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

81490507 (number)

81490507 is an odd 8-digits composite number following 81490506 and preceding 81490508. In scientific notation, it is written as 8.1490507 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 69849000 positive integers (up to 81490507) that are relatively prime to 81490507.

Interesting facts

81490507 has 4 divisors, whose sum is 93132016
The reverse of 81490507 is 70509418
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	eighty-one million four hundred ninety thousand five hundred seven

Notation

Scientific notation	8.1490507 × 10^7
Engineering notation	8.1490507 × 10^6

Prime Factorization of 81490507

Prime Factorization 7 × 11641501

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81490507	Product of the distinct prime numbers

The prime factorization of 81490507 is 7 × 11641501. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 10, 86, 59, 20, 672, 8280, 7061, 8400, 67801, 739489, 840262, 7339310, 5692758, 95451101, 22304169, 530235920, 772683106, 2784026517, 8712363605

Basic calculations (n = 81490507)

Multiplication

n×y

n×2	162981014
n×3	244471521
n×4	325962028
n×5	407452535

Division

n÷y

n÷2	40745253.5
n÷3	27163502.333333
n÷3	20372626.75
n÷5	16298101.4

Exponentiation

n^y

n²	6640702731117049
n³	5.4115423239501E+23
n⁴	4.4098932763065E+31
n⁵	3.5936443890211E+39

Nth Root

^y√n

²√n	9027.2092586801
³√n	433.54648875489
⁴√n	95.011626965757
⁵√n	38.213903622984

Divisors of 81490507

1, 7, 11641501, 81490507

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81490506	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81490507 can be divided by 4 positive divisors. The sum of these divisors (counting 81490507) is 1, the average is 0.25.

Base conversion 81490507

Base	System	Value
2	Binary	100110110110111001001001011
3	Ternary	12200100010221221
4	Quaternary	10312313021023
5	Quinary	131330144012
6	Senary	12030342511
8	Octal	466671113
10	Decimal	81490507
12	Duodecimal	2335aa37
16	Hexadecimal	4db724b
20	Vigesimal	1596657
36	Base36	1cimh7

Cryptographic Hash Functions

md5	2d6b911ee5c16e5cdd9233e71b39479a
sha1	e25b061bda0b89759fad60fd694901544d77cf7f
sha256	1ae9e89a2054f0575c061e07cfbde6896d0c2092a4949e735b6ddaf9be8242b0
sha512	470ec0e093eb7065803f351387de0c0f3d0916d84f9e89c9ce8ed97bf9d82e366c4d8c639589dea33188ca67b633f465bf4e47e25234c57649cbd3dccd2861bb
ripemd-160	34f12b038741f60b71d548a9c4a6b3d50abbbf4a

81490507 as geometric shapes

Circle

Radius = n

Diameter	162981014
Circumference	512019956.25702
Area	2.0862382914751E+16

Sphere

Radius = n

Volume	2.2667815479349E+24
Surface area	8.3449531659004E+16
Circumference	512019956.25702

Square

Length = n

Perimeter	325962028
Area	6640702731117049
Diagonal	115244980.20406

Cube

Length = n

Surface area	39844216386702294
Volume	5.4115423239501E+23
Space diagonal	141145698.45855

Equilateral Triangle

Length = n

Perimeter	244471521
Area	2.875508632064E+15
Altitude	70572849.229274

Triangular Pyramid

Length = n

Surface area	2.875508632064E+15
Volume	6.3775637899052E+22
Height	38414993.401353