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

81490382 (number)

81490382 is an even 8-digits composite number following 81490381 and preceding 81490383. In scientific notation, it is written as 8.1490382 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 39430800 positive integers (up to 81490382) that are relatively prime to 81490382.

Interesting facts

81490382 has 8 divisors, whose sum is 126178752
The reverse of 81490382 is 28309418
Previous prime number is 31

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8

Name

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

Notation

Scientific notation	8.1490382 × 10^7
Engineering notation	8.1490382 × 10^6

Prime Factorization of 81490382

Prime Factorization 2 × 31 × 1314361

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81490382	Product of the distinct prime numbers

The prime factorization of 81490382 is 2 × 31 × 1314361. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 33, 74, 829, 586, 8267, 5402, 16299, 14660, 947289, 883599, 904793, 8183829, 48672417, 26090034, 2796385, 273994963, 4537712295, 7138338940

Basic calculations (n = 81490382)

Multiplication

n×y

n×2	162980764
n×3	244471146
n×4	325961528
n×5	407451910

Division

n÷y

n÷2	40745191
n÷3	27163460.666667
n÷3	20372595.5
n÷5	16298076.4

Exponentiation

n^y

n²	6640682358505924
n³	5.4115174213531E+23
n⁴	4.4098662186572E+31
n⁵	3.5936168272727E+39

Nth Root

^y√n

²√n	9027.2023351645
³√n	433.54626707942
⁴√n	95.011590530653
⁵√n	38.213891899555

Divisors of 81490382

1, 2, 31, 62, 1314361, 2628722, 40745191, 81490382

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	-81490381	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 81490382 can be divided by 8 positive divisors. The sum of these divisors (counting 81490382) is 1, the average is 0.125.

Base conversion 81490382

Base	System	Value
2	Binary	100110110110111000111001110
3	Ternary	12200100010210022
4	Quaternary	10312313013032
5	Quinary	131330143012
6	Senary	12030342142
8	Octal	466670716
10	Decimal	81490382
12	Duodecimal	2335a952
16	Hexadecimal	4db71ce
20	Vigesimal	15965j2
36	Base36	1cimdq

Cryptographic Hash Functions

md5	b3356a6d33ec8cc05a074901369d14ff
sha1	b799bcd8eaab9a2dcc429909587577ee4580ad87
sha256	b1690eb7fefedf8d929d2a6f80ae006cf85fdcdfe373179111f0029c6f17452e
sha512	1a52758fcbc48ccc9fc17eedc64c7ba450cdb13e33c1604a0bc413ed62cc7f8262332113285026fd4d913c59de9e9f69877c4cbdb5a7c891c65f5a2bcc50eac1
ripemd-160	ff3ad789787b3c2773e7e03c8b0bf530bd6353e5

81490382 as geometric shapes

Circle

Radius = n

Diameter	162980764
Circumference	512019170.85885
Area	2.0862318912306E+16

Sphere

Radius = n

Volume	2.2667711167595E+24
Surface area	8.3449275649222E+16
Circumference	512019170.85885

Square

Length = n

Perimeter	325961528
Area	6640682358505924
Diagonal	115244803.42736

Cube

Length = n

Surface area	39844094151035544
Volume	5.4115174213531E+23
Space diagonal	141145481.9522

Equilateral Triangle

Length = n

Perimeter	244471146
Area	2.8754998104646E+15
Altitude	70572740.976098

Triangular Pyramid

Length = n

Surface area	2.8754998104646E+15
Volume	6.3775344419132E+22
Height	38414934.475788