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

81662401 (number)

81662401 is an odd 8-digits composite number following 81662400 and preceding 81662402. In scientific notation, it is written as 8.1662401 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 78566160 positive integers (up to 81662401) that are relatively prime to 81662401.

Interesting facts

81662401 has 8 divisors, whose sum is 84789504
The reverse of 81662401 is 10426618
Previous prime number is 173

Basic properties

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

Name

Name	eighty-one million six hundred sixty-two thousand four hundred one

Notation

Scientific notation	8.1662401 × 10^7
Engineering notation	8.1662401 × 10^6

Prime Factorization of 81662401

Prime Factorization 31 × 173 × 15227

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81662401	Product of the distinct prime numbers

The prime factorization of 81662401 is 31 × 173 × 15227. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 1, 96, 17, 851, 632, 5404, 5881, 97795, 22036, 710370, 922002, 7820433, 9657714, 70121123, 26002790, 701144883, 480648791, 8366234093, 3920869653

Basic calculations (n = 81662401)

Multiplication

n×y

n×2	163324802
n×3	244987203
n×4	326649604
n×5	408312005

Division

n÷y

n÷2	40831200.5
n÷3	27220800.333333
n÷3	20415600.25
n÷5	16332480.2

Exponentiation

n^y

n²	6668747737084801
n³	5.4458595187366E+23
n⁴	4.4472196380874E+31
n⁵	3.6317063342057E+39

Nth Root

^y√n

²√n	9036.7251258407
³√n	433.85111197418
⁴√n	95.061691158114
⁵√n	38.23001152468

Divisors of 81662401

1, 31, 173, 5363, 15227, 472037, 2634271, 81662401

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	-81662400	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 81662401 can be divided by 8 positive divisors. The sum of these divisors (counting 81662401) is 1, the average is 0.125.

Base conversion 81662401

Base	System	Value
2	Binary	100110111100001000111000001
3	Ternary	12200122212202101
4	Quaternary	10313201013001
5	Quinary	131401144101
6	Senary	12034150401
8	Octal	467410701
10	Decimal	81662401
12	Duodecimal	23422401
16	Hexadecimal	4de11c1
20	Vigesimal	15a7g01
36	Base36	1cmb41

Cryptographic Hash Functions

md5	890d19fdf0f081438c619d1c873b5611
sha1	c1b7d08f53e9e788fb4f83753e2ef623bab77dd0
sha256	96f672d0f3df810d79af33b59ab56d06fc613c12b21ced6f456512aa3e64e960
sha512	d7a389a84a7dea568a17322258163f0246316380db9256b226c33339b1c3237676d02a7e02a207061d01b4fd9a5bb23adee70d80a48641566a4c823e8ebfac1a
ripemd-160	7ee603c5341f9868dbc1801febbad4a11f60e43c

81662401 as geometric shapes

Circle

Radius = n

Diameter	163324802
Circumference	513099998.11221
Area	2.0950488899469E+16

Sphere

Radius = n

Volume	2.2811563008727E+24
Surface area	8.3801955597877E+16
Circumference	513099998.11221

Square

Length = n

Perimeter	326649604
Area	6668747737084801
Diagonal	115488075.03015

Cube

Length = n

Surface area	40012486422508806
Volume	5.4458595187366E+23
Space diagonal	141443427.60006

Equilateral Triangle

Length = n

Perimeter	244987203
Area	2.8876524758727E+15
Altitude	70721713.800032

Triangular Pyramid

Length = n

Surface area	2.8876524758727E+15
Volume	6.4180069918133E+22
Height	38496025.01005