138840809 (number)

138840809 is an odd 9-digits composite number following 138840808 and preceding 138840810. In scientific notation, it is written as 1.38840809 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 131533380 positive integers (up to 138840809) that are relatively prime to 138840809.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million eight hundred forty thousand eight hundred nine

Notation

Scientific notation 1.38840809 × 10^8
Engineering notation 1.38840809 × 10^6

Prime Factorization of 138840809

Prime Factorization 19 × 7307411

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 138840809
Product of the distinct prime numbers

The prime factorization of 138840809 is 19 × 7307411. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138840809)

Multiplication

n×y
n×2 277681618
n×3 416522427
n×4 555363236
n×5 694204045

Division

n÷y
n÷2 69420404.5
n÷3 46280269.666667
n÷3 34710202.25
n÷5 27768161.8

Exponentiation

ny
n2 19276770243774481
n3 2.6764023755528E+24
n4 3.7159387103127E+32
n5 5.1592393673423E+40

Nth Root

y√n
2√n 11783.07298628
3√n 517.81231927126
4√n 108.54986405464
5√n 42.511206144315

Divisors of 138840809

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 -138840808
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 138840809 can be divided by 4 positive divisors. The sum of these divisors (counting 138840809) is 1, the average is 0.25.

Base conversion 138840809

Base System Value
2 Binary 1000010001101000101011101001
3 Ternary 100200020211210012
4 Quaternary 20101220223221
5 Quinary 241020401214
6 Senary 21435501305
8 Octal 1021505351
10 Decimal 138840809
12 Duodecimal 3a5b7835
16 Hexadecimal 8468ae9
20 Vigesimal 237f209
36 Base36 2anu95

Cryptographic Hash Functions

md5 5cd87b9ffbf9ecd86336f24be8835279
sha1 efc2858de8d6442a55e3ac38cb78c1624cd5b9af
sha256 fb0ded29a6ca844a4d49a484aebca0ee029df0fc2f7ce39a69f56eaf832e3ba8
sha512 022ef9f5bcf6459e0a56ba786c6f87c930f68386404928999512b357ade0e8633d6ac21f80a6a323e1813f9c98459baea6dbae190970462001e7010ff36e84c4
ripemd-160 cfcae40d7b5321289dd51d2f97e8bd8e858c540a

138840809 as geometric shapes

Circle

Radius = n
Diameter 277681618
Circumference 872362531.14573
Area 6.055975978278E+16

Sphere

Radius = n
Volume 1.1210888054782E+25
Surface area 2.4223903913112E+17
Circumference 872362531.14573

Square

Length = n
Perimeter 555363236
Area 19276770243774481
Diagonal 196350555.09865

Cube

Length = n
Surface area 115660621462646886
Volume 2.6764023755528E+24
Space diagonal 240479335.35197

Equilateral Triangle

Length = n
Perimeter 416522427
Area 8.3470863670123E+15
Altitude 120239667.67598

Triangular Pyramid

Length = n
Surface area 8.3470863670123E+15
Volume 3.1541704482286E+23
Height 65450185.032884