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

7131981 (number)

7131981 is an odd 7-digits composite number following 7131980 and preceding 7131982. In scientific notation, it is written as 7.131981 × 10^6. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 4747952 positive integers (up to 7131981) that are relatively prime to 7131981.

Interesting facts

7131981 has 8 divisors, whose sum is 9522720
The reverse of 7131981 is 1891317
Previous prime number is 1019

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	7.131981 × 10^6
Engineering notation	7.131981 × 10^6

Prime Factorization of 7131981

Prime Factorization 3 × 1019 × 2333

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	7131981	Product of the distinct prime numbers

The prime factorization of 7131981 is 3 × 1019 × 2333. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 5, 3, 230, 591, 6205, 433, 156, 3999, 336974, 66063, 7186532, 4133337, 64579824, 7880063, 116371828, 145277340, 4789322935, 8929329733

Basic calculations (n = 7131981)

Multiplication

n×y

n×2	14263962
n×3	21395943
n×4	28527924
n×5	35659905

Division

n÷y

n÷2	3565990.5
n÷3	2377327
n÷3	1782995.25
n÷5	1426396.2

Exponentiation

n^y

n²	50865152984361
n³	3.6276930464656E+20
n⁴	2.5872637881224E+27
n⁵	1.8452316178877E+34

Nth Root

^y√n

²√n	2670.5769039666
³√n	192.48788139823
⁴√n	51.677624790296
⁵√n	23.476969486941

Divisors of 7131981

1, 3, 1019, 2333, 3057, 6999, 2377327, 7131981

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	-7131980	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 7131981 can be divided by 8 positive divisors. The sum of these divisors (counting 7131981) is 1, the average is 0.125.

Base conversion 7131981

Base	System	Value
2	Binary	11011001101001101001101
3	Ternary	111102100020110
4	Quaternary	123031031031
5	Quinary	3311210411
6	Senary	412510233
8	Octal	33151515
10	Decimal	7131981
12	Duodecimal	247b379
16	Hexadecimal	6cd34d
20	Vigesimal	24b9j1
36	Base36	48v2l

Cryptographic Hash Functions

md5	bd30aa7c1596c6923e7a07c4a015c260
sha1	abfde082b4c94a7b1e97bed26735d8ed0b927e78
sha256	e402e8d03a3c5ced284bc642a4650fc74b5900e8d3e7cec9735bdc9d56c832e6
sha512	95eb300bbefdc5d57ac5da9582e28e1648c6621fc9994841d515ee185b2bb517c8b6351a1d45a23f627db3be6308fab0b1ce1a0a442d9c6ee50437c99009a369
ripemd-160	91b565f255727e57518e72da8643c713ea2dbf16

7131981 as geometric shapes

Circle

Radius = n

Diameter	14263962
Circumference	44811558.230284
Area	1.5979759093939E+14

Sphere

Radius = n

Volume	1.5195645099007E+21
Surface area	6.3919036375756E+14
Circumference	44811558.230284

Square

Length = n

Perimeter	28527924
Area	50865152984361
Diagonal	10086144.256787

Cube

Length = n

Surface area	305190917906166
Volume	3.6276930464656E+20
Space diagonal	12352953.450616

Equilateral Triangle

Length = n

Perimeter	21395943
Area	22025257325919
Altitude	6176476.7253079

Triangular Pyramid

Length = n

Surface area	22025257325919
Volume	4.2752772553651E+19
Height	3362048.0855957