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

81363661 (number)

81363661 is an odd 8-digits composite number following 81363660 and preceding 81363662. In scientific notation, it is written as 8.1363661 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 79994640 positive integers (up to 81363661) that are relatively prime to 81363661.

Interesting facts

81363661 has 8 divisors, whose sum is 82737504
The reverse of 81363661 is 16636318
Previous prime number is 773

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	eighty-one million three hundred sixty-three thousand six hundred sixty-one

Notation

Scientific notation	8.1363661 × 10^7
Engineering notation	8.1363661 × 10^6

Prime Factorization of 81363661

Prime Factorization 67 × 773 × 1571

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81363661	Product of the distinct prime numbers

The prime factorization of 81363661 is 67 × 773 × 1571. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 1, 42, 9, 4, 611, 7566, 8436, 96990, 75910, 648599, 253025, 37215, 4873808, 81303712, 56096671, 751050693, 122969215, 3081289240, 6866894598

Basic calculations (n = 81363661)

Multiplication

n×y

n×2	162727322
n×3	244090983
n×4	325454644
n×5	406818305

Division

n÷y

n÷2	40681830.5
n÷3	27121220.333333
n÷3	20340915.25
n÷5	16272732.2

Exponentiation

n^y

n²	6620045331322921
n³	5.3863112414239E+23
n⁴	4.382500018877E+31
n⁵	3.5657624586841E+39

Nth Root

^y√n

²√n	9020.1807631555
³√n	433.32142288105
⁴√n	94.974632208582
⁵√n	38.201999655565

Divisors of 81363661

1, 67, 773, 1571, 51791, 105257, 1214383, 81363661

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	-81363660	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 81363661 can be divided by 8 positive divisors. The sum of these divisors (counting 81363661) is 1, the average is 0.125.

Base conversion 81363661

Base	System	Value
2	Binary	100110110011000001011001101
3	Ternary	12200002200221221
4	Quaternary	10312120023031
5	Quinary	131312114121
6	Senary	12023523341
8	Octal	466301315
10	Decimal	81363661
12	Duodecimal	232b9551
16	Hexadecimal	4d982cd
20	Vigesimal	158a931
36	Base36	1cfwlp

Cryptographic Hash Functions

md5	cbb3e1865b72ccc347d2aeacb92f93b9
sha1	6a9096af189c2ea8bff8f3cebf1b725c1df1a508
sha256	2add3511ba35bafa1eb002d1b615760e422ef2a2f5da9fb50bb83b00ab662a5d
sha512	ae3eda9e988e99f022036742f43f4600fc60c306421de975c0595b698c72555eb20328b8794ce178ade9b201f62db0c236704f5f265a7f297cfa5e5521a510f8
ripemd-160	2ba56760dfe8135b7d0b8bf30c40506078f8e437

81363661 as geometric shapes

Circle

Radius = n

Diameter	162727322
Circumference	511222959.33354
Area	2.0797485779315E+16

Sphere

Radius = n

Volume	2.2562127768007E+24
Surface area	8.3189943117262E+16
Circumference	511222959.33354

Square

Length = n

Perimeter	325454644
Area	6620045331322921
Diagonal	115065592.87053

Cube

Length = n

Surface area	39720271987937526
Volume	5.3863112414239E+23
Space diagonal	140925994.74181

Equilateral Triangle

Length = n

Perimeter	244090983
Area	2.8665637155651E+15
Altitude	70462997.370905

Triangular Pyramid

Length = n

Surface area	2.8665637155651E+15
Volume	6.347828673987E+22
Height	38355197.623509