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

81122942 (number)

81122942 is an even 8-digits composite number following 81122941 and preceding 81122943. In scientific notation, it is written as 8.1122942 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 40561470 positive integers (up to 81122942) that are relatively prime to 81122942.

Interesting facts

81122942 has 4 divisors, whose sum is 121684416
The reverse of 81122942 is 24922118
Previous prime number is 2

Basic properties

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

Name

Name	eighty-one million one hundred twenty-two thousand nine hundred forty-two

Notation

Scientific notation	8.1122942 × 10^7
Engineering notation	8.1122942 × 10^6

Prime Factorization of 81122942

Prime Factorization 2 × 40561471

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81122942	Product of the distinct prime numbers

The prime factorization of 81122942 is 2 × 40561471. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 3, 82, 22, 267, 49, 6218, 3784, 10272, 64956, 17565, 680566, 5777408, 8914937, 42021250, 58357676, 792486824, 681756531, 4792428232, 8774027340

Basic calculations (n = 81122942)

Multiplication

n×y

n×2	162245884
n×3	243368826
n×4	324491768
n×5	405614710

Division

n÷y

n÷2	40561471
n÷3	27040980.666667
n÷3	20280735.5
n÷5	16224588.4

Exponentiation

n^y

n²	6580931718735364
n³	5.3386454212493E+23
n⁴	4.3308662286657E+31
n⁵	3.5133260987781E+39

Nth Root

^y√n

²√n	9006.8275213862
³√n	432.89366542989
⁴√n	94.904307180371
⁵√n	38.179368301242

Divisors of 81122942

1, 2, 40561471, 81122942

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	-81122941	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 81122942 can be divided by 4 positive divisors. The sum of these divisors (counting 81122942) is 1, the average is 0.25.

Base conversion 81122942

Base	System	Value
2	Binary	100110101011101011001111110
3	Ternary	12122122110202102
4	Quaternary	10311131121332
5	Quinary	131231413232
6	Senary	12014425102
8	Octal	465353176
10	Decimal	81122942
12	Duodecimal	23202192
16	Hexadecimal	4d5d67e
20	Vigesimal	1570772
36	Base36	1caqv2

Cryptographic Hash Functions

md5	3361f0525086ea7e2084be03f1a17fa4
sha1	52412056831322076142e6aaeb0d0f9e98a1e91c
sha256	43b76ddd55fd38cfa6f9a2f3140b440d9aa8fd43d83c4a093a25482d048cacca
sha512	0460fde2f818ff50904e981193294bba92f0331bf41a0110644df1e2c58dfcadd6fab9bfa389e76e8d8216ef7223833e4bc3f0af230c8b79889971305a3f979d
ripemd-160	43cd41be6a719b905a4ef3a90f5a7af9fc5edb53

81122942 as geometric shapes

Circle

Radius = n

Diameter	162245884
Circumference	509710477.24958
Area	2.0674606741355E+16

Sphere

Radius = n

Volume	2.2362465647357E+24
Surface area	8.269842696542E+16
Circumference	509710477.24958

Square

Length = n

Perimeter	324491768
Area	6580931718735364
Diagonal	114725164.79601

Cube

Length = n

Surface area	39485590312412184
Volume	5.3386454212493E+23
Space diagonal	140509057.20346

Equilateral Triangle

Length = n

Perimeter	243368826
Area	2.8496270244978E+15
Altitude	70254528.601732

Triangular Pyramid

Length = n

Surface area	2.8496270244978E+15
Volume	6.2916539661931E+22
Height	38241721.598669