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

81244243 (number)

81244243 is an odd 8-digits composite number following 81244242 and preceding 81244244. In scientific notation, it is written as 8.1244243 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 79354800 positive integers (up to 81244243) that are relatively prime to 81244243.

Interesting facts

81244243 has 4 divisors, whose sum is 83133688
The reverse of 81244243 is 34244218
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	eighty-one million two hundred forty-four thousand two hundred forty-three

Notation

Scientific notation	8.1244243 × 10^7
Engineering notation	8.1244243 × 10^6

Prime Factorization of 81244243

Prime Factorization 43 × 1889401

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81244243	Product of the distinct prime numbers

The prime factorization of 81244243 is 43 × 1889401. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 3, 88, 63, 565, 705, 6477, 2862, 28313, 16245, 735929, 601086, 8913862, 7469124, 44057406, 61091046, 212164944, 596570626, 8179633778, 4733346736

Basic calculations (n = 81244243)

Multiplication

n×y

n×2	162488486
n×3	243732729
n×4	324976972
n×5	406221215

Division

n÷y

n÷2	40622121.5
n÷3	27081414.333333
n÷3	20311060.75
n÷5	16248848.6

Exponentiation

n^y

n²	6600627020643049
n³	5.3626294561749E+23
n⁴	4.3568277065643E+31
n⁵	3.5396716890124E+39

Nth Root

^y√n

²√n	9013.5588421001
³√n	433.10932281134
⁴√n	94.939764282939
⁵√n	38.190779199222

Divisors of 81244243

1, 43, 1889401, 81244243

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	-81244242	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 81244243 can be divided by 4 positive divisors. The sum of these divisors (counting 81244243) is 1, the average is 0.25.

Base conversion 81244243

Base	System	Value
2	Binary	100110101111011000001010011
3	Ternary	12122212122011001
4	Quaternary	10311323001103
5	Quinary	131244303433
6	Senary	12021202431
8	Octal	465730123
10	Decimal	81244243
12	Duodecimal	23260417
16	Hexadecimal	4d7b053
20	Vigesimal	157fac3
36	Base36	1cdcgj

Cryptographic Hash Functions

md5	4173e92f33c14697b17e6f91526ba6f0
sha1	77caa65f59b1f64ce0b76fba75f590d5d899da8f
sha256	c2935155580e174fb83837370a61bd7bb3ba6c29dc6addc57c41923da2e2ee0c
sha512	e04154a79e741df19de855b0b73786ae2310ba8e822788da2c056ded56ba8caabab687befd9dbcce8e0797d9012cb5c459a6fab678d245000a2b1ec904fbf35c
ripemd-160	52eb98e654d5dc1b4977a5142f7d784617e7a4de

81244243 as geometric shapes

Circle

Radius = n

Diameter	162488486
Circumference	510472633.91053
Area	2.0736481357138E+16

Sphere

Radius = n

Volume	2.2462929737924E+24
Surface area	8.2945925428554E+16
Circumference	510472633.91053

Square

Length = n

Perimeter	324976972
Area	6600627020643049
Diagonal	114896710.31534

Cube

Length = n

Surface area	39603762123858294
Volume	5.3626294561749E+23
Space diagonal	140719156.69847

Equilateral Triangle

Length = n

Perimeter	243732729
Area	2.8581553403914E+15
Altitude	70359578.349236

Triangular Pyramid

Length = n

Surface area	2.8581553403914E+15
Volume	6.31991942242E+22
Height	38298903.438445