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

81013757 (number)

81013757 is an odd 8-digits composite number following 81013756 and preceding 81013758. In scientific notation, it is written as 8.1013757 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 69336000 positive integers (up to 81013757) that are relatively prime to 81013757.

Interesting facts

81013757 has 16 divisors, whose sum is 93709824
The reverse of 81013757 is 75731018
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	eighty-one million thirteen thousand seven hundred fifty-seven

Notation

Scientific notation	8.1013757 × 10^7
Engineering notation	8.1013757 × 10^6

Prime Factorization of 81013757

Prime Factorization 37 × 11 × 31 × 6421

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	81013757	Product of the distinct prime numbers

The prime factorization of 81013757 is 37 × 11 × 31 × 6421. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 41, 56, 211, 752, 8569, 4512, 33065, 92965, 553135, 588260, 1165533, 3488102, 71731120, 80571239, 629125237, 672489887, 3419336924, 8102592411

Basic calculations (n = 81013757)

Multiplication

n×y

n×2	162027514
n×3	243041271
n×4	324055028
n×5	405068785

Division

n÷y

n÷2	40506878.5
n÷3	27004585.666667
n÷3	20253439.25
n÷5	16202751.4

Exponentiation

n^y

n²	6563228823255049
n³	5.3171182502258E+23
n⁴	4.3075972586406E+31
n⁵	3.4897463756537E+39

Nth Root

^y√n

²√n	9000.7642453294
³√n	432.69936480109
⁴√n	94.872357646099
⁵√n	38.169085487804

Divisors of 81013757

1, 11, 31, 37, 341, 407, 1147, 6421, 12617, 70631, 199051, 237577, 2189561, 2613347, 7364887, 81013757

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81013756	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81013757 can be divided by 16 positive divisors. The sum of these divisors (counting 81013757) is 1, the average is 0.0625.

Base conversion 81013757

Base	System	Value
2	Binary	100110101000010101111111101
3	Ternary	12122102220222112
4	Quaternary	10311002233331
5	Quinary	131214420012
6	Senary	12012223405
8	Octal	465025775
10	Decimal	81013757
12	Duodecimal	2316ab65
16	Hexadecimal	4d42bfd
20	Vigesimal	1566e7h
36	Base36	1c8em5

Cryptographic Hash Functions

md5	babf791b8fa0d68f72b229e19fb98d70
sha1	e4c9e6d672b78215262df6c79efc7e9864283e2f
sha256	bec09a4411837f2f1597f8f35c3778f43375886defaf6327d973758529034122
sha512	037ba45dbf7b2cdc2300b8c6c71938e96035f34440e18834ebd6ee6669dc2a72d8b223e87a63aa357458349e050a033d590ffeccf2407290ba432cfa2908f809
ripemd-160	f6c25998740d854b3d142f2ca3704cbdab436123

81013757 as geometric shapes

Circle

Radius = n

Diameter	162027514
Circumference	509024447.66182
Area	2.0618991454967E+16

Sphere

Radius = n

Volume	2.2272292844237E+24
Surface area	8.2475965819867E+16
Circumference	509024447.66182

Square

Length = n

Perimeter	324055028
Area	6563228823255049
Diagonal	114570753.8882

Cube

Length = n

Surface area	39379372939530294
Volume	5.3171182502258E+23
Space diagonal	140319943.23604

Equilateral Triangle

Length = n

Perimeter	243041271
Area	2.8419614458946E+15
Altitude	70159971.618019

Triangular Pyramid

Length = n

Surface area	2.8419614458946E+15
Volume	6.2662839518424E+22
Height	38190251.296066