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

81107966 (number)

81107966 is an even 8-digits composite number following 81107965 and preceding 81107967. In scientific notation, it is written as 8.1107966 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 39245760 positive integers (up to 81107966) that are relatively prime to 81107966.

Interesting facts

81107966 has 8 divisors, whose sum is 125586624
The reverse of 81107966 is 66970118
Previous prime number is 31

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighty-one million one hundred seven thousand nine hundred sixty-six

Notation

Scientific notation	8.1107966 × 10^7
Engineering notation	8.1107966 × 10^6

Prime Factorization of 81107966

Prime Factorization 2 × 31 × 1308193

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81107966	Product of the distinct prime numbers

The prime factorization of 81107966 is 2 × 31 × 1308193. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 5, 84, 627, 469, 845, 1416, 27563, 68210, 515819, 345614, 4151595, 6725817, 19910630, 71886883, 741860202, 96185746, 5737218136, 2614569406

Basic calculations (n = 81107966)

Multiplication

n×y

n×2	162215932
n×3	243323898
n×4	324431864
n×5	405539830

Division

n÷y

n÷2	40553983
n÷3	27035988.666667
n÷3	20276991.5
n÷5	16221593.2

Exponentiation

n^y

n²	6578502148657156
n³	5.3356892860421E+23
n⁴	4.3276690519887E+31
n⁵	3.5100843432795E+39

Nth Root

^y√n

²√n	9005.9961137011
³√n	432.86702514641
⁴√n	94.899926837175
⁵√n	38.177958548509

Divisors of 81107966

1, 2, 31, 62, 1308193, 2616386, 40553983, 81107966

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	-81107965	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 81107966 can be divided by 8 positive divisors. The sum of these divisors (counting 81107966) is 1, the average is 0.125.

Base conversion 81107966

Base	System	Value
2	Binary	100110101011001101111111110
3	Ternary	12122121201012202
4	Quaternary	10311121233332
5	Quinary	131230423331
6	Senary	12014231502
8	Octal	465315776
10	Decimal	81107966
12	Duodecimal	231b5592
16	Hexadecimal	4d59bfe
20	Vigesimal	156i9i6
36	Base36	1cafb2

Cryptographic Hash Functions

md5	9c2876b74aec10a3b5f37b4f1728a7fc
sha1	69fd1bbd1fbd4fcbd525f368f4c894b33ee9b2dd
sha256	5bfe956667885bc8428f53893db563bb5a22b225b23ab2a1fd18c5bb3eadf711
sha512	e8f3818e20cb772c434ba59384ccf81779edb8c6ffc99b8fafb0df90637cd68b46ed768c2c24594c0b48506cc6dd0f12e325a22ff8e3f1316da65ea46208be45
ripemd-160	ba678a0fbda45c9fc5a570326bc5ac53a4e85809

81107966 as geometric shapes

Circle

Radius = n

Diameter	162215932
Circumference	509616380.26642
Area	2.0666974021846E+16

Sphere

Radius = n

Volume	2.2350083017157E+24
Surface area	8.2667896087384E+16
Circumference	509616380.26642

Square

Length = n

Perimeter	324431864
Area	6578502148657156
Diagonal	114703985.5337

Cube

Length = n

Surface area	39471012891942936
Volume	5.3356892860421E+23
Space diagonal	140483118.01057

Equilateral Triangle

Length = n

Perimeter	243323898
Area	2.8485749897938E+15
Altitude	70241559.005285

Triangular Pyramid

Length = n

Surface area	2.8485749897938E+15
Volume	6.2881701274413E+22
Height	38234661.844565