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

81000971 (number)

81000971 is an odd 8-digits composite number following 81000970 and preceding 81000972. In scientific notation, it is written as 8.1000971 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 72223488 positive integers (up to 81000971) that are relatively prime to 81000971.

Interesting facts

81000971 has 8 divisors, whose sum is 90280080
The reverse of 81000971 is 17900018
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	eighty-one million nine hundred seventy-one

Notation

Scientific notation	8.1000971 × 10^7
Engineering notation	8.1000971 × 10^6

Prime Factorization of 81000971

Prime Factorization 19 × 17 × 250777

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81000971	Product of the distinct prime numbers

The prime factorization of 81000971 is 19 × 17 × 250777. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 4, 1, 86, 446, 184, 2654, 303, 32928, 59839, 490661, 75100, 6559473, 2374065, 12990553, 79281130, 441609834, 555742451, 4540198628, 3598979197

Basic calculations (n = 81000971)

Multiplication

n×y

n×2	162001942
n×3	243002913
n×4	324003884
n×5	405004855

Division

n÷y

n÷2	40500485.5
n÷3	27000323.666667
n÷3	20250242.75
n÷5	16200194.2

Exponentiation

n^y

n²	6561157302942841
n³	5.3146011242211E+23
n⁴	4.304878515396E+31
n⁵	3.4869933978412E+39

Nth Root

^y√n

²√n	9000.0539442828
³√n	432.67660000424
⁴√n	94.868614115959
⁵√n	38.167880604195

Divisors of 81000971

1, 17, 19, 323, 250777, 4263209, 4764763, 81000971

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	-81000970	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 81000971 can be divided by 8 positive divisors. The sum of these divisors (counting 81000971) is 1, the average is 0.125.

Base conversion 81000971

Base	System	Value
2	Binary	100110100111111101000001011
3	Ternary	12122102021102222
4	Quaternary	10310333220023
5	Quinary	131214012341
6	Senary	12012044255
8	Octal	464775013
10	Decimal	81000971
12	Duodecimal	2316368b
16	Hexadecimal	4d3fa0b
20	Vigesimal	156528b
36	Base36	1c84qz

Cryptographic Hash Functions

md5	3b7623db1989fdadec1c9440d161742f
sha1	33963d37e08ed220407394093564b10eea9515c3
sha256	c57c36279c1efbb1126e9ce212c6568f4daaca91bbe4f3aa3387129c97636e7b
sha512	eb91363b78df51b78e8ff3366571dd15fb1c873b6362d988c934412c49e45e3c02954afae06e9d257ce0b33494fff256f4e862a75a1206ca17c1c1bf5492f82e
ripemd-160	7a0e9eb3e92f433b5ba4939c937424a5fd372c39

81000971 as geometric shapes

Circle

Radius = n

Diameter	162001942
Circumference	508944110.85448
Area	2.0612483581972E+16

Sphere

Radius = n

Volume	2.2261749131484E+24
Surface area	8.2449934327889E+16
Circumference	508944110.85448

Square

Length = n

Perimeter	324003884
Area	6561157302942841
Diagonal	114552671.75359

Cube

Length = n

Surface area	39366943817657046
Volume	5.3146011242211E+23
Space diagonal	140297797.23441

Equilateral Triangle

Length = n

Perimeter	243002913
Area	2.8410644512871E+15
Altitude	70148898.617207

Triangular Pyramid

Length = n

Surface area	2.8410644512871E+15
Volume	6.2633174903973E+22
Height	38184223.917863