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

81109013 (number)

81109013 is an odd 8-digits prime number following 81109012 and preceding 81109014. In scientific notation, it is written as 8.1109013 × 10^7. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 81109012 positive integers (up to 81109013) that are relatively prime to 81109013.

Interesting facts

81109013 has 2 divisors, whose sum is 81109014
The reverse of 81109013 is 31090118
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	eighty-one million one hundred nine thousand thirteen

Notation

Scientific notation	8.1109013 × 10^7
Engineering notation	8.1109013 × 10^6

Prime Factorization of 81109013

Prime Factorization 81109013

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81109013	Product of the distinct prime numbers

The prime factorization of 81109013 is 81109013. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 10, 100, 7, 94, 755, 5134, 1079, 94994, 16054, 430275, 367971, 9879293, 8176986, 71388609, 32919127, 113101781, 35780758, 1986991107, 340339178

Basic calculations (n = 81109013)

Multiplication

n×y

n×2	162218026
n×3	243327039
n×4	324436052
n×5	405545065

Division

n÷y

n÷2	40554506.5
n÷3	27036337.666667
n÷3	20277253.25
n÷5	16221802.6

Exponentiation

n^y

n²	6578671989834169
n³	5.335895919462E+23
n⁴	4.3278925149829E+31
n⁵	3.5103109026035E+39

Nth Root

^y√n

²√n	9006.0542414534
³√n	432.86888772477
⁴√n	94.900233094832
⁵√n	38.178057113713

Divisors of 81109013

1, 81109013

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81109014	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40554507	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9006.0542969716	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999753418	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81109013 can be divided by 2 positive divisors. The sum of these divisors (counting 81109013) is 81109014, the average is 40554507.

Base conversion 81109013

Base	System	Value
2	Binary	100110101011010000000010101
3	Ternary	12122121202122112
4	Quaternary	10311122000111
5	Quinary	131230442023
6	Senary	12014240405
8	Octal	465320025
10	Decimal	81109013
12	Duodecimal	231b6105
16	Hexadecimal	4d5a015
20	Vigesimal	156icad
36	Base36	1cag45

Cryptographic Hash Functions

md5	27550b6b4c462e396b2426553c4fee28
sha1	32bb9bfb2cffe0e053c6ee5f53acf7331f558c41
sha256	aea69534dcb9a7fce4470a31843bcad6160a4be170ab89f26f9f0ddf1ad76788
sha512	6843f356a364bee001145dbf1add13a523dd143a13694f31345cf5ab1ca5822c790cdc2a567cde04adbacbaf7b873af4ea19c333a1dfecf978e0b0f85f278fef
ripemd-160	882d7cdd643fcb3f74b89595925bb7b5465bafdc

81109013 as geometric shapes

Circle

Radius = n

Diameter	162218026
Circumference	509622958.76144
Area	2.066750759364E+16

Sphere

Radius = n

Volume	2.2350948561202E+24
Surface area	8.267003037456E+16
Circumference	509622958.76144

Square

Length = n

Perimeter	324436052
Area	6578671989834169
Diagonal	114705466.2153

Cube

Length = n

Surface area	39472031939005014
Volume	5.335895919462E+23
Space diagonal	140484931.46776

Equilateral Triangle

Length = n

Perimeter	243327039
Area	2.8486485331808E+15
Altitude	70242465.733882

Triangular Pyramid

Length = n

Surface area	2.8486485331808E+15
Volume	6.288413647262E+22
Height	38235155.405099