138972906 (number)

138972906 is an even 9-digits composite number following 138972905 and preceding 138972907. In scientific notation, it is written as 1.38972906 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 46324296 positive integers (up to 138972906) that are relatively prime to 138972906.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million nine hundred seventy-two thousand nine hundred six

Notation

Scientific notation 1.38972906 × 10^8
Engineering notation 1.38972906 × 10^6

Prime Factorization of 138972906

Prime Factorization 2 × 9 × 7720717

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 138972906
Product of the distinct prime numbers

The prime factorization of 138972906 is 2 × 9 × 7720717. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 7, 80, 19, 3, 470, 3002, 3232, 17612, 10332, 659181, 856176, 3495708, 5191364, 39296950, 24082108, 227941132, 69284809, 3016511304, 2916597638

Basic calculations (n = 138972906)

Multiplication

n×y
n×2 277945812
n×3 416918718
n×4 555891624
n×5 694864530

Division

n÷y
n÷2 69486453
n÷3 46324302
n÷3 34743226.5
n÷5 27794581.2

Exponentiation

ny
n2 19313468602084836
n3 2.6840488565715E+24
n4 3.7301006944372E+32
n5 5.1838293317855E+40

Nth Root

y√n
2√n 11788.67702501
3√n 517.97648755597
4√n 108.5756741863
5√n 42.519292335863

Divisors of 138972906

1, 2, 9, 18, 7720717, 15441434, 69486453, 138972906

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 -138972905
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 138972906 can be divided by 8 positive divisors. The sum of these divisors (counting 138972906) is 1, the average is 0.125.

Base conversion 138972906

Base System Value
2 Binary 1000010010001000111011101010
3 Ternary 100200111112222200
4 Quaternary 20102020323222
5 Quinary 241034113111
6 Senary 21442401030
8 Octal 1022107352
10 Decimal 138972906
12 Duodecimal 3a660176
16 Hexadecimal 8488eea
20 Vigesimal 238bc56
36 Base36 2aqo6i

Cryptographic Hash Functions

md5 37a4f2d9ddbd092d6135b50267e8c5ef
sha1 27dd0eb2f3a1cec210871b162e8a280691ce498e
sha256 10f753a4e24030d912b6729f1c84d997c044969800a782c61d3f3222a05e875d
sha512 36256a6085cdcae354aa4e3a0ce6da1b663e3d382971da69979af0c7ccb432ef119ec1426562ee5473ae92aeadc0002a6c1abb3622c0befca09252e83146147b
ripemd-160 fcc405ec80ae9346ba7ed0d015c4ddb8a52212e5

138972906 as geometric shapes

Circle

Radius = n
Diameter 277945812
Circumference 873192521.07525
Area 6.0675051075647E+16

Sphere

Radius = n
Volume 1.1242917559575E+25
Surface area 2.4270020430259E+17
Circumference 873192521.07525

Square

Length = n
Perimeter 555891624
Area 19313468602084836
Diagonal 196537368.4676

Cube

Length = n
Surface area 115880811612509016
Volume 2.6840488565715E+24
Space diagonal 240708134.06749

Equilateral Triangle

Length = n
Perimeter 416918718
Area 8.3629772222993E+15
Altitude 120354067.03375

Triangular Pyramid

Length = n
Surface area 8.3629772222993E+15
Volume 3.1631819125295E+23
Height 65512456.155867