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

81330397 (number)

81330397 is an odd 8-digits composite number following 81330396 and preceding 81330398. In scientific notation, it is written as 8.1330397 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 76546240 positive integers (up to 81330397) that are relatively prime to 81330397.

Interesting facts

81330397 has 4 divisors, whose sum is 86114556
The reverse of 81330397 is 79303318
Previous prime number is 17

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 thirty thousand three hundred ninety-seven

Notation

Scientific notation	8.1330397 × 10^7
Engineering notation	8.1330397 × 10^6

Prime Factorization of 81330397

Prime Factorization 17 × 4784141

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81330397	Product of the distinct prime numbers

The prime factorization of 81330397 is 17 × 4784141. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 9, 42, 94, 796, 669, 3518, 6946, 41937, 86233, 428581, 628382, 58962, 9050271, 50380899, 24798525, 796682097, 218324952, 9129814269, 3058520168

Basic calculations (n = 81330397)

Multiplication

n×y

n×2	162660794
n×3	243991191
n×4	325321588
n×5	406651985

Division

n÷y

n÷2	40665198.5
n÷3	27110132.333333
n÷3	20332599.25
n÷5	16266079.4

Exponentiation

n^y

n²	6614633476177609
n³	5.3797076662701E+23
n⁴	4.3753376024169E+31
n⁵	3.558479442136E+39

Nth Root

^y√n

²√n	9018.336709172
³√n	433.262363065
⁴√n	94.964923572717
⁵√n	38.198875511049

Divisors of 81330397

1, 17, 4784141, 81330397

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81330396	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330397 can be divided by 4 positive divisors. The sum of these divisors (counting 81330397) is 1, the average is 0.25.

Base conversion 81330397

Base	System	Value
2	Binary	100110110010000000011011101
3	Ternary	12200001000022221
4	Quaternary	10312100003131
5	Quinary	131310033042
6	Senary	12023105341
8	Octal	466200335
10	Decimal	81330397
12	Duodecimal	232a2251
16	Hexadecimal	4d900dd
20	Vigesimal	15865jh
36	Base36	1cf6xp

Cryptographic Hash Functions

md5	ac886c830e230004faf0e009ba191605
sha1	31995e382c726cd45c42fdc9478d387aa394a086
sha256	b09bba762d418b0248a108208c32c6f17b48f1de345f5ef382e07d884a8edab4
sha512	78f1e9a92fc3fa47aa31e2a05312d46a536bd90e6aab741bac50334edd711a4be2bcd4770d4ab05628811ab44fc43052eb0b214aa508926b05ed43b58742ca3a
ripemd-160	87d12f2dd87b79b47caf7b37dd896b3a3f42f077

81330397 as geometric shapes

Circle

Radius = n

Diameter	162660794
Circumference	511013955.45748
Area	2.0780483934949E+16

Sphere

Radius = n

Volume	2.2534466777087E+24
Surface area	8.3121935739795E+16
Circumference	511013955.45748

Square

Length = n

Perimeter	325321588
Area	6614633476177609
Diagonal	115018550.47059

Cube

Length = n

Surface area	39687800857065654
Volume	5.3797076662701E+23
Space diagonal	140868379.80375

Equilateral Triangle

Length = n

Perimeter	243991191
Area	2.8642203135464E+15
Altitude	70434189.901874

Triangular Pyramid

Length = n

Surface area	2.8642203135464E+15
Volume	6.3400462860348E+22
Height	38339516.823529