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

81684807 (number)

81684807 is an odd 8-digits composite number following 81684806 and preceding 81684808. In scientific notation, it is written as 8.1684807 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 54259392 positive integers (up to 81684807) that are relatively prime to 81684807.

Interesting facts

81684807 has 8 divisors, whose sum is 109307376
The reverse of 81684807 is 70848618
Previous prime number is 277

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	8.1684807 × 10^7
Engineering notation	8.1684807 × 10^6

Prime Factorization of 81684807

Prime Factorization 3 × 277 × 98297

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81684807	Product of the distinct prime numbers

The prime factorization of 81684807 is 3 × 277 × 98297. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 38, 85, 36, 863, 7154, 1121, 92412, 29895, 448309, 655182, 7148199, 5594189, 51986980, 42396679, 325807227, 62666659, 4059628586, 2775733176

Basic calculations (n = 81684807)

Multiplication

n×y

n×2	163369614
n×3	245054421
n×4	326739228
n×5	408424035

Division

n÷y

n÷2	40842403.5
n÷3	27228269
n÷3	20421201.75
n÷5	16336961.4

Exponentiation

n^y

n²	6672407694627249
n³	5.4503433476094E+23
n⁴	4.4521024443321E+31
n⁵	3.636691289095E+39

Nth Root

^y√n

²√n	9037.9647598339
³√n	433.89078743062
⁴√n	95.068211089901
⁵√n	38.232109155007

Divisors of 81684807

1, 3, 277, 831, 98297, 294891, 27228269, 81684807

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	-81684806	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 81684807 can be divided by 8 positive divisors. The sum of these divisors (counting 81684807) is 1, the average is 0.125.

Base conversion 81684807

Base	System	Value
2	Binary	100110111100110100101000111
3	Ternary	12200201000111020
4	Quaternary	10313212211013
5	Quinary	131402403212
6	Senary	12034442223
8	Octal	467464507
10	Decimal	81684807
12	Duodecimal	23433373
16	Hexadecimal	4de6947
20	Vigesimal	15aac07
36	Base36	1cmsef

Cryptographic Hash Functions

md5	1bd3851b1cc70dbf95fca355a2e6f972
sha1	b3281dca87bba2fdcf553c68a11685e0e023b1b2
sha256	0eba1fedf9bcbe17f27b169dbbb886051edea24d8db431efcb4a4604182e9688
sha512	f061a1d13e4e9fd6253b82471eb0591a56df919f2dd1d54205b3e478255a2c7348ce237452a2d1d2bf2bcd17ee1cefda7b5dd36f948bfdacfe58c500fef87897
ripemd-160	a496a31c95fee508ab099087eed77b969ca1a66d

81684807 as geometric shapes

Circle

Radius = n

Diameter	163369614
Circumference	513240779.1622
Area	2.0961986995197E+16

Sphere

Radius = n

Volume	2.2830344827189E+24
Surface area	8.3847947980788E+16
Circumference	513240779.1622

Square

Length = n

Perimeter	326739228
Area	6672407694627249
Diagonal	115519761.89923

Cube

Length = n

Surface area	40034446167763494
Volume	5.4503433476094E+23
Space diagonal	141482235.93046

Equilateral Triangle

Length = n

Perimeter	245054421
Area	2.889237283977E+15
Altitude	70741117.965229

Triangular Pyramid

Length = n

Surface area	2.889237283977E+15
Volume	6.423291234816E+22
Height	38506587.299743