138968906 (number)

138968906 is an even 9-digits composite number following 138968905 and preceding 138968907. In scientific notation, it is written as 1.38968906 × 10^8. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 69484452 positive integers (up to 138968906) that are relatively prime to 138968906.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.38968906 × 10^8
Engineering notation 1.38968906 × 10^6

Prime Factorization of 138968906

Prime Factorization 2 × 69484453

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 138968906
Product of the distinct prime numbers

The prime factorization of 138968906 is 2 × 69484453. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 6, 86, 36, 890, 644, 3099, 9076, 33033, 97581, 232229, 20227, 4939602, 9469749, 94714743, 71369948, 451038915, 649271014, 3053939213, 8092165862

Basic calculations (n = 138968906)

Multiplication

n×y
n×2 277937812
n×3 416906718
n×4 555875624
n×5 694844530

Division

n÷y
n÷2 69484453
n÷3 46322968.666667
n÷3 34742226.5
n÷5 27793781.2

Exponentiation

ny
n2 19312356834836836
n3 2.6838171016189E+24
n4 3.7296712651607E+32
n5 5.1830833545902E+40

Nth Root

y√n
2√n 11788.507369468
3√n 517.97151794022
4√n 108.57489290563
5√n 42.519047569984

Divisors of 138968906

1, 2, 69484453, 138968906

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 -138968905
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 138968906 can be divided by 4 positive divisors. The sum of these divisors (counting 138968906) is 1, the average is 0.25.

Base conversion 138968906

Base System Value
2 Binary 1000010010000111111101001010
3 Ternary 100200111100111112
4 Quaternary 20102013331022
5 Quinary 241034001111
6 Senary 21442330322
8 Octal 1022077512
10 Decimal 138968906
12 Duodecimal 3a6599a2
16 Hexadecimal 8487f4a
20 Vigesimal 238b256
36 Base36 2aql3e

Cryptographic Hash Functions

md5 03bd0139834cdfe8d56e2e07f1701724
sha1 b57c266b6144e068acd57e32f635e6698e19faf8
sha256 2fa9bec6587e5aac3ff5525628947b7608696f5cfa4e262475cca0aa83467759
sha512 f339392d742e84b7f26465cb976a1b8933d1e02ae22e19afe29536b16a18745a29ae4eeb1c9f9d0954ef85f969d065b61100b217f10943b34b1c3368a45e0a98
ripemd-160 d66f84d83ee3bb52f667938d3b6020752047e545

138968906 as geometric shapes

Circle

Radius = n
Diameter 277937812
Circumference 873167388.33402
Area 6.0671558355828E+16

Sphere

Radius = n
Volume 1.1241946786699E+25
Surface area 2.4268623342331E+17
Circumference 873167388.33402

Square

Length = n
Perimeter 555875624
Area 19312356834836836
Diagonal 196531711.61335

Cube

Length = n
Surface area 115874141009021016
Volume 2.6838171016189E+24
Space diagonal 240701205.86426

Equilateral Triangle

Length = n
Perimeter 416906718
Area 8.3624958129594E+15
Altitude 120350602.93213

Triangular Pyramid

Length = n
Surface area 8.3624958129594E+15
Volume 3.1629087866986E+23
Height 65510570.537784