638968020 (number)

638968020 is an even 9-digits composite number following 638968019 and preceding 638968021. In scientific notation, it is written as 6.38968020 × 10^8. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 163398144 positive integers (up to 638968020) that are relatively prime to 638968020.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38968020 × 10^8
Engineering notation 6.38968020 × 10^6

Prime Factorization of 638968020

Prime Factorization 2 × 2 × 435 × 157 × 2339

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 319484010
Product of the distinct prime numbers

The prime factorization of 638968020 is 2 × 2 × 435 × 157 × 2339. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 3, 17, 40, 988, 407, 1110, 8478, 40223, 17343, 706794, 580256, 893476, 1974004, 87532069, 25561653, 736700273, 223730441, 2031776799, 9782294744

Basic calculations (n = 638968020)

Multiplication

n×y
n×2 1277936040
n×3 1916904060
n×4 2555872080
n×5 3194840100

Division

n÷y
n÷2 319484010
n÷3 212989340
n÷3 159742005
n÷5 127793604

Exponentiation

ny
n2 408280130582720400
n3 2.6087794664378E+26
n4 1.6669266502864E+35
n5 1.0651128212188E+44

Nth Root

y√n
2√n 25277.816756991
3√n 861.31043234573
4√n 158.98998948673
5√n 57.689373753032

Divisors of 638968020

1, 2, 4, 157, 314, 435, 628, 870, 1740, 2339, 4678, 9356, 68295, 136590, 273180, 367223, 734446, 1017465, 1468892, 2034930, 4069860, 159742005, 319484010, 638968020

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638968019
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638968020 can be divided by 24 positive divisors. The sum of these divisors (counting 638968020) is 1, the average is 0.041666666666667.

Base conversion 638968020

Base System Value
2 Binary 100110000101011110000011010100
3 Ternary 1122112022221100020
4 Quaternary 212011132003110
5 Quinary 2302033434040
6 Senary 143223145140
8 Octal 4605360324
10 Decimal 638968020
12 Duodecimal 159ba51b0
16 Hexadecimal 2615e0d4
20 Vigesimal 9jdb010
36 Base36 akfavo

Cryptographic Hash Functions

md5 0df46bbcad6a7c21fc724d06eb9c3686
sha1 9e7e2811724c3a84647a4e9ca7c372879fb62be8
sha256 6e8629bdcd6f67a30699f92766accaeaf722d8799c93d8dcc11c805ce0516a14
sha512 e892b640f66d73c46fe1a02316b973963460fa4b6dd5ab2824fd79e9886aadefb8ed9f6c69503807c1463e8bdfee9b267c8ebd38aab711043f42997ee27fdda7
ripemd-160 c286a7cfdea65250c13284972d3bff62a0be28e7

638968020 as geometric shapes

Circle

Radius = n
Diameter 1277936040
Circumference 4014754475.0216
Area 1.2826498588454E+18

Sphere

Radius = n
Volume 1.0927629875463E+27
Surface area 5.1305994353814E+18
Circumference 4014754475.0216

Square

Length = n
Perimeter 2555872080
Area 408280130582720400
Diagonal 903637239.80668

Cube

Length = n
Surface area 2449680783496322400
Volume 2.6087794664378E+26
Space diagonal 1106725075.0517

Equilateral Triangle

Length = n
Perimeter 1916904060
Area 1.7679048247253E+17
Altitude 553362537.52584

Triangular Pyramid

Length = n
Surface area 1.7679048247253E+17
Volume 3.074476085564E+25
Height 301212413.26889