642012385 (number)

642012385 is an odd 9-digits composite number following 642012384 and preceding 642012386. In scientific notation, it is written as 6.42012385 × 10^8. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 438674688 positive integers (up to 642012385) that are relatively prime to 642012385.

Interesting facts

Basic properties

Name

Name six hundred forty-two million twelve thousand three hundred eighty-five

Notation

Scientific notation 6.42012385 × 10^8
Engineering notation 6.42012385 × 10^6

Prime Factorization of 642012385

Prime Factorization 7 × 5 × 283 × 64817

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 642012385
Product of the distinct prime numbers

The prime factorization of 642012385 is 7 × 5 × 283 × 64817. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 87, 55, 431, 330, 76, 4768, 53342, 31440, 929924, 431026, 2996678, 7572958, 70182490, 92726545, 542301603, 628925823, 7284427919, 1143584182

Basic calculations (n = 642012385)

Multiplication

n×y
n×2 1284024770
n×3 1926037155
n×4 2568049540
n×5 3210061925

Division

n÷y
n÷2 321006192.5
n÷3 214004128.33333
n÷3 160503096.25
n÷5 128402477

Exponentiation

ny
n2 412179902493388225
n3 2.6462460224885E+26
n4 1.6989227201946E+35
n5 1.0907294275228E+44

Nth Root

y√n
2√n 25337.963315942
3√n 862.67617097286
4√n 159.17902913368
5√n 57.744241523369

Divisors of 642012385

1, 5, 7, 35, 283, 1415, 1981, 9905, 64817, 324085, 453719, 2268595, 18343211, 91716055, 128402477, 642012385

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 -642012384
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 642012385 can be divided by 16 positive divisors. The sum of these divisors (counting 642012385) is 1, the average is 0.0625.

Base conversion 642012385

Base System Value
2 Binary 100110010001000101010011100001
3 Ternary 1122202001121102111
4 Quaternary 212101011103201
5 Quinary 2303323344020
6 Senary 143412315321
8 Octal 4621052341
10 Decimal 642012385
12 Duodecimal 15b012b41
16 Hexadecimal 264454e1
20 Vigesimal a0cbaj5
36 Base36 am8jxd

Cryptographic Hash Functions

md5 7ec29818dc7646a3520eaa472d7f2592
sha1 29d80594d14753161b5be9eaaee51df8a2365be0
sha256 c586e9779536af7b86c1c5ae2ca7518fcc1b45f90ddb5fc17da80b9a95d57d86
sha512 d47380f83ea4f9fdf21b1b5ad1a4b5a02733dbf17807da411ebca482aa163ae411e8e076f92aff4a75bc51753511515c7c49e7589224a94935a558854c5efa63
ripemd-160 f1bcdb9a7301c7e07e61545e974071586cde31b8

642012385 as geometric shapes

Circle

Radius = n
Diameter 1284024770
Circumference 4033882784.4593
Area 1.2949013536306E+18

Sphere

Radius = n
Volume 1.1084569418455E+27
Surface area 5.1796054145223E+18
Circumference 4033882784.4593

Square

Length = n
Perimeter 2568049540
Area 412179902493388225
Diagonal 907942622.0785

Cube

Length = n
Surface area 2473079414960329350
Volume 2.6462460224885E+26
Space diagonal 1111998069.9085

Equilateral Triangle

Length = n
Perimeter 1926037155
Area 1.7847913324433E+17
Altitude 555999034.95424

Triangular Pyramid

Length = n
Surface area 1.7847913324433E+17
Volume 3.1186308453159E+25
Height 302647540.69283