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

81490123 (number)

81490123 is an odd 8-digits composite number following 81490122 and preceding 81490124. In scientific notation, it is written as 8.1490123 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 68383200 positive integers (up to 81490123) that are relatively prime to 81490123.

Interesting facts

81490123 has 8 divisors, whose sum is 95736816
The reverse of 81490123 is 32109418
Previous prime number is 13

Basic properties

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

Name

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

Notation

Scientific notation	8.1490123 × 10^7
Engineering notation	8.1490123 × 10^6

Prime Factorization of 81490123

Prime Factorization 11 × 13 × 569861

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81490123	Product of the distinct prime numbers

The prime factorization of 81490123 is 11 × 13 × 569861. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 75, 59, 341, 192, 2840, 8817, 16381, 61449, 248643, 176643, 1234650, 727500, 8022797, 33067544, 755473511, 931138153, 3649923956, 7643251832

Basic calculations (n = 81490123)

Multiplication

n×y

n×2	162980246
n×3	244470369
n×4	325960492
n×5	407450615

Division

n÷y

n÷2	40745061.5
n÷3	27163374.333333
n÷3	20372530.75
n÷5	16298024.6

Exponentiation

n^y

n²	6640640146555129
n³	5.4114658234152E+23
n⁴	4.409810155604E+31
n⁵	3.5935597198682E+39

Nth Root

^y√n

²√n	9027.1879896233
³√n	433.54580776713
⁴√n	95.011515036986
⁵√n	38.213867608564

Divisors of 81490123

1, 11, 13, 143, 569861, 6268471, 7408193, 81490123

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81490122	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81490123 can be divided by 8 positive divisors. The sum of these divisors (counting 81490123) is 1, the average is 0.125.

Base conversion 81490123

Base	System	Value
2	Binary	100110110110111000011001011
3	Ternary	12200100010102201
4	Quaternary	10312313003023
5	Quinary	131330140443
6	Senary	12030341031
8	Octal	466670313
10	Decimal	81490123
12	Duodecimal	2335a777
16	Hexadecimal	4db70cb
20	Vigesimal	1596563
36	Base36	1cim6j

Cryptographic Hash Functions

md5	30d7df6b6d080109cfe21fcd7fd0069e
sha1	e1018718dff4cf0f7eed6f34ad8143b1e7085e08
sha256	2dec8e3764ec947652f88530c63e95b175b642a370db2e282a2f6b6d7125d235
sha512	7e6bffdc51509044a62d63f13dc517b81f6d8a58f63dcf239dd1c702410629343a2ea8d20d6686840b16678639a5ab922d8fde8d62539835788b262b14244ab6
ripemd-160	a0b50b9f73378b2f61aa9d86b5e612ed4b091060

81490123 as geometric shapes

Circle

Radius = n

Diameter	162980246
Circumference	512017543.51386
Area	2.0862186299551E+16

Sphere

Radius = n

Volume	2.2667495034658E+24
Surface area	8.3448745198204E+16
Circumference	512017543.51386

Square

Length = n

Perimeter	325960492
Area	6640640146555129
Diagonal	115244437.14605

Cube

Length = n

Surface area	39843840879330774
Volume	5.4114658234152E+23
Space diagonal	141145033.35104

Equilateral Triangle

Length = n

Perimeter	244470369
Area	2.8754815321538E+15
Altitude	70572516.675519

Triangular Pyramid

Length = n

Surface area	2.8754815321538E+15
Volume	6.3774736331602E+22
Height	38414812.382017