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

82156721 (number)

82156721 is an odd 8-digits prime number following 82156720 and preceding 82156722. In scientific notation, it is written as 8.2156721 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 82156720 positive integers (up to 82156721) that are relatively prime to 82156721.

Interesting facts

82156721 has 2 divisors, whose sum is 82156722
The reverse of 82156721 is 12765128
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	eighty-two million one hundred fifty-six thousand seven hundred twenty-one

Notation

Scientific notation	8.2156721 × 10^7
Engineering notation	8.2156721 × 10^6

Prime Factorization of 82156721

Prime Factorization 82156721

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	82156721	Product of the distinct prime numbers

The prime factorization of 82156721 is 82156721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 1, 99, 73, 228, 411, 6953, 2293, 6431, 22520, 475794, 759998, 6592735, 3123941, 30630799, 89527293, 926354101, 206602553, 174840195, 9206524610

Basic calculations (n = 82156721)

Multiplication

n×y

n×2	164313442
n×3	246470163
n×4	328626884
n×5	410783605

Division

n÷y

n÷2	41078360.5
n÷3	27385573.666667
n÷3	20539180.25
n÷5	16431344.2

Exponentiation

n^y

n²	6749726805471841
n³	5.5453542198337E+23
n⁴	4.5558811948505E+31
n⁵	3.7429626023448E+39

Nth Root

^y√n

²√n	9064.0344769865
³√n	434.72474946109
⁴√n	95.205222950143
⁵√n	38.276182755102

Divisors of 82156721

1, 82156721

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	82156722	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	41078361	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9064.0345321496	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999756563	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 82156721 can be divided by 2 positive divisors. The sum of these divisors (counting 82156721) is 82156722, the average is 41078361.

Base conversion 82156721

Base	System	Value
2	Binary	100111001011001110010110001
3	Ternary	12201120222211112
4	Quaternary	10321121302301
5	Quinary	132013003341
6	Senary	12052523105
8	Octal	471316261
10	Decimal	82156721
12	Duodecimal	23620495
16	Hexadecimal	4e59cb1
20	Vigesimal	15d9bg1
36	Base36	1cwwj5

Cryptographic Hash Functions

md5	22b9939a43ccf3b4d2e02f5ceb8dbb6f
sha1	0c2adb23e59c786dcada5d2ddb780ef6d3b74697
sha256	4938cd25a0a3b07d97f4d37671e1eae27ca2daf4f2b6e508d78c69553ec19cde
sha512	41742a91b6424740b7b0ac963e4b097107230e5c33c73e8213107a06eac3b0c7c83df149dd4e9b3e8180cdefb9f3dc5f930c67bd84d6fa95d68cdbd64c10be6b
ripemd-160	e0af6d041217b81afcf0b5740c2ceb8f9a977d0d

82156721 as geometric shapes

Circle

Radius = n

Diameter	164313442
Circumference	516205902.27325
Area	2.1204892145808E+16

Sphere

Radius = n

Volume	2.322832543811E+24
Surface area	8.4819568583234E+16
Circumference	516205902.27325

Square

Length = n

Perimeter	328626884
Area	6749726805471841
Diagonal	116187149.0783

Cube

Length = n

Surface area	40498360832831046
Volume	5.5453542198337E+23
Space diagonal	142299614.95526

Equilateral Triangle

Length = n

Perimeter	246470163
Area	2.9227174410717E+15
Altitude	71149807.47763

Triangular Pyramid

Length = n

Surface area	2.9227174410717E+15
Volume	6.5352626215431E+22
Height	38729049.692767