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

81013756 (number)

81013756 is an even 8-digits composite number following 81013755 and preceding 81013757. In scientific notation, it is written as 8.1013756 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors. There are 40506876 positive integers (up to 81013756) that are relatively prime to 81013756.

Interesting facts

81013756 has 6 divisors, whose sum is 141774080
The reverse of 81013756 is 65731018
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	8.1013756 × 10^7
Engineering notation	8.1013756 × 10^6

Prime Factorization of 81013756

Prime Factorization 2 × 2 × 20253439

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	40506878	Product of the distinct prime numbers

The prime factorization of 81013756 is 2 × 2 × 20253439. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 95, 87, 995, 561, 9036, 9141, 50990, 63172, 785303, 657251, 6560385, 1605266, 94525611, 46547392, 257627741, 281252225, 5560489875, 6591958653

Basic calculations (n = 81013756)

Multiplication

n×y

n×2	162027512
n×3	243041268
n×4	324055024
n×5	405068780

Division

n÷y

n÷2	40506878
n÷3	27004585.333333
n÷3	20253439
n÷5	16202751.2

Exponentiation

n^y

n²	6563228661227536
n³	5.3171180533289E+23
n⁴	4.3075970459559E+31
n⁵	3.4897461602739E+39

Nth Root

^y√n

²√n	9000.7641897786
³√n	432.69936302073
⁴√n	94.872357353333
⁵√n	38.169085393575

Divisors of 81013756

1, 2, 4, 20253439, 40506878, 81013756

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81013755	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81013756 can be divided by 6 positive divisors. The sum of these divisors (counting 81013756) is 1, the average is 0.16666666666667.

Base conversion 81013756

Base	System	Value
2	Binary	100110101000010101111111100
3	Ternary	12122102220222111
4	Quaternary	10311002233330
5	Quinary	131214420011
6	Senary	12012223404
8	Octal	465025774
10	Decimal	81013756
12	Duodecimal	2316ab64
16	Hexadecimal	4d42bfc
20	Vigesimal	1566e7g
36	Base36	1c8em4

Cryptographic Hash Functions

md5	a57600fe37408c88c58493e9e6925e8b
sha1	22ec561ea0450b2e2cc91eebbe4eb943d8abf76f
sha256	cc8dce2b1b9f9fa54e47b96378ccf5f4672fec380511f02aae800aa5c375fc67
sha512	bd7fbd6895530ce49c3c54ccb212f6e3c4dac8694042effc801d808bcc7439c3376f0c0c91582fe3c534961015469aae3c5d9618d36a8594c993c1c1dfbbd524
ripemd-160	3a1e6ae91c5df111028b83172ea6b15ad4180655

81013756 as geometric shapes

Circle

Radius = n

Diameter	162027512
Circumference	509024441.37863
Area	2.0618990945942E+16

Sphere

Radius = n

Volume	2.2272292019477E+24
Surface area	8.247596378377E+16
Circumference	509024441.37863

Square

Length = n

Perimeter	324055024
Area	6563228661227536
Diagonal	114570752.47398

Cube

Length = n

Surface area	39379371967365216
Volume	5.3171180533289E+23
Space diagonal	140319941.50399

Equilateral Triangle

Length = n

Perimeter	243041268
Area	2.8419613757346E+15
Altitude	70159970.751994

Triangular Pyramid

Length = n

Surface area	2.8419613757346E+15
Volume	6.2662837197972E+22
Height	38190250.824662