638966420 (number)

638966420 is an even 9-digits composite number following 638966419 and preceding 638966421. In scientific notation, it is written as 6.38966420 × 10^8. The sum of its digits is 44. It has a total of 6 prime factors and 48 positive divisors. There are 232788480 positive integers (up to 638966420) that are relatively prime to 638966420.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred sixty-six thousand four hundred twenty

Notation

Scientific notation 6.38966420 × 10^8
Engineering notation 6.38966420 × 10^6

Prime Factorization of 638966420

Prime Factorization 2 × 2 × 5 × 17 × 31 × 60623

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 319483210
Product of the distinct prime numbers

The prime factorization of 638966420 is 2 × 2 × 5 × 17 × 31 × 60623. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 6, 83, 21, 256, 551, 1770, 4538, 14650, 68890, 554502, 713298, 5127096, 1507464, 27834718, 91867678, 555712343, 162763594, 9932866368, 5138220297

Basic calculations (n = 638966420)

Multiplication

n×y
n×2 1277932840
n×3 1916899260
n×4 2555865680
n×5 3194832100

Division

n÷y
n÷2 319483210
n÷3 212988806.66667
n÷3 159741605
n÷5 127793284

Exponentiation

ny
n2 408278085887616400
n3 2.6087598690406E+26
n4 1.6669099541606E+35
n5 1.0650994858723E+44

Nth Root

y√n
2√n 25277.785108668
3√n 861.30971342721
4√n 158.98988995741
5√n 57.68934486173

Divisors of 638966420

1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 60623, 121246, 242492, 303115, 606230, 1030591, 1212460, 1879313, 2061182, 3758626, 4122364, 5152955, 7517252, 9396565, 10305910, 18793130, 20611820, 31948321, 37586260, 63896642, 127793284, 159741605, 319483210, 638966420

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638966419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638966420 can be divided by 48 positive divisors. The sum of these divisors (counting 638966420) is 1, the average is 0.020833333333333.

Base conversion 638966420

Base System Value
2 Binary 100110000101011101101010010100
3 Ternary 1122112022212010222
4 Quaternary 212011131222110
5 Quinary 2302033411140
6 Senary 143223133512
8 Octal 4605355224
10 Decimal 638966420
12 Duodecimal 159ba4298
16 Hexadecimal 2615da94
20 Vigesimal 9jdag10
36 Base36 akf9n8

Cryptographic Hash Functions

md5 ffe2182de440cac8b76254f413133cd1
sha1 8ec7e47efdab5cfd666f5cce8acb4c424204a974
sha256 358de61378d81935cf4c1ea71f8724d80d4733c75006d44724d5dc413d9cf0b0
sha512 a7c9b48bb451e8559d3587fe651de790179464edda14d4da23cb8d5d27c5e455a3dffe88b190acac6eaf22591b4fe51470f8f9971952b742e37a6ee043809051
ripemd-160 f96673940bff25b0fba0e4e7818967689b0badbc

638966420 as geometric shapes

Circle

Radius = n
Diameter 1277932840
Circumference 4014744421.9251
Area 1.2826434352462E+18

Sphere

Radius = n
Volume 1.0927547786077E+27
Surface area 5.130573740985E+18
Circumference 4014744421.9251

Square

Length = n
Perimeter 2555865680
Area 408278085887616400
Diagonal 903634977.06498

Cube

Length = n
Surface area 2449668515325698400
Volume 2.6087598690406E+26
Space diagonal 1106722303.7704

Equilateral Triangle

Length = n
Perimeter 1916899260
Area 1.7678959709358E+17
Altitude 553361151.8852

Triangular Pyramid

Length = n
Surface area 1.7678959709358E+17
Volume 3.0744529898099E+25
Height 301211659.02166