642764209 (number)

642764209 is an odd 9-digits composite number following 642764208 and preceding 642764210. In scientific notation, it is written as 6.42764209 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 642662640 positive integers (up to 642764209) that are relatively prime to 642764209.

Interesting facts

Basic properties

Name

Name six hundred forty-two million seven hundred sixty-four thousand two hundred nine

Notation

Scientific notation 6.42764209 × 10^8
Engineering notation 6.42764209 × 10^6

Prime Factorization of 642764209

Prime Factorization 6781 × 94789

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 642764209
Product of the distinct prime numbers

The prime factorization of 642764209 is 6781 × 94789. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 4, 81, 39, 822, 861, 1994, 8328, 43590, 55369, 211313, 455415, 2608444, 2577850, 59722340, 36507668, 225480353, 515699050, 878220696, 4729804900

Basic calculations (n = 642764209)

Multiplication

n×y
n×2 1285528418
n×3 1928292627
n×4 2571056836
n×5 3213821045

Division

n÷y
n÷2 321382104.5
n÷3 214254736.33333
n÷3 160691052.25
n÷5 128552841.8

Exponentiation

ny
n2 413145828371395681
n3 2.6555535157479E+26
n4 1.7068947550069E+35
n5 1.0971308570482E+44

Nth Root

y√n
2√n 25352.794895238
3√n 863.0127831927
4√n 159.22561004825
5√n 57.757759388849

Divisors of 642764209

1, 6781, 94789, 642764209

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 -642764208
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 642764209 can be divided by 4 positive divisors. The sum of these divisors (counting 642764209) is 1, the average is 0.25.

Base conversion 642764209

Base System Value
2 Binary 100110010011111100110110110001
3 Ternary 1122210110210201211
4 Quaternary 212103330312301
5 Quinary 2304021423314
6 Senary 143440400121
8 Octal 4623746661
10 Decimal 642764209
12 Duodecimal 15b316041
16 Hexadecimal 264fcdb1
20 Vigesimal a0h5aa9
36 Base36 amoo1d

Cryptographic Hash Functions

md5 025c5f28481990945afa792dd735afc7
sha1 c7dfbe38bca80d8865c3674d594f0aea83259c05
sha256 b95288f6daac0cc54b3a78792618158c417af7a5000b3b93ada4d120adb25ef0
sha512 5a4404b17e1f973621286f5b0de8f9ebe10268791190f88436d8f69c25d94a5acb8bb83925e618451b873c69e04d8d0e6c458d59f8a9282e84da485248c2fca2
ripemd-160 d28642b48ce35f0eb1e6919c83026196a087247e

642764209 as geometric shapes

Circle

Radius = n
Diameter 1285528418
Circumference 4038606633.9697
Area 1.2979358992728E+18

Sphere

Radius = n
Volume 1.1123556555051E+27
Surface area 5.1917435970914E+18
Circumference 4038606633.9697

Square

Length = n
Perimeter 2571056836
Area 413145828371395681
Diagonal 909005861.77581

Cube

Length = n
Surface area 2478874970228374086
Volume 2.6555535157479E+26
Space diagonal 1113300267.2748

Equilateral Triangle

Length = n
Perimeter 1928292627
Area 1.788973914186E+17
Altitude 556650133.63741

Triangular Pyramid

Length = n
Surface area 1.788973914186E+17
Volume 3.1295998313152E+25
Height 303001953.92527