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

81994966 (number)

81994966 is an even 8-digits composite number following 81994965 and preceding 81994967. In scientific notation, it is written as 8.1994966 × 10^7. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 40844808 positive integers (up to 81994966) that are relatively prime to 81994966.

Interesting facts

81994966 has 8 divisors, whose sum is 123450480
The reverse of 81994966 is 66949918
Previous prime number is 269

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7

Name

Name	eighty-one million nine hundred ninety-four thousand nine hundred sixty-six

Notation

Scientific notation	8.1994966 × 10^7
Engineering notation	8.1994966 × 10^6

Prime Factorization of 81994966

Prime Factorization 2 × 269 × 152407

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81994966	Product of the distinct prime numbers

The prime factorization of 81994966 is 2 × 269 × 152407. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 3, 46, 59, 629, 399, 911, 7806, 65878, 99666, 627049, 39204, 7426431, 5223918, 43575873, 76712456, 278380621, 800391522, 8387532277, 6323672411

Basic calculations (n = 81994966)

Multiplication

n×y

n×2	163989932
n×3	245984898
n×4	327979864
n×5	409974830

Division

n÷y

n÷2	40997483
n÷3	27331655.333333
n÷3	20498741.5
n÷5	16398993.2

Exponentiation

n^y

n²	6723174449341156
n³	5.512664603858E+23
n⁴	4.5201074676274E+31
n⁵	3.7062605812445E+39

Nth Root

^y√n

²√n	9055.1071777202
³√n	434.43925810233
⁴√n	95.15832689639
⁵√n	38.261098789717

Divisors of 81994966

1, 2, 269, 538, 152407, 304814, 40997483, 81994966

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	-81994965	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 81994966 can be divided by 8 positive divisors. The sum of these divisors (counting 81994966) is 1, the average is 0.125.

Base conversion 81994966

Base	System	Value
2	Binary	100111000110010010011010110
3	Ternary	12201021202221121
4	Quaternary	10320302103112
5	Quinary	131442314331
6	Senary	12045234154
8	Octal	470622326
10	Decimal	81994966
12	Duodecimal	2356295a
16	Hexadecimal	4e324d6
20	Vigesimal	15c9786
36	Base36	1ctfpy

Cryptographic Hash Functions

md5	cdccec48e52583add751e04ed03a91ea
sha1	cc0a5153444895dccc7081e876772a506df1badb
sha256	5c807b9babf0c6b45d9711172245598d669ad3fda7725b36bb870dfebd7e4cec
sha512	41b0d2c96649e08b40033d7b1c2527f830fd514add8293d06a5e76657acde6ae3a979797066df7d2ba0eb0427d556226552670ca143d27faf19584f8a5805a7d
ripemd-160	1af02931b235eedd1e2d64c5d41dcfb2f2120480

81994966 as geometric shapes

Circle

Radius = n

Diameter	163989932
Circumference	515189565.63389
Area	2.1121475458853E+16

Sphere

Radius = n

Volume	2.3091395494913E+24
Surface area	8.4485901835411E+16
Circumference	515189565.63389

Square

Length = n

Perimeter	327979864
Area	6723174449341156
Diagonal	115958392.96352

Cube

Length = n

Surface area	40339046696046936
Volume	5.512664603858E+23
Space diagonal	142019447.07688

Equilateral Triangle

Length = n

Perimeter	245984898
Area	2.9112199336019E+15
Altitude	71009723.538441

Triangular Pyramid

Length = n

Surface area	2.9112199336019E+15
Volume	6.4967375396584E+22
Height	38652797.654507