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

81684013 (number)

81684013 is an odd 8-digits composite number following 81684012 and preceding 81684014. In scientific notation, it is written as 8.1684013 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 79537920 positive integers (up to 81684013) that are relatively prime to 81684013.

Interesting facts

81684013 has 8 divisors, whose sum is 83837880
The reverse of 81684013 is 31048618
Previous prime number is 3229

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million six hundred eighty-four thousand thirteen

Notation

Scientific notation	8.1684013 × 10^7
Engineering notation	8.1684013 × 10^6

Prime Factorization of 81684013

Prime Factorization 41 × 3229 × 617

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81684013	Product of the distinct prime numbers

The prime factorization of 81684013 is 41 × 3229 × 617. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 67, 34, 729, 280, 689, 9679, 7300, 33231, 34577, 274473, 2513523, 8285423, 90388180, 84459917, 247111825, 882662368, 2697616709, 59752010

Basic calculations (n = 81684013)

Multiplication

n×y

n×2	163368026
n×3	245052039
n×4	326736052
n×5	408420065

Division

n÷y

n÷2	40842006.5
n÷3	27228004.333333
n÷3	20421003.25
n÷5	16336802.6

Exponentiation

n^y

n²	6672277979784169
n³	5.450184412403E+23
n⁴	4.4519293439513E+31
n⁵	3.636514544064E+39

Nth Root

^y√n

²√n	9037.9208339086
³√n	433.889381578
⁴√n	95.067980066417
⁵√n	38.232034829281

Divisors of 81684013

1, 41, 617, 3229, 25297, 132389, 1992293, 81684013

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	-81684012	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 81684013 can be divided by 8 positive divisors. The sum of these divisors (counting 81684013) is 1, the average is 0.125.

Base conversion 81684013

Base	System	Value
2	Binary	100110111100110011000101101
3	Ternary	12200200222101211
4	Quaternary	10313212120231
5	Quinary	131402342023
6	Senary	12034434421
8	Octal	467463055
10	Decimal	81684013
12	Duodecimal	23432a11
16	Hexadecimal	4de662d
20	Vigesimal	15aaa0d
36	Base36	1cmrsd

Cryptographic Hash Functions

md5	b01eb59602fa5c876a01637f9cc835b5
sha1	60e323a35bf8bb5180c2fc4446d5992ccc84bc6b
sha256	e5da54f218c05243c8ebb68389718e29e4fdbe349a96db77fa190f826655ef85
sha512	9933867c3d4c0eeb84ab41f816a3fb8453f84b3cbc1edadc47a230353e9d72c0f1a303afc897690bc349d9ce960deb39c042cb8979f048820885e8e3b37bee38
ripemd-160	dc9ca25b75b7b499c0aa55de30cc5cb78d4bbb74

81684013 as geometric shapes

Circle

Radius = n

Diameter	163368026
Circumference	513235790.31307
Area	2.0961579483999E+16

Sphere

Radius = n

Volume	2.2829679080953E+24
Surface area	8.3846317935996E+16
Circumference	513235790.31307

Square

Length = n

Perimeter	326736052
Area	6672277979784169
Diagonal	115518639.01366

Cube

Length = n

Surface area	40033667878705014
Volume	5.450184412403E+23
Space diagonal	141480860.68212

Equilateral Triangle

Length = n

Perimeter	245052039
Area	2.8891811158023E+15
Altitude	70740430.341058

Triangular Pyramid

Length = n

Surface area	2.8891811158023E+15
Volume	6.423103927879E+22
Height	38506213.004553