64490640 (number)

64490640 is an even 8-digits composite number following 64490639 and preceding 64490641. In scientific notation, it is written as 6.4490640 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 80 positive divisors. There are 17127936 positive integers (up to 64490640) that are relatively prime to 64490640.

Interesting facts

Basic properties

Name

Name sixty-four million four hundred ninety thousand six hundred forty

Notation

Scientific notation 6.4490640 × 10^7
Engineering notation 6.4490640 × 10^6

Prime Factorization of 64490640

Prime Factorization 2 × 2 × 2 × 2 × 3 × 5 × 709 × 379

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 8061330
Product of the distinct prime numbers

The prime factorization of 64490640 is 2 × 2 × 2 × 2 × 3 × 5 × 709 × 379. Since it has a total of 8 prime factors.

Most popular turbo-numbers

1, 9, 4, 66, 309, 373, 9885, 5398, 52951, 91460, 493132, 745202, 7485690, 8475496, 31245726, 66307940, 433031166, 378982218, 326368820, 2767407909

Basic calculations (n = 64490640)

Multiplication

n×y
n×2 128981280
n×3 193471920
n×4 257962560
n×5 322453200

Division

n÷y
n÷2 32245320
n÷3 21496880
n÷3 16122660
n÷5 12898128

Exponentiation

ny
n2 4159042647609600
n3 2.6821932213164E+23
n4 1.7297635744635E+31
n5 1.1155355996584E+39

Nth Root

y√n
2√n 8030.6064528154
3√n 401.01956567323
4√n 89.613651040538
5√n 36.466941249723

Divisors of 64490640

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 379, 709, 758, 1137, 1418, 1516, 1895, 2127, 2274, 2836, 3032, 3545, 3790, 4254, 4548, 5672, 5685, 6064, 7090, 7580, 8508, 9096, 10635, 11344, 11370, 14180, 15160, 17016, 18192, 21270, 22740, 28360, 30320, 34032, 42540, 45480, 56720, 85080, 90960, 170160, 268711, 537422, 806133, 1074844, 1343555, 1612266, 2149688, 2687110, 3224532, 4030665, 4299376, 5374220, 6449064, 8061330, 10748440, 12898128, 16122660, 21496880, 32245320, 64490640

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64490639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64490640 can be divided by 80 positive divisors. The sum of these divisors (counting 64490640) is 1, the average is 0.0125.

Base conversion 64490640

Base System Value
2 Binary 11110110000000110010010000
3 Ternary 11111100110112020
4 Quaternary 3312000302100
5 Quinary 113002200030
6 Senary 10222131440
8 Octal 366006220
10 Decimal 64490640
12 Duodecimal 19720b80
16 Hexadecimal 3d80c90
20 Vigesimal 10316c0
36 Base36 12e9ao

Cryptographic Hash Functions

md5 c543033344009b85e878fb0ff442d10f
sha1 c2347bb6244664c3a6e462947cf19707530cdc49
sha256 4d51848c5a6f07b0f7d8d2d43c6704143f07704eab6552365021d5f448661115
sha512 23c0ce3b786b3bdea0a134e1a3b6005c3e0e445a9498308ec7cc4197f46ca4930f0b12291f8be63409db18280dee8d86340d1f42e404536ba3b14a72b262993b
ripemd-160 b478861abbd313e23b75c400cbe0da90c70d4b04

64490640 as geometric shapes

Circle

Radius = n
Diameter 128981280
Circumference 405206641.69861
Area 1.3066017827697E+16

Sphere

Radius = n
Volume 1.1235144692794E+24
Surface area 5.2264071310788E+16
Circumference 405206641.69861

Square

Length = n
Perimeter 257962560
Area 4159042647609600
Diagonal 91203537.734121

Cube

Length = n
Surface area 24954255885657600
Volume 2.6821932213164E+23
Space diagonal 111701065.09263

Equilateral Triangle

Length = n
Perimeter 193471920
Area 1.8009182941264E+15
Altitude 55850532.546317

Triangular Pyramid

Length = n
Surface area 1.8009182941264E+15
Volume 3.160995025409E+22
Height 30401179.244707