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

81490147 (number)

81490147 is an odd 8-digits composite number following 81490146 and preceding 81490148. In scientific notation, it is written as 8.1490147 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 80508256 positive integers (up to 81490147) that are relatively prime to 81490147.

Interesting facts

81490147 has 4 divisors, whose sum is 82472040
The reverse of 81490147 is 74109418
Previous prime number is 83

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 one hundred forty-seven

Notation

Scientific notation	8.1490147 × 10^7
Engineering notation	8.1490147 × 10^6

Prime Factorization of 81490147

Prime Factorization 83 × 981809

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81490147	Product of the distinct prime numbers

The prime factorization of 81490147 is 83 × 981809. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 4, 16, 77, 289, 448, 8615, 6196, 52627, 14159, 811625, 627949, 5440541, 35733, 90999085, 3277970, 385280227, 322692122, 9705801151, 7636530906

Basic calculations (n = 81490147)

Multiplication

n×y

n×2	162980294
n×3	244470441
n×4	325960588
n×5	407450735

Division

n÷y

n÷2	40745073.5
n÷3	27163382.333333
n÷3	20372536.75
n÷5	16298029.4

Exponentiation

n^y

n²	6640644058081609
n³	5.4114706046775E+23
n⁴	4.4098153506135E+31
n⁵	3.5935650116435E+39

Nth Root

^y√n

²√n	9027.1893189409
³√n	433.54585032892
⁴√n	95.011522032545
⁵√n	38.213869859469

Divisors of 81490147

1, 83, 981809, 81490147

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	-81490146	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 81490147 can be divided by 4 positive divisors. The sum of these divisors (counting 81490147) is 1, the average is 0.25.

Base conversion 81490147

Base	System	Value
2	Binary	100110110110111000011100011
3	Ternary	12200100010110121
4	Quaternary	10312313003203
5	Quinary	131330141042
6	Senary	12030341111
8	Octal	466670343
10	Decimal	81490147
12	Duodecimal	2335a797
16	Hexadecimal	4db70e3
20	Vigesimal	1596577
36	Base36	1cim77

Cryptographic Hash Functions

md5	4ec13afb0dfdc1033ec91d4d747a4f88
sha1	6f08936394f7b185874e4d795b9500cf604eb4c9
sha256	36cbf5045c1ab628e62905f00444b966f008e1eb873a3767543d186d036e8d93
sha512	aa0c23aa2c0817713a8d3046b9b750e891b7e3719185d777dc3a3301d1247e13f0f88b4074f62c544c2071e01de31c8b99523e358c1ee51939ce1e3f048d2adc
ripemd-160	b47ff84e4308dbbcb0c144fe0c43c979ffa90941

81490147 as geometric shapes

Circle

Radius = n

Diameter	162980294
Circumference	512017694.3103
Area	2.0862198587974E+16

Sphere

Radius = n

Volume	2.2667515062362E+24
Surface area	8.3448794351896E+16
Circumference	512017694.3103

Square

Length = n

Perimeter	325960588
Area	6640644058081609
Diagonal	115244471.08718

Cube

Length = n

Surface area	39843864348489654
Volume	5.4114706046775E+23
Space diagonal	141145074.92026

Equilateral Triangle

Length = n

Perimeter	244470441
Area	2.8754832258944E+15
Altitude	70572537.460128

Triangular Pyramid

Length = n

Surface area	2.8754832258944E+15
Volume	6.3774792679318E+22
Height	38414823.695726