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

81168081 (number)

81168081 is an odd 8-digits composite number following 81168080 and preceding 81168082. In scientific notation, it is written as 8.1168081 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 48713984 positive integers (up to 81168081) that are relatively prime to 81168081.

Interesting facts

81168081 has 8 divisors, whose sum is 86359104
The reverse of 81168081 is 18086118
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	eighty-one million one hundred sixty-eight thousand eighty-one

Notation

Scientific notation	8.1168081 × 10^7
Engineering notation	8.1168081 × 10^6

Prime Factorization of 81168081

Prime Factorization 51 × 23 × 69197

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81168081	Product of the distinct prime numbers

The prime factorization of 81168081 is 51 × 23 × 69197. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 9, 37, 39, 465, 744, 9810, 3795, 59209, 819, 362093, 87519, 8677729, 7111522, 16969570, 24494480, 503014832, 761479450, 4148266343, 7574987303

Basic calculations (n = 81168081)

Multiplication

n×y

n×2	162336162
n×3	243504243
n×4	324672324
n×5	405840405

Division

n÷y

n÷2	40584040.5
n÷3	27056027
n÷3	20292020.25
n÷5	16233616.2

Exponentiation

n^y

n²	6588257373222561
n³	5.3475620811858E+23
n⁴	4.3405135215821E+31
n⁵	3.5231115310137E+39

Nth Root

^y√n

²√n	9009.3329941789
³√n	432.97394179206
⁴√n	94.917506257691
⁵√n	38.183616162618

Divisors of 81168081

1, 23, 51, 1173, 69197, 1591531, 3529047, 81168081

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81168080	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81168081 can be divided by 8 positive divisors. The sum of these divisors (counting 81168081) is 1, the average is 0.125.

Base conversion 81168081

Base	System	Value
2	Binary	100110101101000011011010001
3	Ternary	12122201202200020
4	Quaternary	10311220123101
5	Quinary	131234334311
6	Senary	12015414053
8	Octal	465503321
10	Decimal	81168081
12	Duodecimal	23224329
16	Hexadecimal	4d686d1
20	Vigesimal	1576041
36	Base36	1cbpox

Cryptographic Hash Functions

md5	f9d176f6e1bfaec97a42e1f4eaeac9cc
sha1	74811def8d28154709012e54bb8876039d365c0b
sha256	8f8f52d4633eb88ccf85ffcdc80eb7b20e2c6e33ee6a80d009b4f41d94b7f558
sha512	141c7301b61bd673853fa17d260700fb5670207c84543a69397e2671d5ff5fe79d94d23741e9b6579518e426f89c2b81bb47f805c5354b65bbca3073d4027f9a
ripemd-160	f8ecbb3c25394f942aeda5e5a9cc74390c3862e5

81168081 as geometric shapes

Circle

Radius = n

Diameter	162336162
Circumference	509994093.95116
Area	2.0697620963675E+16

Sphere

Radius = n

Volume	2.2399815665158E+24
Surface area	8.2790483854699E+16
Circumference	509994093.95116

Square

Length = n

Perimeter	324672324
Area	6588257373222561
Diagonal	114789000.982

Cube

Length = n

Surface area	39529544239335366
Volume	5.3475620811858E+23
Space diagonal	140587240.24487

Equilateral Triangle

Length = n

Perimeter	243504243
Area	2.8527991259404E+15
Altitude	70293620.122433

Triangular Pyramid

Length = n

Surface area	2.8527991259404E+15
Volume	6.3021623507042E+22
Height	38263000.327333