638645142 (number)

638645142 is an even 9-digits composite number following 638645141 and preceding 638645143. In scientific notation, it is written as 6.38645142 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 209883240 positive integers (up to 638645142) that are relatively prime to 638645142.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six hundred forty-five thousand one hundred forty-two

Notation

Scientific notation 6.38645142 × 10^8
Engineering notation 6.38645142 × 10^6

Prime Factorization of 638645142

Prime Factorization 2 × 3 × 71 × 1499167

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638645142
Product of the distinct prime numbers

The prime factorization of 638645142 is 2 × 3 × 71 × 1499167. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 51, 12, 386, 375, 4756, 8571, 76376, 10207, 684092, 269008, 857873, 8280166, 48475864, 94332695, 509535476, 697712264, 261735325, 6346210519

Basic calculations (n = 638645142)

Multiplication

n×y
n×2 1277290284
n×3 1915935426
n×4 2554580568
n×5 3193225710

Division

n÷y
n÷2 319322571
n÷3 212881714
n÷3 159661285.5
n÷5 127729028.4

Exponentiation

ny
n2 407867617400200164
n3 2.6048267243175E+26
n4 1.6635599332372E+35
n5 1.0624244697878E+44

Nth Root

y√n
2√n 25271.429362029
3√n 861.16533116367
4√n 158.96990080524
5√n 57.683542351435

Divisors of 638645142

1, 2, 3, 6, 71, 142, 213, 426, 1499167, 2998334, 4497501, 8995002, 106440857, 212881714, 319322571, 638645142

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 -638645141
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 638645142 can be divided by 16 positive divisors. The sum of these divisors (counting 638645142) is 1, the average is 0.0625.

Base conversion 638645142

Base System Value
2 Binary 100110000100001111001110010110
3 Ternary 1122111201112102210
4 Quaternary 212010033032112
5 Quinary 2301443121032
6 Senary 143212214250
8 Octal 4604171626
10 Decimal 638645142
12 Duodecimal 159a6a386
16 Hexadecimal 2610f396
20 Vigesimal 9jbach2
36 Base36 ak8dqu

Cryptographic Hash Functions

md5 7020fc62ea85aa883a764cdd9ee5974b
sha1 ac87057997064b3654eb079b11400d8973bab1dd
sha256 9fa06656921cd787b1df8bfd2e6cbeedcce8eec4591eb153c89688d559040d09
sha512 01bfbad4b46d87204caf3f81ff3449b401adff87c015c590c0f6b62345d0b247d0d28e6e9086f75faf747c84dc7c51c7eff77e80772a0ba75e368fd979d634d5
ripemd-160 2e25004c4106fc71b0875611de9e88d5753439fc

638645142 as geometric shapes

Circle

Radius = n
Diameter 1277290284
Circumference 4012725772.716
Area 1.2813539104616E+18

Sphere

Radius = n
Volume 1.0911072667987E+27
Surface area 5.1254156418466E+18
Circumference 4012725772.716

Square

Length = n
Perimeter 2554580568
Area 407867617400200164
Diagonal 903180621.36009

Cube

Length = n
Surface area 2447205704401200984
Volume 2.6048267243175E+26
Space diagonal 1106165833.951

Equilateral Triangle

Length = n
Perimeter 1915935426
Area 1.766118590248E+17
Altitude 553082916.97552

Triangular Pyramid

Length = n
Surface area 1.766118590248E+17
Volume 3.0698177343014E+25
Height 301060207.12003