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

81012013 (number)

81012013 is an odd 8-digits prime number following 81012012 and preceding 81012014. In scientific notation, it is written as 8.1012013 × 10^7. The sum of its digits is 16. It has a total of 1 prime factors and 2 positive divisors. There are 81012012 positive integers (up to 81012013) that are relatively prime to 81012013.

Interesting facts

81012013 has 2 divisors, whose sum is 81012014
The reverse of 81012013 is 31021018
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	eighty-one million twelve thousand thirteen

Notation

Scientific notation	8.1012013 × 10^7
Engineering notation	8.1012013 × 10^6

Prime Factorization of 81012013

Prime Factorization 81012013

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81012013	Product of the distinct prime numbers

The prime factorization of 81012013 is 81012013. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 9, 86, 47, 33, 49, 5438, 3717, 64145, 33761, 839656, 885113, 2331182, 14101, 34674070, 88457855, 511624877, 811473295, 156033226, 3523714937

Basic calculations (n = 81012013)

Multiplication

n×y

n×2	162024026
n×3	243036039
n×4	324048052
n×5	405060065

Division

n÷y

n÷2	40506006.5
n÷3	27004004.333333
n÷3	20253003.25
n÷5	16202402.6

Exponentiation

n^y

n²	6562946250312169
n³	5.3167748694859E+23
n⁴	4.3072263484487E+31
n⁵	3.4893707693447E+39

Nth Root

^y√n

²√n	9000.6673641458
³√n	432.69625984239
⁴√n	94.871847057733
⁵√n	38.16892115162

Divisors of 81012013

1, 81012013

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81012014	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40506007	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9000.6674196973	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999753123	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81012013 can be divided by 2 positive divisors. The sum of these divisors (counting 81012013) is 81012014, the average is 40506007.

Base conversion 81012013

Base	System	Value
2	Binary	100110101000010010100101101
3	Ternary	12122102211120221
4	Quaternary	10311002110231
5	Quinary	131214341023
6	Senary	12012211341
8	Octal	465022455
10	Decimal	81012013
12	Duodecimal	23169b51
16	Hexadecimal	4d4252d
20	Vigesimal	1566a0d
36	Base36	1c8d9p

Cryptographic Hash Functions

md5	4443a7b9903028b2e478cd82ff1eeb51
sha1	9117ba5a8c5c98432835c794322387533393279d
sha256	6c7c7cdfdf097c43ef881aa30b1244439e33e035746bad0d74a627a3243cac7d
sha512	38f450e044722c59569c2ea04eb4df2d6ef491c21daa3d0f9432c01eddda8f4a929543ddd9b7150be4b95318eede04df1a6de3fbdd19c76af755ed5408df9d3f
ripemd-160	f3a3489e2114df73ecbef8d07e9baa94ab3f3cd1

81012013 as geometric shapes

Circle

Radius = n

Diameter	162024026
Circumference	509013489.78664
Area	2.0618103725885E+16

Sphere

Radius = n

Volume	2.2270854494357E+24
Surface area	8.2472414903542E+16
Circumference	509013489.78664

Square

Length = n

Perimeter	324048052
Area	6562946250312169
Diagonal	114568287.49975

Cube

Length = n

Surface area	39377677501873014
Volume	5.3167748694859E+23
Space diagonal	140316922.53943

Equilateral Triangle

Length = n

Perimeter	243036039
Area	2.8418390882211E+15
Altitude	70158461.269715

Triangular Pyramid

Length = n

Surface area	2.8418390882211E+15
Volume	6.2658792737595E+22
Height	38189429.166582