121515021 (number)

121515021 is an odd 9-digits composite number following 121515020 and preceding 121515022. In scientific notation, it is written as 1.21515021 × 10^8. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 79033920 positive integers (up to 121515021) that are relatively prime to 121515021.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million five hundred fifteen thousand twenty-one

Notation

Scientific notation 1.21515021 × 10^8
Engineering notation 1.21515021 × 10^6

Prime Factorization of 121515021

Prime Factorization 9 × 41 × 329309

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 121515021
Product of the distinct prime numbers

The prime factorization of 121515021 is 9 × 41 × 329309. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121515021)

Multiplication

n×y
n×2 243030042
n×3 364545063
n×4 486060084
n×5 607575105

Division

n÷y
n÷2 60757510.5
n÷3 40505007
n÷3 30378755.25
n÷5 24303004.2

Exponentiation

ny
n2 14765900328630441
n3 1.7942786885174E+24
n4 2.1803181251505E+32
n5 2.6494140276434E+40

Nth Root

y√n
2√n 11023.385187863
3√n 495.30949729527
4√n 104.99231013681
5√n 41.392913246031

Divisors of 121515021

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 -121515020
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 121515021 can be divided by 8 positive divisors. The sum of these divisors (counting 121515021) is 1, the average is 0.125.

Base conversion 121515021

Base System Value
2 Binary 111001111100010110000001101
3 Ternary 22110122121021100
4 Quaternary 13033202300031
5 Quinary 222101440041
6 Senary 20020253313
8 Octal 717426015
10 Decimal 121515021
12 Duodecimal 34841239
16 Hexadecimal 73e2c0d
20 Vigesimal 1hj97b1
36 Base36 20chl9

Cryptographic Hash Functions

md5 e664b122eebc828d0e885cf7a9614d26
sha1 6fb70f1ec5ec4c12eab44db268d5c90418a95467
sha256 5554981811603cc4a8e750e8f2f203c74f911c672f2591e313d6160593bb5b34
sha512 eddef325c0a8e4afa226ef2ae7f0ddc4644ef67effa1c158e0aaf8b655cb5b0e065366d171449db290dd32ef2507a7524019f1244094b011a96e6b3a0f2525be
ripemd-160 146f9dbe73259b37465299d4ed7427f5d7f08a5b

121515021 as geometric shapes

Circle

Radius = n
Diameter 243030042
Circumference 763501394.54882
Area 4.6388443996065E+16

Sphere

Radius = n
Volume 7.5158569951188E+24
Surface area 1.8555377598426E+17
Circumference 763501394.54882

Square

Length = n
Perimeter 486060084
Area 14765900328630441
Diagonal 171848190.73025

Cube

Length = n
Surface area 88595401971782646
Volume 1.7942786885174E+24
Space diagonal 210470190.2548

Equilateral Triangle

Length = n
Perimeter 364545063
Area 6.3938223971715E+15
Altitude 105235095.1274

Triangular Pyramid

Length = n
Surface area 6.3938223971715E+15
Volume 2.1145777133153E+23
Height 57282730.243417