138889666 (number)

138889666 is an even 9-digits composite number following 138889665 and preceding 138889667. In scientific notation, it is written as 1.38889666 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 69444832 positive integers (up to 138889666) that are relatively prime to 138889666.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million eight hundred eighty-nine thousand six hundred sixty-six

Notation

Scientific notation 1.38889666 × 10^8
Engineering notation 1.38889666 × 10^6

Prime Factorization of 138889666

Prime Factorization 2 × 69444833

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 138889666
Product of the distinct prime numbers

The prime factorization of 138889666 is 2 × 69444833. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 9, 8, 53, 475, 369, 3645, 4090, 11512, 51848, 327393, 36354, 7542810, 8770623, 42950352, 79621386, 20148763, 200350604, 4216716088, 2959537314

Basic calculations (n = 138889666)

Multiplication

n×y
n×2 277779332
n×3 416668998
n×4 555558664
n×5 694448330

Division

n÷y
n÷2 69444833
n÷3 46296555.333333
n÷3 34722416.5
n÷5 27777933.2

Exponentiation

ny
n2 19290339321591556
n3 2.6792287854025E+24
n4 3.7211719114214E+32
n5 5.168323239059E+40

Nth Root

y√n
2√n 11785.145989762
3√n 517.8730501898
4√n 108.55941225781
5√n 42.514197595788

Divisors of 138889666

1, 2, 69444833, 138889666

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 -138889665
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 138889666 can be divided by 4 positive divisors. The sum of these divisors (counting 138889666) is 1, the average is 0.25.

Base conversion 138889666

Base System Value
2 Binary 1000010001110100100111000010
3 Ternary 100200100022210201
4 Quaternary 20101310213002
5 Quinary 241023432131
6 Senary 21440515414
8 Octal 1021644702
10 Decimal 138889666
12 Duodecimal 3a61bb6a
16 Hexadecimal 84749c2
20 Vigesimal 2381436
36 Base36 2aovya

Cryptographic Hash Functions

md5 86e87f49e66a57fb1b4a282eff317525
sha1 5c7c84f7708953f36aef63150829c6f6e2539005
sha256 f0f3476126d3958c580a1c0c93c1434bc54c760ac3baea91720e3ef85a8ada8d
sha512 8484ba56c77d02b15918362bc5c7409edce77aa6da27632821b2075fc82be296638a4159f8baa166968f6e3b513e56f3e567e62331e9bec2dd0fe5fc0fb935da
ripemd-160 112acd86b82302e0848ea8b56a7d075663ee9054

138889666 as geometric shapes

Circle

Radius = n
Diameter 277779332
Circumference 872669508.73028
Area 6.0602388297966E+16

Sphere

Radius = n
Volume 1.1222727292676E+25
Surface area 2.4240955319187E+17
Circumference 872669508.73028

Square

Length = n
Perimeter 555558664
Area 19290339321591556
Diagonal 196419649.33067

Cube

Length = n
Surface area 115742035929549336
Volume 2.6792287854025E+24
Space diagonal 240563958.15827

Equilateral Triangle

Length = n
Perimeter 416668998
Area 8.3529619500601E+15
Altitude 120281979.07914

Triangular Pyramid

Length = n
Surface area 8.3529619500601E+15
Volume 3.1575014041805E+23
Height 65473216.443556