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

81128077 (number)

81128077 is an odd 8-digits prime number following 81128076 and preceding 81128078. In scientific notation, it is written as 8.1128077 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 81128076 positive integers (up to 81128077) that are relatively prime to 81128077.

Interesting facts

81128077 has 2 divisors, whose sum is 81128078
The reverse of 81128077 is 77082118
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	eighty-one million one hundred twenty-eight thousand seventy-seven

Notation

Scientific notation	8.1128077 × 10^7
Engineering notation	8.1128077 × 10^6

Prime Factorization of 81128077

Prime Factorization 81128077

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81128077	Product of the distinct prime numbers

The prime factorization of 81128077 is 81128077. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 10, 45, 74, 427, 550, 4688, 8889, 10224, 47563, 656801, 855940, 4328951, 1235196, 85947495, 9952981, 202284519, 601917195, 8986078227, 9658777832

Basic calculations (n = 81128077)

Multiplication

n×y

n×2	162256154
n×3	243384231
n×4	324512308
n×5	405640385

Division

n÷y

n÷2	40564038.5
n÷3	27042692.333333
n÷3	20282019.25
n÷5	16225615.4

Exponentiation

n^y

n²	6581764877717929
n³	5.339659277954E+23
n⁴	4.3319628905561E+31
n⁵	3.5144381894618E+39

Nth Root

^y√n

²√n	9007.1125784016
³√n	432.90279914725
⁴√n	94.905808981335
⁵√n	38.179851632067

Divisors of 81128077

1, 81128077

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81128078	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40564039	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9007.1126339133	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999753476	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81128077 can be divided by 2 positive divisors. The sum of these divisors (counting 81128077) is 81128078, the average is 40564039.

Base conversion 81128077

Base	System	Value
2	Binary	100110101011110101010001101
3	Ternary	12122122201210121
4	Quaternary	10311132222031
5	Quinary	131232044302
6	Senary	12014504541
8	Octal	465365215
10	Decimal	81128077
12	Duodecimal	23205151
16	Hexadecimal	4d5ea8d
20	Vigesimal	157103h
36	Base36	1cautp

Cryptographic Hash Functions

md5	1728bc2b0aabfaf24948d5320c88009a
sha1	b0ee7ab900756713a1ba16729632f1640f003d39
sha256	c86155a305b44b57596df8a05bee2ad2596c44854c69af5d5a95382513d341f6
sha512	19d131967221a3cffa5d8d72546c635e0f54834b69cf7fa293607a2525055c177abc61a3a381db4be798012689413954b9f21325e80e4068f130c29fe1e56403
ripemd-160	27e0af509f0f7717a3254d8e08123950741c0c66

81128077 as geometric shapes

Circle

Radius = n

Diameter	162256154
Circumference	509742741.40613
Area	2.0677224187494E+16

Sphere

Radius = n

Volume	2.236671248039E+24
Surface area	8.2708896749976E+16
Circumference	509742741.40613

Square

Length = n

Perimeter	324512308
Area	6581764877717929
Diagonal	114732426.78265

Cube

Length = n

Surface area	39490589266307574
Volume	5.339659277954E+23
Space diagonal	140517951.28436

Equilateral Triangle

Length = n

Perimeter	243384231
Area	2.84998779292E+15
Altitude	70258975.64218

Triangular Pyramid

Length = n

Surface area	2.84998779292E+15
Volume	6.2928488077782E+22
Height	38244142.260883