638865069 (number)

638865069 is an odd 9-digits composite number following 638865068 and preceding 638865070. In scientific notation, it is written as 6.38865069 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 425802336 positive integers (up to 638865069) that are relatively prime to 638865069.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38865069 × 10^8
Engineering notation 6.38865069 × 10^6

Prime Factorization of 638865069

Prime Factorization 3 × 4297 × 49559

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638865069
Product of the distinct prime numbers

The prime factorization of 638865069 is 3 × 4297 × 49559. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 65, 29, 963, 81, 108, 6627, 23390, 8030, 575189, 597979, 8626812, 531453, 50114400, 47306996, 530135231, 838898613, 293625095, 5918706083

Basic calculations (n = 638865069)

Multiplication

n×y
n×2 1277730138
n×3 1916595207
n×4 2555460276
n×5 3194325345

Division

n÷y
n÷2 319432534.5
n÷3 212955023
n÷3 159716267.25
n÷5 127773013.8

Exponentiation

ny
n2 408148576388374761
n3 2.6075186841661E+26
n4 1.6658526040786E+35
n5 1.0642550388485E+44

Nth Root

y√n
2√n 25275.780284692
3√n 861.26417153648
4√n 158.98358495358
5√n 57.687514642297

Divisors of 638865069

1, 3, 4297, 12891, 49559, 148677, 212955023, 638865069

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638865068
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638865069 can be divided by 8 positive divisors. The sum of these divisors (counting 638865069) is 1, the average is 0.125.

Base conversion 638865069

Base System Value
2 Binary 100110000101000100111010101101
3 Ternary 1122112010201010020
4 Quaternary 212011010322231
5 Quinary 2302022140234
6 Senary 143221032353
8 Octal 4605047255
10 Decimal 638865069
12 Duodecimal 159b556b9
16 Hexadecimal 26144ead
20 Vigesimal 9jci2d9
36 Base36 akd3fx

Cryptographic Hash Functions

md5 15193bd81e4064905a27bb18502dc404
sha1 71cf6d0710402bc855769a1e47e844582a9af77b
sha256 45fe79ed705ff23762ef17c352b032468369cb6c812a78bde85cb3ae1bf593ff
sha512 893a251549df12878e03f9d13ddce45f6b96504ac055071e223b1f9dfa3dc84e840a526fd43aed590977571fdbb44a1f8692dd6a79fd477dde8538762c50304d
ripemd-160 4dc571468223c039f70af1fb51e491251825e03a

638865069 as geometric shapes

Circle

Radius = n
Diameter 1277730138
Circumference 4014107614.8111
Area 1.2822365691549E+18

Sphere

Radius = n
Volume 1.0922348723032E+27
Surface area 5.1289462766194E+18
Circumference 4014107614.8111

Square

Length = n
Perimeter 2555460276
Area 408148576388374761
Diagonal 903491645.10622

Cube

Length = n
Surface area 2448891458330248566
Volume 2.6075186841661E+26
Space diagonal 1106546758.689

Equilateral Triangle

Length = n
Perimeter 1916595207
Area 1.7673351783539E+17
Altitude 553273379.3445

Triangular Pyramid

Length = n
Surface area 1.7673351783539E+17
Volume 3.0729902394075E+25
Height 301163881.70207