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

81220123 (number)

81220123 is an odd 8-digits composite number following 81220122 and preceding 81220124. In scientific notation, it is written as 8.1220123 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 81198360 positive integers (up to 81220123) that are relatively prime to 81220123.

Interesting facts

81220123 has 4 divisors, whose sum is 81241888
The reverse of 81220123 is 32102218
Previous prime number is 4783

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

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

Notation

Scientific notation	8.1220123 × 10^7
Engineering notation	8.1220123 × 10^6

Prime Factorization of 81220123

Prime Factorization 4783 × 16981

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81220123	Product of the distinct prime numbers

The prime factorization of 81220123 is 4783 × 16981. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 2, 31, 96, 363, 544, 4632, 186, 52107, 31939, 778617, 70455, 8467533, 3265409, 1642103, 3962403, 952956975, 618149149, 2037567875, 5960476617

Basic calculations (n = 81220123)

Multiplication

n×y

n×2	162440246
n×3	243660369
n×4	324880492
n×5	406100615

Division

n÷y

n÷2	40610061.5
n÷3	27073374.333333
n÷3	20305030.75
n÷5	16244024.6

Exponentiation

n^y

n²	6596708380135129
n³	5.3578546602971E+23
n⁴	4.3516561452545E+31
n⁵	3.5344204737128E+39

Nth Root

^y√n

²√n	9012.2207585034
³√n	433.06645769887
⁴√n	94.932717007907
⁵√n	38.188511294517

Divisors of 81220123

1, 4783, 16981, 81220123

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	-81220122	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 81220123 can be divided by 4 positive divisors. The sum of these divisors (counting 81220123) is 1, the average is 0.25.

Base conversion 81220123

Base	System	Value
2	Binary	100110101110101001000011011
3	Ternary	12122211102001201
4	Quaternary	10311311020123
5	Quinary	131243020443
6	Senary	12020455031
8	Octal	465651033
10	Decimal	81220123
12	Duodecimal	2324a477
16	Hexadecimal	4d7521b
20	Vigesimal	157ca63
36	Base36	1cctuj

Cryptographic Hash Functions

md5	754e8227897a03701c7681725063cf19
sha1	bd84f9fe92206a1635e3bf2c2b8ea3935538a985
sha256	d8cc671f88661bd6a4f662922a5e7342258094de0d60a7781546a5184a2fa36d
sha512	515f1e17b536e3798e55a268aa2752560d184a1f90c8ea69460c300418474731b3c72afbd52bb454389f23bd7ccdd385f57e12845f7737c6d1c4e78f841ded38
ripemd-160	39fdbea3ec47bd2a48bcf56f44189782bad64997

81220123 as geometric shapes

Circle

Radius = n

Diameter	162440246
Circumference	510321083.48092
Area	2.0724170584907E+16

Sphere

Radius = n

Volume	2.2442929119721E+24
Surface area	8.2896682339627E+16
Circumference	510321083.48092

Square

Length = n

Perimeter	324880492
Area	6596708380135129
Diagonal	114862599.48421

Cube

Length = n

Surface area	39580250280810774
Volume	5.3578546602971E+23
Space diagonal	140677379.63299

Equilateral Triangle

Length = n

Perimeter	243660369
Area	2.8564585192774E+15
Altitude	70338689.816497

Triangular Pyramid

Length = n

Surface area	2.8564585192774E+15
Volume	6.3142922715133E+22
Height	38287533.161404