121388449 (number)

121388449 is an odd 9-digits composite number following 121388448 and preceding 121388450. In scientific notation, it is written as 1.21388449 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 90392832 positive integers (up to 121388449) that are relatively prime to 121388449.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million three hundred eighty-eight thousand four hundred forty-nine

Notation

Scientific notation 1.21388449 × 10^8
Engineering notation 1.21388449 × 10^6

Prime Factorization of 121388449

Prime Factorization 13 × 7 × 17 × 78467

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121388449
Product of the distinct prime numbers

The prime factorization of 121388449 is 13 × 7 × 17 × 78467. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121388449)

Multiplication

n×y
n×2 242776898
n×3 364165347
n×4 485553796
n×5 606942245

Division

n÷y
n÷2 60694224.5
n÷3 40462816.333333
n÷3 30347112.25
n÷5 24277689.8

Exponentiation

ny
n2 14735155550625601
n3 1.7886776780642E+24
n4 2.1712480910113E+32
n5 2.6356443816208E+40

Nth Root

y√n
2√n 11017.642624446
3√n 495.13746343781
4√n 104.96495903131
5√n 41.38428654618

Divisors of 121388449

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121388448
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121388449 can be divided by 16 positive divisors. The sum of these divisors (counting 121388449) is 1, the average is 0.0625.

Base conversion 121388449

Base System Value
2 Binary 111001111000011110110100001
3 Ternary 22110102011122111
4 Quaternary 13033003312201
5 Quinary 222033412244
6 Senary 20013435321
8 Octal 717036641
10 Decimal 121388449
12 Duodecimal 3479bb41
16 Hexadecimal 73c3da1
20 Vigesimal 1hidb29
36 Base36 209rxd

Cryptographic Hash Functions

md5 f9b13c09f07d217ca3ab638bbc0886d3
sha1 5f3d3aa2f997bdf66279cd2d142789bda6b92222
sha256 0cffef36f67e3b642b16c5654c01445d6845428180de5145e2173d41cee76c96
sha512 952439f82ea33db9d53e953e913fb57bd3955bc611a25059ea8e5abea7e1bf9d2aefb54f96fcd23d4e0a13a83aa6cc909a3000fc88648d9e8cc9fa57e9058a31
ripemd-160 e51edb0d1cff64390d7d275661adb660b4986b51

121388449 as geometric shapes

Circle

Radius = n
Diameter 242776898
Circumference 762706119.21812
Area 4.6291856427348E+16

Sphere

Radius = n
Volume 7.4923955373953E+24
Surface area 1.8516742570939E+17
Circumference 762706119.21812

Square

Length = n
Perimeter 485553796
Area 14735155550625601
Diagonal 171669190.89123

Cube

Length = n
Surface area 88410933303753606
Volume 1.7886776780642E+24
Space diagonal 210250961.11998

Equilateral Triangle

Length = n
Perimeter 364165347
Area 6.3805095177785E+15
Altitude 105125480.55999

Triangular Pyramid

Length = n
Surface area 6.3805095177785E+15
Volume 2.1079768591937E+23
Height 57223063.630412