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

81192013 (number)

81192013 is an odd 8-digits composite number following 81192012 and preceding 81192014. In scientific notation, it is written as 8.1192013 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 67017600 positive integers (up to 81192013) that are relatively prime to 81192013.

Interesting facts

81192013 has 16 divisors, whose sum is 96284160
The reverse of 81192013 is 31029118
Previous prime number is 79

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	8.1192013 × 10^7
Engineering notation	8.1192013 × 10^6

Prime Factorization of 81192013

Prime Factorization 7 × 41 × 79 × 3581

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	81192013	Product of the distinct prime numbers

The prime factorization of 81192013 is 7 × 41 × 79 × 3581. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 99, 16, 815, 724, 9006, 3711, 9449, 14227, 407978, 961011, 1829904, 5306506, 32039879, 52765678, 400915417, 874300379, 8959054082, 7872190268

Basic calculations (n = 81192013)

Multiplication

n×y

n×2	162384026
n×3	243576039
n×4	324768052
n×5	405960065

Division

n÷y

n÷2	40596006.5
n÷3	27064004.333333
n÷3	20298003.25
n÷5	16238402.6

Exponentiation

n^y

n²	6592142974992169
n³	5.3522935812342E+23
n⁴	4.3456349002739E+31
n⁵	3.5283084531629E+39

Nth Root

^y√n

²√n	9010.6610745272
³√n	433.0164910061
⁴√n	94.924501971447
⁵√n	38.185867546504

Divisors of 81192013

1, 7, 41, 79, 287, 553, 3239, 3581, 22673, 25067, 146821, 282899, 1027747, 1980293, 11598859, 81192013

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81192012	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81192013 can be divided by 16 positive divisors. The sum of these divisors (counting 81192013) is 1, the average is 0.0625.

Base conversion 81192013

Base	System	Value
2	Binary	100110101101110010001001101
3	Ternary	12122202222111121
4	Quaternary	10311232101031
5	Quinary	131241121023
6	Senary	12020120541
8	Octal	465562115
10	Decimal	81192013
12	Duodecimal	23236151
16	Hexadecimal	4d6e44d
20	Vigesimal	157900d
36	Base36	1cc85p

Cryptographic Hash Functions

md5	df09ca5477acc9b04632383f6ac70bfd
sha1	207bb1ae178e4214b31bea8dbc7cec368b1257cc
sha256	71053e1d705a33e684dc7bac4baf07a37282a201c65d23c564d51733a883bcae
sha512	9b06517fb8203d2a947e402959e88188d7150a28a33c85d8e45e11b9e8917ca28dac724d00722d736589e09cb59be7d4a323a6d7e640af4fab652da6a50aad4a
ripemd-160	b3a54b4cf1faa9e179c2a66e9df91325c5a21ffd

81192013 as geometric shapes

Circle

Radius = n

Diameter	162384026
Circumference	510144463.14193
Area	2.0709827941649E+16

Sphere

Radius = n

Volume	2.2419634926215E+24
Surface area	8.2839311766596E+16
Circumference	510144463.14193

Square

Length = n

Perimeter	324768052
Area	6592142974992169
Diagonal	114822845.94097

Cube

Length = n

Surface area	39552857849953014
Volume	5.3522935812342E+23
Space diagonal	140628691.68479

Equilateral Triangle

Length = n

Perimeter	243576039
Area	2.8544816408612E+15
Altitude	70314345.842396

Triangular Pyramid

Length = n

Surface area	2.8544816408612E+15
Volume	6.3077384769866E+22
Height	38274281.980324