121643906 (number)

121643906 is an even 9-digits composite number following 121643905 and preceding 121643907. In scientific notation, it is written as 1.21643906 × 10^8. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 60821952 positive integers (up to 121643906) that are relatively prime to 121643906.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million six hundred forty-three thousand nine hundred six

Notation

Scientific notation 1.21643906 × 10^8
Engineering notation 1.21643906 × 10^6

Prime Factorization of 121643906

Prime Factorization 2 × 60821953

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 121643906
Product of the distinct prime numbers

The prime factorization of 121643906 is 2 × 60821953. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121643906)

Multiplication

n×y
n×2 243287812
n×3 364931718
n×4 486575624
n×5 608219530

Division

n÷y
n÷2 60821953
n÷3 40547968.666667
n÷3 30410976.5
n÷5 24328781.2

Exponentiation

ny
n2 14797239866936836
n3 1.7999940554331E+24
n4 2.1895830767966E+32
n5 2.6634943797304E+40

Nth Root

y√n
2√n 11029.229619516
3√n 495.48455221823
4√n 105.02013911396
5√n 41.401690208125

Divisors of 121643906

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 -121643905
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 121643906 can be divided by 4 positive divisors. The sum of these divisors (counting 121643906) is 1, the average is 0.25.

Base conversion 121643906

Base System Value
2 Binary 111010000000010001110000010
3 Ternary 22110220011001212
4 Quaternary 13100002032002
5 Quinary 222120101111
6 Senary 20023130122
8 Octal 720021602
10 Decimal 121643906
12 Duodecimal 348a3942
16 Hexadecimal 7402382
20 Vigesimal 1i059f6
36 Base36 20f91e

Cryptographic Hash Functions

md5 b3b7626c2cb6c3f469b99fa8de6deaab
sha1 57b787bea5e17bcd548e14ec0e8e806c082f6c75
sha256 31a84a12d9bfbcf24c298d29313108828a98972ea08065acd1d6e901e12cb993
sha512 9c44ded0ea848154b3c2e2cc87c7a98d5f8d07407c91ad32c50b8e5b39e40b0b350d1144b7e144e0bc8468aa3e40618fe69db4c89aa9b0b006311eada76333b2
ripemd-160 7476002e87b95dea0bdd68bf2c5c0c196cee6c60

121643906 as geometric shapes

Circle

Radius = n
Diameter 243287812
Circumference 764311202.88713
Area 4.6486900059375E+16

Sphere

Radius = n
Volume 7.539797468072E+24
Surface area 1.859476002375E+17
Circumference 764311202.88713

Square

Length = n
Perimeter 486575624
Area 14797239866936836
Diagonal 172030461.64524

Cube

Length = n
Surface area 88783439201621016
Volume 1.7999940554331E+24
Space diagonal 210693425.62313

Equilateral Triangle

Length = n
Perimeter 364931718
Area 6.4073928153296E+15
Altitude 105346712.81157

Triangular Pyramid

Length = n
Surface area 6.4073928153296E+15
Volume 2.1213133378204E+23
Height 57343487.215079