638545169 (number)

638545169 is an odd 9-digits composite number following 638545168 and preceding 638545170. In scientific notation, it is written as 6.38545169 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 637578480 positive integers (up to 638545169) that are relatively prime to 638545169.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred forty-five thousand one hundred sixty-nine

Notation

Scientific notation 6.38545169 × 10^8
Engineering notation 6.38545169 × 10^6

Prime Factorization of 638545169

Prime Factorization 661 × 966029

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638545169
Product of the distinct prime numbers

The prime factorization of 638545169 is 661 × 966029. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 6, 73, 8, 159, 368, 1565, 5339, 59240, 3898, 253540, 668762, 3932830, 8160678, 43278211, 15873232, 843471319, 729093235, 1477486503, 5545162964

Basic calculations (n = 638545169)

Multiplication

n×y
n×2 1277090338
n×3 1915635507
n×4 2554180676
n×5 3192725845

Division

n÷y
n÷2 319272584.5
n÷3 212848389.66667
n÷3 159636292.25
n÷5 127709033.8

Exponentiation

ny
n2 407739932853238561
n3 2.6036036433182E+26
n4 1.6625185284316E+35
n5 1.061593174703E+44

Nth Root

y√n
2√n 25269.451299939
3√n 861.12039344124
4√n 158.96367918471
5√n 57.681736291222

Divisors of 638545169

1, 661, 966029, 638545169

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638545168
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638545169 can be divided by 4 positive divisors. The sum of these divisors (counting 638545169) is 1, the average is 0.25.

Base conversion 638545169

Base System Value
2 Binary 100110000011110110110100010001
3 Ternary 1122111112110022002
4 Quaternary 212003312310101
5 Quinary 2301431421134
6 Senary 143210123345
8 Octal 4603666421
10 Decimal 638545169
12 Duodecimal 159a20555
16 Hexadecimal 260f6d11
20 Vigesimal 9jai2i9
36 Base36 ak68lt

Cryptographic Hash Functions

md5 ad849333c5c7c8476052343f48a99478
sha1 a214dfcae73adb8c90a25311ef0964907cb87731
sha256 5bb45ca97cfc058a63f0a10fb46516fbf43c4dea72a9f1a73b13ce886106a241
sha512 2faa7a69c8c532d9d040bda188195a4d658fa449e5c0b98e536eadaec272d837f49da20c671413d893e18bdeaba29dd40feff0c9a6f39762ce55c225da71ae38
ripemd-160 f3c8f11f2768edb78e6dc38f33dc954ebf0eb571

638545169 as geometric shapes

Circle

Radius = n
Diameter 1277090338
Circumference 4012097623.8313
Area 1.2809527776269E+18

Sphere

Radius = n
Volume 1.0905949438277E+27
Surface area 5.1238111105077E+18
Circumference 4012097623.8313

Square

Length = n
Perimeter 2554180676
Area 407739932853238561
Diagonal 903039238.18762

Cube

Length = n
Surface area 2446439597119431366
Volume 2.6036036433182E+26
Space diagonal 1105992675.6357

Equilateral Triangle

Length = n
Perimeter 1915635507
Area 1.7655656999413E+17
Altitude 552996337.81783

Triangular Pyramid

Length = n
Surface area 1.7655656999413E+17
Volume 3.0683763195205E+25
Height 301013079.39587