638998420 (number)

638998420 is an even 9-digits composite number following 638998419 and preceding 638998421. In scientific notation, it is written as 6.38998420 × 10^8. The sum of its digits is 49. It has a total of 6 prime factors and 48 positive divisors. There are 242819456 positive integers (up to 638998420) that are relatively prime to 638998420.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38998420 × 10^8
Engineering notation 6.38998420 × 10^6

Prime Factorization of 638998420

Prime Factorization 2 × 2 × 23 × 5 × 149 × 9323

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 319499210
Product of the distinct prime numbers

The prime factorization of 638998420 is 2 × 2 × 23 × 5 × 149 × 9323. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 2, 10, 22, 321, 328, 6562, 1765, 50620, 27537, 564275, 139122, 3915153, 1661782, 8568887, 89160591, 585854940, 140252679, 2618046974, 1219485926

Basic calculations (n = 638998420)

Multiplication

n×y
n×2 1277996840
n×3 1916995260
n×4 2555993680
n×5 3194992100

Division

n÷y
n÷2 319499210
n÷3 212999473.33333
n÷3 159749605
n÷5 127799684

Exponentiation

ny
n2 408318980762496400
n3 2.6091518356325E+26
n4 1.6672439005092E+35
n5 1.06536621818E+44

Nth Root

y√n
2√n 25278.418067593
3√n 861.32409156972
4√n 158.99188050839
5√n 57.689922676775

Divisors of 638998420

1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 230, 298, 460, 596, 745, 1490, 2980, 3427, 6854, 9323, 13708, 17135, 18646, 34270, 37292, 46615, 68540, 93230, 186460, 214429, 428858, 857716, 1072145, 1389127, 2144290, 2778254, 4288580, 5556508, 6945635, 13891270, 27782540, 31949921, 63899842, 127799684, 159749605, 319499210, 638998420

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 -638998419
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 638998420 can be divided by 48 positive divisors. The sum of these divisors (counting 638998420) is 1, the average is 0.020833333333333.

Base conversion 638998420

Base System Value
2 Binary 100110000101100101011110010100
3 Ternary 1122112101111001011
4 Quaternary 212011211132110
5 Quinary 2302040422140
6 Senary 143223542004
8 Octal 4605453624
10 Decimal 638998420
12 Duodecimal 159bba904
16 Hexadecimal 26165794
20 Vigesimal 9jdeg10
36 Base36 akfyc4

Cryptographic Hash Functions

md5 50665011279440b861c5cf40913723aa
sha1 1159f86fc2fbcfb751080f124e075b780f7a029b
sha256 16d744635086480ef24d77a7d5ddfa4e7686f71b2e25e575952e3692cba11950
sha512 b83cd909954de4c7f2a848a978ec2748d0d5bbc370d102eb2507bd8770cc31e26f81afd050eb6cbaed94c66b3c1ff37059cf82a22d510c86deabbb78ad8e23bb
ripemd-160 02cb843497aaba64135ea55355b3e8aff58471d8

638998420 as geometric shapes

Circle

Radius = n
Diameter 1277996840
Circumference 4014945483.855
Area 1.2827719102847E+18

Sphere

Radius = n
Volume 1.0929189651898E+27
Surface area 5.1310876411389E+18
Circumference 4014945483.855

Square

Length = n
Perimeter 2555993680
Area 408318980762496400
Diagonal 903680231.89898

Cube

Length = n
Surface area 2449913884574978400
Volume 2.6091518356325E+26
Space diagonal 1106777729.3962

Equilateral Triangle

Length = n
Perimeter 1916995260
Area 1.7680730509385E+17
Altitude 553388864.69812

Triangular Pyramid

Length = n
Surface area 1.7680730509385E+17
Volume 3.0749149268684E+25
Height 301226743.96633