfa835e0b3db840339a87bfc2bc0dab63f75
ripemd-160	511f93fe28a367bca9979975d99ab4d0f2bffe71

1981881 as geometric shapes

Circle

Radius = n

Diameter	3963762
Circumference	12452525.579778
Area	12339711924288

Sphere

Radius = n

Volume	3.2607787477627E+19
Surface area	49358847697154
Circumference	12452525.579778

Square

Length = n

Perimeter	7927524
Area	3927852298161
Diagonal	2802802.9892096

Cube

Length = n

Surface area	23567113788966
Volume	7784535840531620841
Space diagonal	3432718.5865554

Equilateral Triangle

Length = n

Perimeter	5945643
Area	1700809936260.3
Altitude	1716359.2932777

Triangular Pyramid

Length = n

Surface area	1700809936260.3
Volume	9.174163468716E+17
Height	934267.66306985