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

81663670 (number)

81663670 is an even 8-digits composite number following 81663669 and preceding 81663671. In scientific notation, it is written as 8.1663670 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 29190240 positive integers (up to 81663670) that are relatively prime to 81663670.

Interesting facts

81663670 has 16 divisors, whose sum is 126846720
The reverse of 81663670 is 07636618
Previous prime number is 59

Basic properties

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

Name

Name	eighty-one million six hundred sixty-three thousand six hundred seventy

Notation

Scientific notation	8.1663670 × 10^7
Engineering notation	8.1663670 × 10^6

Prime Factorization of 81663670

Prime Factorization 2 × 55 × 59 × 12583

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	81663670	Product of the distinct prime numbers

The prime factorization of 81663670 is 2 × 55 × 59 × 12583. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 62, 96, 742, 225, 5150, 538, 50318, 46043, 428144, 528909, 7866498, 5107049, 68947572, 54534131, 773356447, 396042881, 6944067690, 3911701250

Basic calculations (n = 81663670)

Multiplication

n×y

n×2	163327340
n×3	244991010
n×4	326654680
n×5	408318350

Division

n÷y

n÷2	40831835
n÷3	27221223.333333
n÷3	20415917.5
n÷5	16332734

Exponentiation

n^y

n²	6668954997868900
n³	5.4461134019082E+23
n⁴	4.4474960763601E+31
n⁵	3.6319885190616E+39

Nth Root

^y√n

²√n	9036.7953390569
³√n	433.8533592516
⁴√n	95.062060460821
⁵√n	38.230130339661

Divisors of 81663670

1, 2, 55, 59, 110, 118, 3245, 6490, 12583, 25166, 692065, 742397, 1384130, 1484794, 40831835, 81663670

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	-81663669	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 81663670 can be divided by 16 positive divisors. The sum of these divisors (counting 81663670) is 1, the average is 0.0625.

Base conversion 81663670

Base	System	Value
2	Binary	100110111100001011010110110
3	Ternary	12200122221111101
4	Quaternary	10313201122312
5	Quinary	131401214140
6	Senary	12034200314
8	Octal	467413266
10	Decimal	81663670
12	Duodecimal	2342309a
16	Hexadecimal	4de16b6
20	Vigesimal	15a7j3a
36	Base36	1cmc3a

Cryptographic Hash Functions

md5	4afeb63239e06f5102de117703e36086
sha1	9ac3674a8fdf301fd79b1514a37dcfa72732a2d6
sha256	eef7b5bd97b9042f2de9213229ad0dc1df2fcd9098834403c5a0f98fde6d4c46
sha512	d3d9f808eb6d13e652c58ed0571bc9ea8c5fa0ff7bf930081485baf0d43542af4c3ab95451cc6cb0b173bcb527a4918df7cbb89f4c86d66d447750635195d48e
ripemd-160	a35db13879495f1e4f0cc697da9478c72dcc5e66

81663670 as geometric shapes

Circle

Radius = n

Diameter	163327340
Circumference	513107971.47436
Area	2.0951140028426E+16

Sphere

Radius = n

Volume	2.2812626472069E+24
Surface area	8.3804560113703E+16
Circumference	513107971.47436

Square

Length = n

Perimeter	326654680
Area	6668954997868900
Diagonal	115489869.66716

Cube

Length = n

Surface area	40013729987213400
Volume	5.4461134019082E+23
Space diagonal	141445625.57254

Equilateral Triangle

Length = n

Perimeter	244991010
Area	2.8877422224248E+15
Altitude	70722812.786269

Triangular Pyramid

Length = n

Surface area	2.8877422224248E+15
Volume	6.4183061960003E+22
Height	38496623.222387