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

81293321 (number)

81293321 is an odd 8-digits composite number following 81293320 and preceding 81293322. In scientific notation, it is written as 8.1293321 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 81206532 positive integers (up to 81293321) that are relatively prime to 81293321.

Interesting facts

81293321 has 4 divisors, whose sum is 81380112
The reverse of 81293321 is 12339218
Previous prime number is 947

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	eighty-one million two hundred ninety-three thousand three hundred twenty-one

Notation

Scientific notation	8.1293321 × 10^7
Engineering notation	8.1293321 × 10^6

Prime Factorization of 81293321

Prime Factorization 947 × 85843

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81293321	Product of the distinct prime numbers

The prime factorization of 81293321 is 947 × 85843. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 62, 99, 846, 523, 8137, 2649, 46552, 49167, 966030, 946655, 4658618, 6729396, 96858148, 86504442, 495741716, 568973793, 2852284810, 5203457137

Basic calculations (n = 81293321)

Multiplication

n×y

n×2	162586642
n×3	243879963
n×4	325173284
n×5	406466605

Division

n÷y

n÷2	40646660.5
n÷3	27097773.666667
n÷3	20323330.25
n÷5	16258664.2

Exponentiation

n^y

n²	6608604039209041
n³	5.3723536952132E+23
n⁴	4.367364734705E+31
n⁵	3.5503758330245E+39

Nth Root

^y√n

²√n	9016.2808851544
³√n	433.19651611005
⁴√n	94.954098832827
⁵√n	38.195392139805

Divisors of 81293321

1, 947, 85843, 81293321

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81293320	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81293321 can be divided by 4 positive divisors. The sum of these divisors (counting 81293321) is 1, the average is 0.25.

Base conversion 81293321

Base	System	Value
2	Binary	100110110000111000000001001
3	Ternary	12122222010110202
4	Quaternary	10312013000021
5	Quinary	131302341241
6	Senary	12022221545
8	Octal	466070011
10	Decimal	81293321
12	Duodecimal	232848b5
16	Hexadecimal	4d87009
20	Vigesimal	1581d61
36	Base36	1ceebt

Cryptographic Hash Functions

md5	ff5abdec5acafd51e667728313ee97a5
sha1	1341489267d2e43eded4431f5dbad6aa169fc5e8
sha256	5135c58f55ae2cad96c2cd7b7048823c47d3c28503ada668a7fcfc5fcb86d87b
sha512	295dbac7440af74d9fa949b51273795f0d6fd15e2a58cf121cd13308cb5f4afa1f3aeb3084c7a08ce0b192d7bb39dc587573124a1387b2c15babd8e0e863fc09
ripemd-160	c10a062c568a3742d0c52771f50573320443ff82

81293321 as geometric shapes

Circle

Radius = n

Diameter	162586642
Circumference	510781000.07903
Area	2.0761541900063E+16

Sphere

Radius = n

Volume	2.2503662535157E+24
Surface area	8.3046167600252E+16
Circumference	510781000.07903

Square

Length = n

Perimeter	325173284
Area	6608604039209041
Diagonal	114966117.08855

Cube

Length = n

Surface area	39651624235254246
Volume	5.3723536952132E+23
Space diagonal	140804162.28801

Equilateral Triangle

Length = n

Perimeter	243879963
Area	2.8616094907537E+15
Altitude	70402081.144003

Triangular Pyramid

Length = n

Surface area	2.8616094907537E+15
Volume	6.3313795480297E+22
Height	38322039.029517