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

81121011 (number)

81121011 is an odd 8-digits composite number following 81121010 and preceding 81121012. In scientific notation, it is written as 8.1121011 × 10^7. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 54080672 positive integers (up to 81121011) that are relatively prime to 81121011.

Interesting facts

81121011 has 4 divisors, whose sum is 108161352
The reverse of 81121011 is 11012118
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6

Name

Name	eighty-one million one hundred twenty-one thousand eleven

Notation

Scientific notation	8.1121011 × 10^7
Engineering notation	8.1121011 × 10^6

Prime Factorization of 81121011

Prime Factorization 3 × 27040337

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81121011	Product of the distinct prime numbers

The prime factorization of 81121011 is 3 × 27040337. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 3, 13, 51, 748, 22, 4881, 2908, 34652, 1143, 515544, 706785, 4493743, 3970504, 13307057, 74825440, 37724735, 20019627, 7623079969, 4813402609

Basic calculations (n = 81121011)

Multiplication

n×y

n×2	162242022
n×3	243363033
n×4	324484044
n×5	405605055

Division

n÷y

n÷2	40560505.5
n÷3	27040337
n÷3	20280252.75
n÷5	16224202.2

Exponentiation

n^y

n²	6580618425662121
n³	5.3382641969494E+23
n⁴	4.3304538864164E+31
n⁵	3.5129079735498E+39

Nth Root

^y√n

²√n	9006.7203242912
³√n	432.89023062555
⁴√n	94.903742414571
⁵√n	38.179186539929

Divisors of 81121011

1, 3, 27040337, 81121011

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	-81121010	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 81121011 can be divided by 4 positive divisors. The sum of these divisors (counting 81121011) is 1, the average is 0.25.

Base conversion 81121011

Base	System	Value
2	Binary	100110101011100111011110011
3	Ternary	12122122101002220
4	Quaternary	10311130323303
5	Quinary	131231333021
6	Senary	12014412123
8	Octal	465347363
10	Decimal	81121011
12	Duodecimal	23201043
16	Hexadecimal	4d5cef3
20	Vigesimal	15702ab
36	Base36	1capdf

Cryptographic Hash Functions

md5	8bb343015f6475b112e4964b686b4692
sha1	477f2012e49879c76129eaece31c479a5882df76
sha256	1596e859886101f3b4d57145747e4e51576b7a67455d04b4898d59a65399c222
sha512	230ce48e19cd7cb67a58bf75bbf4873c3b78e4026ed72868cc44c8c366ac65fd24ad0f761330c8a9ebfee5393b5f9993455361f9f579cc248a960ef7b37e9c38
ripemd-160	58fff00f4e7a88ceb55cac0f541090eb13d7f930

81121011 as geometric shapes

Circle

Radius = n

Diameter	162242022
Circumference	509698344.41875
Area	2.0673622502138E+16

Sphere

Radius = n

Volume	2.2360868778744E+24
Surface area	8.2694490008551E+16
Circumference	509698344.41875

Square

Length = n

Perimeter	324484044
Area	6580618425662121
Diagonal	114722433.94962

Cube

Length = n

Surface area	39483710553972726
Volume	5.3382641969494E+23
Space diagonal	140505712.61335

Equilateral Triangle

Length = n

Perimeter	243363033
Area	2.8494913646177E+15
Altitude	70252856.306677

Triangular Pyramid

Length = n

Surface area	2.8494913646177E+15
Volume	6.2912046890471E+22
Height	38240811.316539