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

81990410 (number)

81990410 is an even 8-digits composite number following 81990409 and preceding 81990411. In scientific notation, it is written as 8.1990410 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 32648208 positive integers (up to 81990410) that are relatively prime to 81990410.

Interesting facts

81990410 has 16 divisors, whose sum is 148248576
The reverse of 81990410 is 01409918
Previous prime number is 223

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	8.1990410 × 10^7
Engineering notation	8.1990410 × 10^6

Prime Factorization of 81990410

Prime Factorization 2 × 5 × 223 × 36767

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	81990410	Product of the distinct prime numbers

The prime factorization of 81990410 is 2 × 5 × 223 × 36767. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 24, 74, 696, 340, 6406, 3450, 61382, 66580, 476794, 111520, 4740022, 8757134, 81116094, 87277915, 16455540, 26066382, 6067224258, 2027645131

Basic calculations (n = 81990410)

Multiplication

n×y

n×2	163980820
n×3	245971230
n×4	327961640
n×5	409952050

Division

n÷y

n÷2	40995205
n÷3	27330136.666667
n÷3	20497602.5
n÷5	16398082

Exponentiation

n^y

n²	6722427331968100
n³	5.5117457314327E+23
n⁴	4.5191029233592E+31
n⁵	3.7052310151842E+39

Nth Root

^y√n

²√n	9054.855603487
³√n	434.43121150298
⁴√n	95.157005015327
⁵√n	38.260673589369

Divisors of 81990410

1, 2, 5, 10, 223, 446, 1115, 2230, 36767, 73534, 183835, 367670, 8199041, 16398082, 40995205, 81990410

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81990409	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81990410 can be divided by 16 positive divisors. The sum of these divisors (counting 81990410) is 1, the average is 0.0625.

Base conversion 81990410

Base	System	Value
2	Binary	100111000110001001100001010
3	Ternary	12201021112200212
4	Quaternary	10320301030022
5	Quinary	131442143120
6	Senary	12045201122
8	Octal	470611412
10	Decimal	81990410
12	Duodecimal	235601a2
16	Hexadecimal	4e3130a
20	Vigesimal	15c8g0a
36	Base36	1ctc7e

Cryptographic Hash Functions

md5	1925a2da391bd59e57f8b480df99b91e
sha1	7096f6c6026786c160a6609e04716456fc1c85c3
sha256	3ff461b6944ba425f1b7d1f9eb2962f0deede2c3b2036297617d9e595af5c24a
sha512	1bf9dee129ccc2bbc8836addbfaaad0f623f87858c01fd4919db3bbc1efd117659f271289625af34eab10c130962efbf6babad0c48cdec572f754468b5fe5e82
ripemd-160	eda1db3556d3f6a5ba3660ee2459125ff075cba3

81990410 as geometric shapes

Circle

Radius = n

Diameter	163980820
Circumference	515160939.44163
Area	2.1119128320402E+16

Sphere

Radius = n

Volume	2.3087546531099E+24
Surface area	8.4476513281609E+16
Circumference	515160939.44163

Square

Length = n

Perimeter	327961640
Area	6722427331968100
Diagonal	115951949.80653

Cube

Length = n

Surface area	40334563991808600
Volume	5.5117457314327E+23
Space diagonal	142011555.8534

Equilateral Triangle

Length = n

Perimeter	245971230
Area	2.9108964222896E+15
Altitude	71005777.926702

Triangular Pyramid

Length = n

Surface area	2.9108964222896E+15
Volume	6.4956546381201E+22
Height	38650649.93551