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

81493399 (number)

81493399 is an odd 8-digits composite number following 81493398 and preceding 81493400. In scientific notation, it is written as 8.1493399 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 75224664 positive integers (up to 81493399) that are relatively prime to 81493399.

Interesting facts

81493399 has 4 divisors, whose sum is 87762136
The reverse of 81493399 is 99339418
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1

Name

Name	eighty-one million four hundred ninety-three thousand three hundred ninety-nine

Notation

Scientific notation	8.1493399 × 10^7
Engineering notation	8.1493399 × 10^6

Prime Factorization of 81493399

Prime Factorization 13 × 6268723

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81493399	Product of the distinct prime numbers

The prime factorization of 81493399 is 13 × 6268723. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 6, 28, 31, 465, 414, 6267, 6763, 29174, 98106, 934135, 91990, 6210222, 3481734, 86609664, 42660462, 453661845, 85481598, 4666959915, 4504410948

Basic calculations (n = 81493399)

Multiplication

n×y

n×2	162986798
n×3	244480197
n×4	325973596
n×5	407466995

Division

n÷y

n÷2	40746699.5
n÷3	27164466.333333
n÷3	20373349.75
n÷5	16298679.8

Exponentiation

n^y

n²	6641174080573201
n³	5.4121184917661E+23
n⁴	4.4105193168477E+31
n⁵	3.5942821048508E+39

Nth Root

^y√n

²√n	9027.3694396541
³√n	433.55161737522
⁴√n	95.012469916607
⁵√n	38.214174852221

Divisors of 81493399

1, 13, 6268723, 81493399

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	-81493398	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 81493399 can be divided by 4 positive divisors. The sum of these divisors (counting 81493399) is 1, the average is 0.25.

Base conversion 81493399

Base	System	Value
2	Binary	100110110110111110110010111
3	Ternary	12200100021221001
4	Quaternary	10312313312113
5	Quinary	131330242044
6	Senary	12030404131
8	Octal	466676627
10	Decimal	81493399
12	Duodecimal	23360647
16	Hexadecimal	4db7d97
20	Vigesimal	1596d9j
36	Base36	1ciopj

Cryptographic Hash Functions

md5	98d22ed7f9f2854b64016267e48eacf9
sha1	11be7c2bb394e458bc0f58be120062e6f0e8fb35
sha256	511ae97fee055782e623f82a69d6b95ff093130c925909f96476e817361d2612
sha512	0dfc9d4732aa011a155165cffe5514b9fc6d184b6306e0af1f93d804704c7a64111d8ea0242abbb9331388d304dc973c98fe97baa72964c82538a5bcc14c430d
ripemd-160	011e38c85f1e322a9d0d538bb752e9208f4af962

81493399 as geometric shapes

Circle

Radius = n

Diameter	162986798
Circumference	512038127.22892
Area	2.086386370274E+16

Sphere

Radius = n

Volume	2.2670228925453E+24
Surface area	8.3455454810959E+16
Circumference	512038127.22892

Square

Length = n

Perimeter	325973596
Area	6641174080573201
Diagonal	115249070.10968

Cube

Length = n

Surface area	39847044483439206
Volume	5.4121184917661E+23
Space diagonal	141150707.54948

Equilateral Triangle

Length = n

Perimeter	244480197
Area	2.8757127323656E+15
Altitude	70575353.774741

Triangular Pyramid

Length = n

Surface area	2.8757127323656E+15
Volume	6.3782428101882E+22
Height	38416356.703227