638452021 (number)

638452021 is an odd 9-digits composite number following 638452020 and preceding 638452022. In scientific notation, it is written as 6.38452021 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 637843500 positive integers (up to 638452021) that are relatively prime to 638452021.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million four hundred fifty-two thousand twenty-one

Notation

Scientific notation 6.38452021 × 10^8
Engineering notation 6.38452021 × 10^6

Prime Factorization of 638452021

Prime Factorization 1051 × 607471

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638452021
Product of the distinct prime numbers

The prime factorization of 638452021 is 1051 × 607471. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 4, 31, 54, 110, 596, 958, 8, 56488, 9723, 606683, 225930, 2829395, 9426142, 44495594, 39614811, 564253226, 996952829, 2812262245, 8704489788

Basic calculations (n = 638452021)

Multiplication

n×y
n×2 1276904042
n×3 1915356063
n×4 2553808084
n×5 3192260105

Division

n÷y
n÷2 319226010.5
n÷3 212817340.33333
n÷3 159613005.25
n÷5 127690404.2

Exponentiation

ny
n2 407620983118984441
n3 2.6024644047432E+26
n4 1.6615486587889E+35
n5 1.0608190991936E+44

Nth Root

y√n
2√n 25267.608137693
3√n 861.07851932545
4√n 158.95788164697
5√n 57.680053324324

Divisors of 638452021

1, 1051, 607471, 638452021

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 -638452020
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 638452021 can be divided by 4 positive divisors. The sum of these divisors (counting 638452021) is 1, the average is 0.25.

Base conversion 638452021

Base System Value
2 Binary 100110000011100000000100110101
3 Ternary 1122111100201112011
4 Quaternary 212003200010311
5 Quinary 2301420431041
6 Senary 143204124221
8 Octal 4603400465
10 Decimal 638452021
12 Duodecimal 159996671
16 Hexadecimal 260e0135
20 Vigesimal 9ja6a11
36 Base36 ak48qd

Cryptographic Hash Functions

md5 5735cfd289bbf5e1b6cc535637b5b788
sha1 3b29790e40ad4a3c7136a81df336f8525932004a
sha256 54fed3a9550c156252e2f5fc9c233d36b8386e8310b642aa42713d74e2cedf37
sha512 9c8d649a01e59bb6b35c337a8b34389e7703bf57beccd0d1e7379f36832bb1e4905ddc5e4888df6092775605a7625e4eb6444e487e82d85d0d966c385ba704b4
ripemd-160 0b8f8fa9b3fe77e794745db95e59177a1330b4c8

638452021 as geometric shapes

Circle

Radius = n
Diameter 1276904042
Circumference 4011512357.6863
Area 1.2805790860157E+18

Sphere

Radius = n
Volume 1.0901177406894E+27
Surface area 5.1223163440626E+18
Circumference 4011512357.6863

Square

Length = n
Perimeter 2553808084
Area 407620983118984441
Diagonal 902907507.02271

Cube

Length = n
Surface area 2445725898713906646
Volume 2.6024644047432E+26
Space diagonal 1105831338.567

Equilateral Triangle

Length = n
Perimeter 1915356063
Area 1.7650506324831E+17
Altitude 552915669.28352

Triangular Pyramid

Length = n
Surface area 1.7650506324831E+17
Volume 3.0670337139842E+25
Height 300969169.00757