638991628 (number)

638991628 is an even 9-digits composite number following 638991627 and preceding 638991629. In scientific notation, it is written as 6.38991628 × 10^8. The sum of its digits is 52. It has a total of 6 prime factors and 48 positive divisors. There are 281594880 positive integers (up to 638991628) that are relatively prime to 638991628.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38991628 × 10^8
Engineering notation 6.38991628 × 10^6

Prime Factorization of 638991628

Prime Factorization 2 × 2 × 11 × 37 × 389 × 1009

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 319495814
Product of the distinct prime numbers

The prime factorization of 638991628 is 2 × 2 × 11 × 37 × 389 × 1009. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 6, 91, 99, 720, 696, 2392, 6128, 69944, 33134, 582716, 368652, 2504090, 8403905, 7482348, 70389296, 318681863, 845070844, 295882765, 8669171984

Basic calculations (n = 638991628)

Multiplication

n×y
n×2 1277983256
n×3 1916974884
n×4 2555966512
n×5 3194958140

Division

n÷y
n÷2 319495814
n÷3 212997209.33333
n÷3 159747907
n÷5 127798325.6

Exponentiation

ny
n2 408310300654090384
n3 2.6090686374413E+26
n4 1.6671730162023E+35
n5 1.0653095997808E+44

Nth Root

y√n
2√n 25278.283723386
3√n 861.3210398491
4√n 158.99145802019
5√n 57.689800037467

Divisors of 638991628

1, 2, 4, 11, 22, 37, 44, 74, 148, 389, 407, 778, 814, 1009, 1556, 1628, 2018, 4036, 4279, 8558, 11099, 14393, 17116, 22198, 28786, 37333, 44396, 57572, 74666, 149332, 158323, 316646, 392501, 410663, 633292, 785002, 821326, 1570004, 1642652, 4317511, 8635022, 14522537, 17270044, 29045074, 58090148, 159747907, 319495814, 638991628

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 -638991627
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 638991628 can be divided by 48 positive divisors. The sum of these divisors (counting 638991628) is 1, the average is 0.020833333333333.

Base conversion 638991628

Base System Value
2 Binary 100110000101100011110100001100
3 Ternary 1122112101010201121
4 Quaternary 212011203310030
5 Quinary 2302040213003
6 Senary 143223450324
8 Octal 4605436414
10 Decimal 638991628
12 Duodecimal 159bb69a4
16 Hexadecimal 26163d0c
20 Vigesimal 9jddj18
36 Base36 akft3g

Cryptographic Hash Functions

md5 c59a31ca98bf8c0cc7cbb16b613bcb88
sha1 2a87a9095795dba8330b20e5e459baebefbbd6ba
sha256 16d3ae61736d5af097fa0d82870ba80ef16feda6e8ddd2dda9f8ea8b5c4d8db7
sha512 87ac00469f1ab6fcad51332188378ee51fa5752f4a203d058dd585ef64160e63d86080622e5c03caea3d3d89eddef903db813b7c5a34c69946739439b800253f
ripemd-160 41dea1d76f58f96299886dc5119d1a32a8348401

638991628 as geometric shapes

Circle

Radius = n
Diameter 1277983256
Circumference 4014902808.4604
Area 1.2827446409199E+18

Sphere

Radius = n
Volume 1.0928841152129E+27
Surface area 5.1309785636797E+18
Circumference 4014902808.4604

Square

Length = n
Perimeter 2555966512
Area 408310300654090384
Diagonal 903670626.56046

Cube

Length = n
Surface area 2449861803924542304
Volume 2.6090686374413E+26
Space diagonal 1106765965.3072

Equilateral Triangle

Length = n
Perimeter 1916974884
Area 1.7680354649665E+17
Altitude 553382982.65358

Triangular Pyramid

Length = n
Surface area 1.7680354649665E+17
Volume 3.0748168768598E+25
Height 301223542.18682