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

81001409 (number)

81001409 is an odd 8-digits prime number following 81001408 and preceding 81001410. In scientific notation, it is written as 8.1001409 × 10^7. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 81001408 positive integers (up to 81001409) that are relatively prime to 81001409.

Interesting facts

81001409 has 2 divisors, whose sum is 81001410
The reverse of 81001409 is 90410018
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	eighty-one million one thousand four hundred nine

Notation

Scientific notation	8.1001409 × 10^7
Engineering notation	8.1001409 × 10^6

Prime Factorization of 81001409

Prime Factorization 81001409

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81001409	Product of the distinct prime numbers

The prime factorization of 81001409 is 81001409. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 5, 7, 56, 766, 453, 6641, 373, 57484, 23371, 159944, 365990, 913694, 8398030, 64669954, 70093816, 535996715, 975240283, 2671531647, 9074787116

Basic calculations (n = 81001409)

Multiplication

n×y

n×2	162002818
n×3	243004227
n×4	324005636
n×5	405007045

Division

n÷y

n÷2	40500704.5
n÷3	27000469.666667
n÷3	20250352.25
n÷5	16200281.8

Exponentiation

n^y

n²	6561228259985281
n³	5.3146873382943E+23
n⁴	4.3049716279629E+31
n⁵	3.4870876757002E+39

Nth Root

^y√n

²√n	9000.0782774374
³√n	432.67737987971
⁴√n	94.868742362473
⁵√n	38.167921881467

Divisors of 81001409

1, 81001409

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81001410	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40500705	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9000.0783329924	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999753091	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81001409 can be divided by 2 positive divisors. The sum of these divisors (counting 81001409) is 81001410, the average is 40500705.

Base conversion 81001409

Base	System	Value
2	Binary	100110100111111101111000001
3	Ternary	12122102022001012
4	Quaternary	10310333233001
5	Quinary	131214021114
6	Senary	12012050305
8	Octal	464775701
10	Decimal	81001409
12	Duodecimal	23163995
16	Hexadecimal	4d3fbc1
20	Vigesimal	15653a9
36	Base36	1c8535

Cryptographic Hash Functions

md5	4a099f588573baef3adf7ba56229ab20
sha1	7dd77efca04520c169067ca2a9d49e15721a0112
sha256	f4768e9503890a25f544d45e4e3c26d13db0a14f237cd2ebf81b1c64ff57fc69
sha512	4a8e4877cfe0e5e07a0ac826f79d72c9a139bdae8643c66d8ac35fef6491aedbdb3eda3870b6dbe027dc9dcbef3247099a9fe90cb2fd530259e6c2e03d769162
ripemd-160	988c746576af00568656b660f9159ba8b42f540a

81001409 as geometric shapes

Circle

Radius = n

Diameter	162002818
Circumference	508946862.88964
Area	2.0612706500096E+16

Sphere

Radius = n

Volume	2.2262110264149E+24
Surface area	8.2450826000382E+16
Circumference	508946862.88964

Square

Length = n

Perimeter	324005636
Area	6561228259985281
Diagonal	114553291.17913

Cube

Length = n

Surface area	39367369559911686
Volume	5.3146873382943E+23
Space diagonal	140298555.87267

Equilateral Triangle

Length = n

Perimeter	243004227
Area	2.8410951765878E+15
Altitude	70149277.936333

Triangular Pyramid

Length = n

Surface area	2.8410951765878E+15
Volume	6.2634190946569E+22
Height	38184430.393043