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

82816981 (number)

82816981 is an odd 8-digits composite number following 82816980 and preceding 82816982. In scientific notation, it is written as 8.2816981 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 76446432 positive integers (up to 82816981) that are relatively prime to 82816981.

Interesting facts

82816981 has 4 divisors, whose sum is 89187532
The reverse of 82816981 is 18961828
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

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

Notation

Scientific notation	8.2816981 × 10^7
Engineering notation	8.2816981 × 10^6

Prime Factorization of 82816981

Prime Factorization 13 × 6370537

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	82816981	Product of the distinct prime numbers

The prime factorization of 82816981 is 13 × 6370537. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 8, 13, 5, 580, 592, 7869, 1952, 70522, 62081, 245525, 10348, 8279474, 432805, 87789963, 4210209, 286292468, 566998913, 1003520246, 6109727084

Basic calculations (n = 82816981)

Multiplication

n×y

n×2	165633962
n×3	248450943
n×4	331267924
n×5	414084905

Division

n÷y

n÷2	41408490.5
n÷3	27605660.333333
n÷3	20704245.25
n÷5	16563396.2

Exponentiation

n^y

n²	6858652341954361
n³	5.6801288068924E+23
n⁴	4.7041111947796E+31
n⁵	3.8958028743995E+39

Nth Root

^y√n

²√n	9100.383563345
³√n	435.88621199441
⁴√n	95.395930538703
⁵√n	38.337507940983

Divisors of 82816981

1, 13, 6370537, 82816981

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-82816980	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 82816981 can be divided by 4 positive divisors. The sum of these divisors (counting 82816981) is 1, the average is 0.25.

Base conversion 82816981

Base	System	Value
2	Binary	100111011111010111111010101
3	Ternary	12202211112112121
4	Quaternary	10323322333111
5	Quinary	132200120411
6	Senary	12115015541
8	Octal	473727725
10	Decimal	82816981
12	Duodecimal	2389a5b1
16	Hexadecimal	4efafd5
20	Vigesimal	15hc291
36	Base36	1db1zp

Cryptographic Hash Functions

md5	0824ec496b46a55f75be1000f7c2041d
sha1	2c6492b4618777d7061998318922d67335ee6cf9
sha256	db48ca4f5ec0b519ac232d9fdb05982a565ee4a355d3e0c5410338b40c644be7
sha512	e5e92b62afe2ecce07f3d14c72ff7029cdbbe8fa9c4480e81691fa979aed24f6a2fc4dd08e18614cb89fe05a19a64a21bcc455a71f89183ee6d7f0d38ad74b22
ripemd-160	c9ec998a4f0bf0815086402cc956212cc87f9c54

82816981 as geometric shapes

Circle

Radius = n

Diameter	165633962
Circumference	520354438.20417
Area	2.154709181101E+16

Sphere

Radius = n

Volume	2.3792867908236E+24
Surface area	8.6188367244041E+16
Circumference	520354438.20417

Square

Length = n

Perimeter	331267924
Area	6858652341954361
Diagonal	117120897.72499

Cube

Length = n

Surface area	41151914051726166
Volume	5.6801288068924E+23
Space diagonal	143443218.82147

Equilateral Triangle

Length = n

Perimeter	248450943
Area	2.9698835819291E+15
Altitude	71721609.410733

Triangular Pyramid

Length = n

Surface area	2.9698835819291E+15
Volume	6.6940959956111E+22
Height	39040299.241665