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

81342643 (number)

81342643 is an odd 8-digits composite number following 81342642 and preceding 81342644. In scientific notation, it is written as 8.1342643 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 80368200 positive integers (up to 81342643) that are relatively prime to 81342643.

Interesting facts

81342643 has 8 divisors, whose sum is 82323200
The reverse of 81342643 is 34624318
Previous prime number is 151

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million three hundred forty-two thousand six hundred forty-three

Notation

Scientific notation	8.1342643 × 10^7
Engineering notation	8.1342643 × 10^6

Prime Factorization of 81342643

Prime Factorization 199 × 151 × 2707

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81342643	Product of the distinct prime numbers

The prime factorization of 81342643 is 199 × 151 × 2707. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 3, 52, 55, 433, 454, 5788, 47, 6365, 86959, 597799, 346300, 4410853, 6174210, 74970437, 57181869, 716330115, 652057848, 7223393719, 1210974315

Basic calculations (n = 81342643)

Multiplication

n×y

n×2	162685286
n×3	244027929
n×4	325370572
n×5	406713215

Division

n÷y

n÷2	40671321.5
n÷3	27114214.333333
n÷3	20335660.75
n÷5	16268528.6

Exponentiation

n^y

n²	6616625570225449
n³	5.3821381162352E+23
n⁴	4.3779733936561E+31
n⁵	3.5611592682367E+39

Nth Root

^y√n

²√n	9019.0156336487
³√n	433.28410755751
⁴√n	94.968498111999
⁵√n	38.200025770424

Divisors of 81342643

1, 151, 199, 2707, 30049, 408757, 538693, 81342643

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	-81342642	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 81342643 can be divided by 8 positive divisors. The sum of these divisors (counting 81342643) is 1, the average is 0.125.

Base conversion 81342643

Base	System	Value
2	Binary	100110110010011000010110011
3	Ternary	12200001122010111
4	Quaternary	10312103002303
5	Quinary	131310431033
6	Senary	12023242151
8	Octal	466230263
10	Decimal	81342643
12	Duodecimal	232a9357
16	Hexadecimal	4d930b3
20	Vigesimal	1587gc3
36	Base36	1cfgdv

Cryptographic Hash Functions

md5	d133fce9a2df9fb5b9f7889ab2bcc343
sha1	4098e53a3001aeca934c695a467fa1b5b2d5aae4
sha256	3b71617364570a42f0d871ecbf129ebf68158388fbc54c25f864c53ba62eccae
sha512	499f0f3cf5fd491f80bbf4142a9df29d2d9c999f8517e8b3686249473308c2b8e955328696550d384914082c28238d63c972b0d0f961a0edd5bc374c07ebe85a
ripemd-160	3ea397ce2311f7e69469f22d258a0daff8ed6b1a

81342643 as geometric shapes

Circle

Radius = n

Diameter	162685286
Circumference	511090899.34475
Area	2.0786742282975E+16

Sphere

Radius = n

Volume	2.2544647422093E+24
Surface area	8.3146969131899E+16
Circumference	511090899.34475

Square

Length = n

Perimeter	325370572
Area	6616625570225449
Diagonal	115035868.92987

Cube

Length = n

Surface area	39699753421352694
Volume	5.3821381162352E+23
Space diagonal	140889590.49794

Equilateral Triangle

Length = n

Perimeter	244027929
Area	2.8650829155725E+15
Altitude	70444795.248968

Triangular Pyramid

Length = n

Surface area	2.8650829155725E+15
Volume	6.3429105987875E+22
Height	38345289.643291