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

81072401 (number)

81072401 is an odd 8-digits composite number following 81072400 and preceding 81072402. In scientific notation, it is written as 8.1072401 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 77153472 positive integers (up to 81072401) that are relatively prime to 81072401.

Interesting facts

81072401 has 8 divisors, whose sum is 85027200
The reverse of 81072401 is 10427018
Previous prime number is 199

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

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

Notation

Scientific notation	8.1072401 × 10^7
Engineering notation	8.1072401 × 10^6

Prime Factorization of 81072401

Prime Factorization 23 × 199 × 17713

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81072401	Product of the distinct prime numbers

The prime factorization of 81072401 is 23 × 199 × 17713. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 5, 47, 29, 736, 708, 2917, 5844, 59974, 81978, 815114, 352777, 4073442, 9393637, 29132944, 62921448, 701375974, 75274269, 7372676679, 725221384

Basic calculations (n = 81072401)

Multiplication

n×y

n×2	162144802
n×3	243217203
n×4	324289604
n×5	405362005

Division

n÷y

n÷2	40536200.5
n÷3	27024133.666667
n÷3	20268100.25
n÷5	16214480.2

Exponentiation

n^y

n²	6572734203904801
n³	5.3286734304539E+23
n⁴	4.320083491518E+31
n⁵	3.5023954117783E+39

Nth Root

^y√n

²√n	9004.0213793616
³√n	432.80374666619
⁴√n	94.889521968242
⁵√n	38.174609833511

Divisors of 81072401

1, 23, 199, 4577, 17713, 407399, 3524887, 81072401

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	-81072400	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 81072401 can be divided by 8 positive divisors. The sum of these divisors (counting 81072401) is 1, the average is 0.125.

Base conversion 81072401

Base	System	Value
2	Binary	100110101010001000100010001
3	Ternary	12122112220102112
4	Quaternary	10311101010101
5	Quinary	131223304101
6	Senary	12013355105
8	Octal	465210421
10	Decimal	81072401
12	Duodecimal	23198a95
16	Hexadecimal	4d51111
20	Vigesimal	156e101
36	Base36	1c9nv5

Cryptographic Hash Functions

md5	7a7c996e45b59eb8b1855c0d425ec8c1
sha1	7b5c612102b219afe7ae72898f4c564cd4c9de5e
sha256	08fc0f350a8d6d6807b8f1f60c7823da15686e3c750132180c42de7b8c9283a5
sha512	b01ec384776f682478ac9bb52e6992962c7466b05b5255eaa999b814176a0fd6ff9840c1dbaf05cf9c1fba66003d624106aca897f7ec14219c9cc6b2176867af
ripemd-160	5e59c09efc9f04e1350cd02241242e38c516a12f

81072401 as geometric shapes

Circle

Radius = n

Diameter	162144802
Circumference	509392918.78097
Area	2.0648853488986E+16

Sphere

Radius = n

Volume	2.2320695069991E+24
Surface area	8.2595413955943E+16
Circumference	509392918.78097

Square

Length = n

Perimeter	324289604
Area	6572734203904801
Diagonal	114653689.02835

Cube

Length = n

Surface area	39436405223428806
Volume	5.3286734304539E+23
Space diagonal	140421517.6236

Equilateral Triangle

Length = n

Perimeter	243217203
Area	2.8460773964522E+15
Altitude	70210758.811799

Triangular Pyramid

Length = n

Surface area	2.8460773964522E+15
Volume	6.2799018623375E+22
Height	38217896.342783