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

81678049 (number)

81678049 is an odd 8-digits composite number following 81678048 and preceding 81678050. In scientific notation, it is written as 8.1678049 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 81655236 positive integers (up to 81678049) that are relatively prime to 81678049.

Interesting facts

81678049 has 4 divisors, whose sum is 81700864
The reverse of 81678049 is 94087618
Previous prime number is 4447

Basic properties

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

Name

Name	eighty-one million six hundred seventy-eight thousand forty-nine

Notation

Scientific notation	8.1678049 × 10^7
Engineering notation	8.1678049 × 10^6

Prime Factorization of 81678049

Prime Factorization 4447 × 18367

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81678049	Product of the distinct prime numbers

The prime factorization of 81678049 is 4447 × 18367. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 10, 60, 49, 741, 438, 6252, 2982, 16783, 11519, 120156, 115488, 862619, 9760895, 24382391, 26804422, 430448814, 801138649, 2565018500, 6243019396

Basic calculations (n = 81678049)

Multiplication

n×y

n×2	163356098
n×3	245034147
n×4	326712196
n×5	408390245

Division

n÷y

n÷2	40839024.5
n÷3	27226016.333333
n÷3	20419512.25
n÷5	16335609.8

Exponentiation

n^y

n²	6671303688446401
n³	5.4489906955881E+23
n⁴	4.4506292903479E+31
n⁵	3.6351871725787E+39

Nth Root

^y√n

²√n	9037.5908847436
³√n	433.87882145671
⁴√n	95.066244717794
⁵√n	38.231476525381

Divisors of 81678049

1, 4447, 18367, 81678049

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	-81678048	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 81678049 can be divided by 4 positive divisors. The sum of these divisors (counting 81678049) is 1, the average is 0.25.

Base conversion 81678049

Base	System	Value
2	Binary	100110111100100111011100001
3	Ternary	12200200200012221
4	Quaternary	10313210323201
5	Quinary	131402144144
6	Senary	12034351041
8	Octal	467447341
10	Decimal	81678049
12	Duodecimal	2342b481
16	Hexadecimal	4de4ee1
20	Vigesimal	15a9f29
36	Base36	1cmn6p

Cryptographic Hash Functions

md5	29613c555ca3158a73d7a888d293fc39
sha1	db5f9eed7b4ed31a09a9c81e04b415fc4ed7a631
sha256	3e826fef1ef18aa0037f10c10f780291e07797d44a9449f66c0e9c0df25335a3
sha512	b0f09036a7ccb9eb7648b2a1f90fad5533c318a98151d160fb6618df186c55edd3df3097be5228a9dd1caffd5121c5ab3773fca693646490452a121159cd5e63
ripemd-160	d89332c6a11ae6388f43d5cdedd8b0b203c89c75

81678049 as geometric shapes

Circle

Radius = n

Diameter	163356098
Circumference	513198317.39589
Area	2.095851865749E+16

Sphere

Radius = n

Volume	2.2824678851651E+24
Surface area	8.3834074629959E+16
Circumference	513198317.39589

Square

Length = n

Perimeter	326712196
Area	6671303688446401
Diagonal	115510204.64397

Cube

Length = n

Surface area	40027822130678406
Volume	5.4489906955881E+23
Space diagonal	141470530.7311

Equilateral Triangle

Length = n

Perimeter	245034147
Area	2.8887592352777E+15
Altitude	70735265.36555

Triangular Pyramid

Length = n

Surface area	2.8887592352777E+15
Volume	6.4216971191212E+22
Height	38503401.547991