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

81490247 (number)

81490247 is an odd 8-digits composite number following 81490246 and preceding 81490248. In scientific notation, it is written as 8.1490247 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 79387840 positive integers (up to 81490247) that are relatively prime to 81490247.

Interesting facts

81490247 has 8 divisors, whose sum is 83598480
The reverse of 81490247 is 74209418
Previous prime number is 1163

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	eighty-one million four hundred ninety thousand two hundred forty-seven

Notation

Scientific notation	8.1490247 × 10^7
Engineering notation	8.1490247 × 10^6

Prime Factorization of 81490247

Prime Factorization 41 × 1163 × 1709

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81490247	Product of the distinct prime numbers

The prime factorization of 81490247 is 41 × 1163 × 1709. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 56, 81, 807, 650, 5478, 2836, 89442, 65344, 547697, 799535, 6841522, 4158958, 57182488, 68787501, 227409408, 714541321, 6426566559, 2797668943

Basic calculations (n = 81490247)

Multiplication

n×y

n×2	162980494
n×3	244470741
n×4	325960988
n×5	407451235

Division

n÷y

n÷2	40745123.5
n÷3	27163415.666667
n÷3	20372561.75
n÷5	16298049.4

Exponentiation

n^y

n²	6640660356121009
n³	5.4114905266341E+23
n⁴	4.4098369965357E+31
n⁵	3.5935870607743E+39

Nth Root

^y√n

²√n	9027.1948577617
³√n	433.54602766966
⁴√n	95.011551180695
⁵√n	38.213879238235

Divisors of 81490247

1, 41, 1163, 1709, 47683, 70069, 1987567, 81490247

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	-81490246	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 81490247 can be divided by 8 positive divisors. The sum of these divisors (counting 81490247) is 1, the average is 0.125.

Base conversion 81490247

Base	System	Value
2	Binary	100110110110111000101000111
3	Ternary	12200100010121022
4	Quaternary	10312313011013
5	Quinary	131330141442
6	Senary	12030341355
8	Octal	466670507
10	Decimal	81490247
12	Duodecimal	2335a85b
16	Hexadecimal	4db7147
20	Vigesimal	15965c7
36	Base36	1cim9z

Cryptographic Hash Functions

md5	f708803c888df41ad2509712e95bc9e9
sha1	c173a7de960f8a16583619295f7e47674705098a
sha256	ee465628a0c7f366782378376cc76ec95f045d7e7354f287acff2046d270fc05
sha512	58cb884392d69771ab7346088c6b40fc641c493b09782106263696d40bb4a030047af3cc5033dc7ae3add9e76fe26db5731d05ee485594d9817cdf4817aab4f0
ripemd-160	944522fc09c902ee52de66064ea6e2de76e53336

81490247 as geometric shapes

Circle

Radius = n

Diameter	162980494
Circumference	512018322.62884
Area	2.0862249789775E+16

Sphere

Radius = n

Volume	2.2667598511259E+24
Surface area	8.3448999159099E+16
Circumference	512018322.62884

Square

Length = n

Perimeter	325960988
Area	6640660356121009
Diagonal	115244612.50853

Cube

Length = n

Surface area	39843962136726054
Volume	5.4114905266341E+23
Space diagonal	141145248.12534

Equilateral Triangle

Length = n

Perimeter	244470741
Area	2.8754902831525E+15
Altitude	70572624.062669

Triangular Pyramid

Length = n

Surface area	2.8754902831525E+15
Volume	6.3775027461829E+22
Height	38414870.836178