138721609 (number)

138721609 is an odd 9-digits composite number following 138721608 and preceding 138721610. In scientific notation, it is written as 1.38721609 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 128050704 positive integers (up to 138721609) that are relatively prime to 138721609.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million seven hundred twenty-one thousand six hundred nine

Notation

Scientific notation 1.38721609 × 10^8
Engineering notation 1.38721609 × 10^6

Prime Factorization of 138721609

Prime Factorization 13 × 10670893

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 138721609
Product of the distinct prime numbers

The prime factorization of 138721609 is 13 × 10670893. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138721609)

Multiplication

n×y
n×2 277443218
n×3 416164827
n×4 554886436
n×5 693608045

Division

n÷y
n÷2 69360804.5
n÷3 46240536.333333
n÷3 34680402.25
n÷5 27744321.8

Exponentiation

ny
n2 19243684803548881
n3 2.6695149190371E+24
n4 3.7031940481834E+32
n5 5.1371303680322E+40

Nth Root

y√n
2√n 11778.013796901
3√n 517.66408979602
4√n 108.52655802568
5√n 42.503904145855

Divisors of 138721609

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 -138721608
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 138721609 can be divided by 4 positive divisors. The sum of these divisors (counting 138721609) is 1, the average is 0.25.

Base conversion 138721609

Base System Value
2 Binary 1000010001001011100101001001
3 Ternary 100200000210021101
4 Quaternary 20101023211021
5 Quinary 241003042414
6 Senary 21433141401
8 Octal 1021134511
10 Decimal 138721609
12 Duodecimal 3a55a861
16 Hexadecimal 844b949
20 Vigesimal 2370409
36 Base36 2alaa1

Cryptographic Hash Functions

md5 d3f75c402c5c1a64732d406e48d1c422
sha1 7e7c79238453ff4111db8f22d1abd699c80aaaec
sha256 a6a1f5986a29a048e3f372f6a3a3cd2914df750eaa2f9b8150fc517ee22ef745
sha512 9760103eb165d8acc295f334061ffc5477de932ab004801a87e76e25b0f5a171aff0355de7e9eae379400230ce0404d9bc60e2340c937732d2c04ef81dfd3772
ripemd-160 77511642e3278f025ec989e3e8fa03f7757af584

138721609 as geometric shapes

Circle

Radius = n
Diameter 277443218
Circumference 871613575.45711
Area 6.0455818806827E+16

Sphere

Radius = n
Volume 1.1182037944394E+25
Surface area 2.4182327522731E+17
Circumference 871613575.45711

Square

Length = n
Perimeter 554886436
Area 19243684803548881
Diagonal 196181980.84202

Cube

Length = n
Surface area 115462108821293286
Volume 2.6695149190371E+24
Space diagonal 240272874.8957

Equilateral Triangle

Length = n
Perimeter 416164827
Area 8.3327599511469E+15
Altitude 120136437.44785

Triangular Pyramid

Length = n
Surface area 8.3327599511469E+15
Volume 3.146053502883E+23
Height 65393993.614006