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

81837982 (number)

81837982 is an even 8-digits composite number following 81837981 and preceding 81837983. In scientific notation, it is written as 8.1837982 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 40918990 positive integers (up to 81837982) that are relatively prime to 81837982.

Interesting facts

81837982 has 4 divisors, whose sum is 122756976
The reverse of 81837982 is 28973818
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1

Name

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

Notation

Scientific notation	8.1837982 × 10^7
Engineering notation	8.1837982 × 10^6

Prime Factorization of 81837982

Prime Factorization 2 × 40918991

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81837982	Product of the distinct prime numbers

The prime factorization of 81837982 is 2 × 40918991. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 5, 50, 99, 171, 621, 8778, 9173, 12898, 75601, 785120, 734329, 3808609, 5528829, 151191, 27644416, 861724308, 458266584, 5435001692, 5286014712

Basic calculations (n = 81837982)

Multiplication

n×y

n×2	163675964
n×3	245513946
n×4	327351928
n×5	409189910

Division

n÷y

n÷2	40918991
n÷3	27279327.333333
n÷3	20459495.5
n÷5	16367596.4

Exponentiation

n^y

n²	6697455297832324
n³	5.4810622610981E+23
n⁴	4.4855907466462E+31
n⁵	3.670916947834E+39

Nth Root

^y√n

²√n	9046.4347673545
³√n	434.16182813137
⁴√n	95.112747659578
⁵√n	38.246436949512

Divisors of 81837982

1, 2, 40918991, 81837982

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	-81837981	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 81837982 can be divided by 4 positive divisors. The sum of these divisors (counting 81837982) is 1, the average is 0.25.

Base conversion 81837982

Base	System	Value
2	Binary	100111000001011111110011110
3	Ternary	12200222210121101
4	Quaternary	10320023332132
5	Quinary	131422303412
6	Senary	12042023314
8	Octal	470137636
10	Decimal	81837982
12	Duodecimal	234a7b3a
16	Hexadecimal	4e0bf9e
20	Vigesimal	15b9ej2
36	Base36	1cq2la

Cryptographic Hash Functions

md5	f7776b7c2b383dee596925b836bdd107
sha1	d83c07d08d97cfa57661e76baede783e2c27d585
sha256	15ba5eab1d36ee658d54ca052804903bd09ad9985886c0b56728b879287a1402
sha512	6f34bafa1a9a3bb5059c46978573b65d80e52770a87ea475ee794a82ab6b26eaf32b9d885fb830edeb091db09688620980a9fd0af1b57af79b18c2fe255f2144
ripemd-160	65f4083794ec1fddbdd2c21fcb64ff9cc67c9397

81837982 as geometric shapes

Circle

Radius = n

Diameter	163675964
Circumference	514203206.07163
Area	2.1040676361416E+16

Sphere

Radius = n

Volume	2.2959019911112E+24
Surface area	8.4162705445664E+16
Circumference	514203206.07163

Square

Length = n

Perimeter	327351928
Area	6697455297832324
Diagonal	115736384.06165

Cube

Length = n

Surface area	40184731786993944
Volume	5.4810622610981E+23
Space diagonal	141747542.81291

Equilateral Triangle

Length = n

Perimeter	245513946
Area	2.9000832143167E+15
Altitude	70873771.406454

Triangular Pyramid

Length = n

Surface area	2.9000832143167E+15
Volume	6.4594938215469E+22
Height	38578794.687215