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

81172009 (number)

81172009 is an odd 8-digits composite number following 81172008 and preceding 81172010. In scientific notation, it is written as 8.1172009 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 76899780 positive integers (up to 81172009) that are relatively prime to 81172009.

Interesting facts

81172009 has 4 divisors, whose sum is 85444240
The reverse of 81172009 is 90027118
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	eighty-one million one hundred seventy-two thousand nine

Notation

Scientific notation	8.1172009 × 10^7
Engineering notation	8.1172009 × 10^6

Prime Factorization of 81172009

Prime Factorization 19 × 4272211

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81172009	Product of the distinct prime numbers

The prime factorization of 81172009 is 19 × 4272211. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 8, 24, 18, 529, 822, 5737, 1649, 665, 35038, 388872, 44301, 9043879, 5629401, 90152995, 88133578, 603437145, 501683268, 8017002335, 4710505380

Basic calculations (n = 81172009)

Multiplication

n×y

n×2	162344018
n×3	243516027
n×4	324688036
n×5	405860045

Division

n÷y

n÷2	40586004.5
n÷3	27057336.333333
n÷3	20293002.25
n÷5	16234401.8

Exponentiation

n^y

n²	6588895045096081
n³	5.3483384790059E+23
n⁴	4.3413537915292E+31
n⁵	3.5239640903819E+39

Nth Root

^y√n

²√n	9009.5509877019
³√n	432.98092604083
⁴√n	94.918654582236
⁵√n	38.183985722522

Divisors of 81172009

1, 19, 4272211, 81172009

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	-81172008	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 81172009 can be divided by 4 positive divisors. The sum of these divisors (counting 81172009) is 1, the average is 0.25.

Base conversion 81172009

Base	System	Value
2	Binary	100110101101001011000101001
3	Ternary	12122201222001201
4	Quaternary	10311221120221
5	Quinary	131240001014
6	Senary	12015444201
8	Octal	465513051
10	Decimal	81172009
12	Duodecimal	23226661
16	Hexadecimal	4d69629
20	Vigesimal	1576a09
36	Base36	1cbsq1

Cryptographic Hash Functions

md5	a2bcf85706612ee5d04fc4059971b21f
sha1	93f39fd2c90194b354b25f3cbaeb02dd38c23a1c
sha256	bfa9a5fac363f4c7f2eb6da19462cae53049921c454e97cfa75f6dbe76ec6898
sha512	623efc503b003a2301282a673cf92abe79c151700e4d702fd5dffd449419adc8391d681bd440a804a660e524263d52bc3d3fc47c28c44527af1316947e974ef5
ripemd-160	20398c201218f56d0613dddffc1e54686a2313af

81172009 as geometric shapes

Circle

Radius = n

Diameter	162344018
Circumference	510018774.30305
Area	2.0699624268948E+16

Sphere

Radius = n

Volume	2.2403067832742E+24
Surface area	8.2798497075792E+16
Circumference	510018774.30305

Square

Length = n

Perimeter	324688036
Area	6588895045096081
Diagonal	114794556.01287

Cube

Length = n

Surface area	39533370270576486
Volume	5.3483384790059E+23
Space diagonal	140594043.74044

Equilateral Triangle

Length = n

Perimeter	243516027
Area	2.8530752459613E+15
Altitude	70297021.870219

Triangular Pyramid

Length = n

Surface area	2.8530752459613E+15
Volume	6.3030773443101E+22
Height	38264852.00429