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

81657013 (number)

81657013 is an odd 8-digits prime number following 81657012 and preceding 81657014. In scientific notation, it is written as 8.1657013 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 81657012 positive integers (up to 81657013) that are relatively prime to 81657013.

Interesting facts

81657013 has 2 divisors, whose sum is 81657014
The reverse of 81657013 is 31075618
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million six hundred fifty-seven thousand thirteen

Notation

Scientific notation	8.1657013 × 10^7
Engineering notation	8.1657013 × 10^6

Prime Factorization of 81657013

Prime Factorization 81657013

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81657013	Product of the distinct prime numbers

The prime factorization of 81657013 is 81657013. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 2, 35, 1, 679, 92, 5381, 5561, 87724, 17279, 708925, 95472, 5021072, 532157, 74008642, 17990553, 884004740, 246902882, 850250452, 4024998379

Basic calculations (n = 81657013)

Multiplication

n×y

n×2	163314026
n×3	244971039
n×4	326628052
n×5	408285065

Division

n÷y

n÷2	40828506.5
n÷3	27219004.333333
n÷3	20414253.25
n÷5	16331402.6

Exponentiation

n^y

n²	6667867772082169
n³	5.4447816534719E+23
n⁴	4.4460460625972E+31
n⁵	3.630508411321E+39

Nth Root

^y√n

²√n	9036.4270040763
³√n	433.84157008312
⁴√n	95.060123101521
⁵√n	38.229507036113

Divisors of 81657013

1, 81657013

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81657014	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40828507	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9036.4270594079	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999755073	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81657013 can be divided by 2 positive divisors. The sum of these divisors (counting 81657013) is 81657014, the average is 40828507.

Base conversion 81657013

Base	System	Value
2	Binary	100110111011111110010110101
3	Ternary	12200122121100211
4	Quaternary	10313133302311
5	Quinary	131401011023
6	Senary	12034105421
8	Octal	467376265
10	Decimal	81657013
12	Duodecimal	2341b271
16	Hexadecimal	4ddfcb5
20	Vigesimal	15a72ad
36	Base36	1cm6yd

Cryptographic Hash Functions

md5	973b9360cf9ce704ee9f14a396ca382a
sha1	2ed571758aa4b5def1d62e352d68c7d0b02b2066
sha256	e8b60d946fea691b045016af6f4e50071e5abce20361171183152211f1ba1b0c
sha512	6b3141870badad7e5e76c7c3dfd456e4aea11997b5d00d99bc944cc4e89c0aad82237f5e1d8afe7c06c2c80cfdb86e25ec36a7a098df7bd4bff9a99aa63dde02
ripemd-160	07edaebf92bb62f2e9ec97403fc8d10cecd5fd7e

81657013 as geometric shapes

Circle

Radius = n

Diameter	163314026
Circumference	513066144.30977
Area	2.0947724407881E+16

Sphere

Radius = n

Volume	2.2807048057264E+24
Surface area	8.3790897631526E+16
Circumference	513066144.30977

Square

Length = n

Perimeter	326628052
Area	6667867772082169
Diagonal	115480455.24748

Cube

Length = n

Surface area	40007206632493014
Volume	5.4447816534719E+23
Space diagonal	141434095.31031

Equilateral Triangle

Length = n

Perimeter	244971039
Area	2.8872714398494E+15
Altitude	70717047.655156

Triangular Pyramid

Length = n

Surface area	2.8872714398494E+15
Volume	6.4167367154169E+22
Height	38493485.082492