64493990 (number)

64493990 is an even 8-digits composite number following 64493989 and preceding 64493991. In scientific notation, it is written as 6.4493990 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 23452320 positive integers (up to 64493990) that are relatively prime to 64493990.

Interesting facts

Basic properties

Name

Name sixty-four million four hundred ninety-three thousand nine hundred ninety

Notation

Scientific notation 6.4493990 × 10^7
Engineering notation 6.4493990 × 10^6

Prime Factorization of 64493990

Prime Factorization 2 × 5 × 11 × 586309

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 64493990
Product of the distinct prime numbers

The prime factorization of 64493990 is 2 × 5 × 11 × 586309. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 4, 64, 36, 931, 778, 2599, 8783, 22762, 54861, 901562, 642726, 613226, 6613596, 60844474, 60043961, 820237061, 637633305, 514301425, 9833074324

Basic calculations (n = 64493990)

Multiplication

n×y
n×2 128987980
n×3 193481970
n×4 257975960
n×5 322469950

Division

n÷y
n÷2 32246995
n÷3 21497996.666667
n÷3 16123497.5
n÷5 12898798

Exponentiation

ny
n2 4159474746120100
n3 2.6826112268152E+23
n4 1.7301230163611E+31
n5 1.1158253651596E+39

Nth Root

y√n
2√n 8030.8150271314
3√n 401.02650927665
4√n 89.614814774854
5√n 36.467320100715

Divisors of 64493990

1, 2, 5, 10, 11, 22, 55, 110, 586309, 1172618, 2931545, 5863090, 6449399, 12898798, 32246995, 64493990

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64493989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64493990 can be divided by 16 positive divisors. The sum of these divisors (counting 64493990) is 1, the average is 0.0625.

Base conversion 64493990

Base System Value
2 Binary 11110110000001100110100110
3 Ternary 11111100122010022
4 Quaternary 3312001212212
5 Quinary 113002301430
6 Senary 10222155142
8 Octal 366014646
10 Decimal 64493990
12 Duodecimal 19722ab2
16 Hexadecimal 3d819a6
20 Vigesimal 1031eja
36 Base36 12ebvq

Cryptographic Hash Functions

md5 9eaa20059dafad72a5c802ad3fdef8da
sha1 4b34bfa4819b027873c4d34e280af7a25a6376e2
sha256 b92634f1679c7ae99f2575567b4dcc672281e70d37e58ae8a30dfe48a913d6d7
sha512 c093173182696c42998ae0e22a35d2134cc3fbcd5b8855c41d2ebe1e6e01823a6ee6cce5fba4bbaabf00f04ab20a82e38db647b17b9343de32629c8907d2191b
ripemd-160 d548f620839ca99d8b73c5f174d9d92f4b061acb

64493990 as geometric shapes

Circle

Radius = n
Diameter 128987980
Circumference 405227690.36939
Area 1.3067375305203E+16

Sphere

Radius = n
Volume 1.1236895630134E+24
Surface area 5.2269501220813E+16
Circumference 405227690.36939

Square

Length = n
Perimeter 257975960
Area 4159474746120100
Diagonal 91208275.349555

Cube

Length = n
Surface area 24956848476720600
Volume 2.6826112268152E+23
Space diagonal 111706867.46284

Equilateral Triangle

Length = n
Perimeter 193481970
Area 1.8011053982699E+15
Altitude 55853433.73142

Triangular Pyramid

Length = n
Surface area 1.8011053982699E+15
Volume 3.1614876496137E+22
Height 30402758.449852