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

81400311 (number)

81400311 is an odd 8-digits composite number following 81400310 and preceding 81400312. In scientific notation, it is written as 8.1400311 × 10^7. The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors. There are 54266868 positive integers (up to 81400311) that are relatively prime to 81400311.

Interesting facts

81400311 has 4 divisors, whose sum is 90444800
The reverse of 81400311 is 11300418
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

Name	eighty-one million four hundred thousand three hundred eleven

Notation

Scientific notation	8.1400311 × 10^7
Engineering notation	8.1400311 × 10^6

Prime Factorization of 81400311

Prime Factorization 9 × 9044479

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81400311	Product of the distinct prime numbers

The prime factorization of 81400311 is 9 × 9044479. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 5, 75, 94, 576, 106, 6849, 9887, 18719, 87343, 392978, 51249, 4328780, 5077693, 13283836, 76978881, 59857458, 797058823, 3805448057, 4255266837

Basic calculations (n = 81400311)

Multiplication

n×y

n×2	162800622
n×3	244200933
n×4	325601244
n×5	407001555

Division

n÷y

n÷2	40700155.5
n÷3	27133437
n÷3	20350077.75
n÷5	16280062.2

Exponentiation

n^y

n²	6626010630896721
n³	5.393593260443E+23
n⁴	4.3904016880756E+31
n⁵	3.5738006282428E+39

Nth Root

^y√n

²√n	9022.2120901695
³√n	433.38647586253
⁴√n	94.985325657016
⁵√n	38.205440629262

Divisors of 81400311

1, 9, 9044479, 81400311

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	-81400310	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 81400311 can be divided by 4 positive divisors. The sum of these divisors (counting 81400311) is 1, the average is 0.25.

Base conversion 81400311

Base	System	Value
2	Binary	100110110100001000111110111
3	Ternary	12200011120020100
4	Quaternary	10312201013313
5	Quinary	131314302221
6	Senary	12024405143
8	Octal	466410767
10	Decimal	81400311
12	Duodecimal	233167b3
16	Hexadecimal	4da11f7
20	Vigesimal	158f0fb
36	Base36	1cgovr

Cryptographic Hash Functions

md5	8d3a4557416c887dc5a61968055c675b
sha1	68f7c5e2a8394e0e87d2682dbf7adef3d2d33c92
sha256	8ae8146c2acada68a90a22d48e4c8875dac0b15f28a394290b03647bf49a4b57
sha512	608a327e75e7991f365a91cca4a5a7ea4d5215522a0a8d05f733291ef49ea0647bd85f3a01b0628435901027c130f20f2edf9ed1223ac467b40b877e23538aae
ripemd-160	42f0a56d589de8f397738e30cc1a706427f5afe7

81400311 as geometric shapes

Circle

Radius = n

Diameter	162800622
Circumference	511453238.07505
Area	2.0816226320633E+16

Sphere

Radius = n

Volume	2.2592630617946E+24
Surface area	8.3264905282532E+16
Circumference	511453238.07505

Square

Length = n

Perimeter	325601244
Area	6626010630896721
Diagonal	115117423.79759

Cube

Length = n

Surface area	39756063785380326
Volume	5.393593260443E+23
Space diagonal	140989474.40391

Equilateral Triangle

Length = n

Perimeter	244200933
Area	2.8691467660512E+15
Altitude	70494737.201954

Triangular Pyramid

Length = n

Surface area	2.8691467660512E+15
Volume	6.3564106157022E+22
Height	38372474.599196