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

81704890 (number)

81704890 is an even 8-digits composite number following 81704889 and preceding 81704891. In scientific notation, it is written as 8.1704890 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 29697024 positive integers (up to 81704890) that are relatively prime to 81704890.

Interesting facts

81704890 has 8 divisors, whose sum is 122614452
The reverse of 81704890 is 09840718
Previous prime number is 2465

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	eighty-one million seven hundred four thousand eight hundred ninety

Notation

Scientific notation	8.1704890 × 10^7
Engineering notation	8.1704890 × 10^6

Prime Factorization of 81704890

Prime Factorization 2 × 2465 × 16573

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81704890	Product of the distinct prime numbers

The prime factorization of 81704890 is 2 × 2465 × 16573. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 5, 14, 19, 531, 592, 7155, 5695, 46209, 86831, 435611, 758046, 1279867, 3201412, 2366326, 75542331, 999101243, 387154566, 1982779804, 2300681273

Basic calculations (n = 81704890)

Multiplication

n×y

n×2	163409780
n×3	245114670
n×4	326819560
n×5	408524450

Division

n÷y

n÷2	40852445
n÷3	27234963.333333
n÷3	20426222.5
n÷5	16340978

Exponentiation

n^y

n²	6675689049912100
n³	5.4543643949727E+23
n⁴	4.4564824291116E+31
n⁵	3.641164066575E+39

Nth Root

^y√n

²√n	9039.0757270863
³√n	433.92634326601
⁴√n	95.074053911076
⁵√n	38.23398891693

Divisors of 81704890

1, 2, 2465, 4930, 16573, 33146, 40852445, 81704890

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	-81704889	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 81704890 can be divided by 8 positive divisors. The sum of these divisors (counting 81704890) is 1, the average is 0.125.

Base conversion 81704890

Base	System	Value
2	Binary	100110111101011011110111010
3	Ternary	12200202001001001
4	Quaternary	10313223132322
5	Quinary	131404024030
6	Senary	12035115214
8	Octal	467533672
10	Decimal	81704890
12	Duodecimal	23442b0a
16	Hexadecimal	4deb7ba
20	Vigesimal	15ad24a
36	Base36	1cn7wa

Cryptographic Hash Functions

md5	251e439cf8f54a74b5dcefc503dfbb6f
sha1	c51136c57c4d0582d4e55442d5143c1304c2917d
sha256	e38c190ad103c3303598ce587585a58d69d899b17c5fa4c2a00be26e0dd574d1
sha512	d885629ddf69e69bda0e1eb6c9c4f48858cedca8690f341ff5103e20b1251ee90a4a828b32790e5846468c37ffb997d7fc95bdf5829d54b6a6ff0e2d9285ed81
ripemd-160	a4d884c293b982243cefb1f238b6ca993e389800

81704890 as geometric shapes

Circle

Radius = n

Diameter	163409780
Circumference	513366964.37272
Area	2.0972295676854E+16

Sphere

Radius = n

Volume	2.2847188150997E+24
Surface area	8.3889182707415E+16
Circumference	513366964.37272

Square

Length = n

Perimeter	326819560
Area	6675689049912100
Diagonal	115548163.5502

Cube

Length = n

Surface area	40054134299472600
Volume	5.4543643949727E+23
Space diagonal	141517020.70683

Equilateral Triangle

Length = n

Perimeter	245114670
Area	2.8906581524947E+15
Altitude	70758510.353413

Triangular Pyramid

Length = n

Surface area	2.8906581524947E+15
Volume	6.4280300845795E+22
Height	38516054.516734