138461905 (number)

138461905 is an odd 9-digits composite number following 138461904 and preceding 138461906. In scientific notation, it is written as 1.38461905 × 10^8. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 110656128 positive integers (up to 138461905) that are relatively prime to 138461905.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million four hundred sixty-one thousand nine hundred five

Notation

Scientific notation 1.38461905 × 10^8
Engineering notation 1.38461905 × 10^6

Prime Factorization of 138461905

Prime Factorization 5 × 27337 × 1013

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 138461905
Product of the distinct prime numbers

The prime factorization of 138461905 is 5 × 27337 × 1013. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138461905)

Multiplication

n×y
n×2 276923810
n×3 415385715
n×4 553847620
n×5 692309525

Division

n÷y
n÷2 69230952.5
n÷3 46153968.333333
n÷3 34615476.25
n÷5 27692381

Exponentiation

ny
n2 19171699136229025
n3 2.6545499844891E+24
n4 3.6755404777008E+32
n5 5.0892233644707E+40

Nth Root

y√n
2√n 11766.98368317
3√n 517.34084427126
4√n 108.47572854409
5√n 42.487977702348

Divisors of 138461905

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 -138461904
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 138461905 can be divided by 8 positive divisors. The sum of these divisors (counting 138461905) is 1, the average is 0.125.

Base conversion 138461905

Base System Value
2 Binary 1000010000001100001011010001
3 Ternary 100122112121000201
4 Quaternary 20100030023101
5 Quinary 240421240110
6 Senary 21423415201
8 Octal 1020141321
10 Decimal 138461905
12 Duodecimal 3a454501
16 Hexadecimal 840c2d1
20 Vigesimal 2357ef5
36 Base36 2afpw1

Cryptographic Hash Functions

md5 fdb1185300c31cd8e8c6d7d37e63c5e6
sha1 8e223069c67843966f8bf4586018a12f845c3e6c
sha256 12234c74ebdf28923e4155524d449de4b7e4748a8b1d2edfdfb6ba578b1b57fb
sha512 8a88ba61832c46734cb4f06573d692725d4bc0ee28badd4af2f17bed8d43bd65f4cfd0e44a7fe5663c605750076caf17e3d1bcb0921da7fcf765a943aaa7d4f3
ripemd-160 8bcd6625024efd12640d9937ed25de7c95171cab

138461905 as geometric shapes

Circle

Radius = n
Diameter 276923810
Circumference 869981807.1001
Area 6.0229669163211E+16

Sphere

Radius = n
Volume 1.1119352973144E+25
Surface area 2.4091867665284E+17
Circumference 869981807.1001

Square

Length = n
Perimeter 553847620
Area 19171699136229025
Diagonal 195814703.92302

Cube

Length = n
Surface area 115030194817374150
Volume 2.6545499844891E+24
Space diagonal 239823054.37278

Equilateral Triangle

Length = n
Perimeter 415385715
Area 8.3015892428433E+15
Altitude 119911527.18639

Triangular Pyramid

Length = n
Surface area 8.3015892428433E+15
Volume 3.1284171583848E+23
Height 65271567.974338