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

81194013 (number)

81194013 is an odd 8-digits composite number following 81194012 and preceding 81194014. In scientific notation, it is written as 8.1194013 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 54129336 positive integers (up to 81194013) that are relatively prime to 81194013.

Interesting facts

81194013 has 4 divisors, whose sum is 90215580
The reverse of 81194013 is 31049118
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	eighty-one million one hundred ninety-four thousand thirteen

Notation

Scientific notation	8.1194013 × 10^7
Engineering notation	8.1194013 × 10^6

Prime Factorization of 81194013

Prime Factorization 9 × 9021557

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81194013	Product of the distinct prime numbers

The prime factorization of 81194013 is 9 × 9021557. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 6, 25, 85, 964, 546, 5311, 4134, 36402, 94827, 169591, 186863, 9819386, 3272894, 48699748, 38883021, 206151404, 956032281, 7861612659, 996873372

Basic calculations (n = 81194013)

Multiplication

n×y

n×2	162388026
n×3	243582039
n×4	324776052
n×5	405970065

Division

n÷y

n÷2	40597006.5
n÷3	27064671
n÷3	20298503.25
n÷5	16238802.6

Exponentiation

n^y

n²	6592467747044169
n³	5.3526891195559E+23
n⁴	4.3460630995818E+31
n⁵	3.5287430380626E+39

Nth Root

^y√n

²√n	9010.7720534924
³√n	433.02004647024
⁴√n	94.925086534027
⁵√n	38.186055670877

Divisors of 81194013

1, 9, 9021557, 81194013

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	-81194012	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 81194013 can be divided by 4 positive divisors. The sum of these divisors (counting 81194013) is 1, the average is 0.25.

Base conversion 81194013

Base	System	Value
2	Binary	100110101101110110000011101
3	Ternary	12122210002020200
4	Quaternary	10311232300131
5	Quinary	131241202023
6	Senary	12020134113
8	Octal	465566035
10	Decimal	81194013
12	Duodecimal	23237339
16	Hexadecimal	4d6ec1d
20	Vigesimal	157950d
36	Base36	1cc9p9

Cryptographic Hash Functions

md5	2c299f9e082b1fff636a5fe057ce4ba1
sha1	e5edb3723a015e8974800a31f0edffa5a38f30c8
sha256	e575b7502d84aef9043f54c9f1e5c205b632b6e64f86ff4265eed7284a299e6e
sha512	77342d9de78b6eeeb1193eb72a35f4d2127fddcf19bf1b1c071698833156182178237cb1238682a55c5e17434697bdbe47b54e526fc50d8f67b48219a4c4001b
ripemd-160	ab009eba9cea84e8ba3d4eb9361b8ebeb98559c2

81194013 as geometric shapes

Circle

Radius = n

Diameter	162388026
Circumference	510157029.51255
Area	2.0710848243142E+16

Sphere

Radius = n

Volume	2.2421291753262E+24
Surface area	8.2843392972566E+16
Circumference	510157029.51255

Square

Length = n

Perimeter	324776052
Area	6592467747044169
Diagonal	114825674.3681

Cube

Length = n

Surface area	39554806482265014
Volume	5.3526891195559E+23
Space diagonal	140632155.78641

Equilateral Triangle

Length = n

Perimeter	243582039
Area	2.8546222712849E+15
Altitude	70316077.893204

Triangular Pyramid

Length = n

Surface area	2.8546222712849E+15
Volume	6.308204623369E+22
Height	38275224.789366