121405912 (number)

121405912 is an even 9-digits composite number following 121405911 and preceding 121405913. In scientific notation, it is written as 1.21405912 × 10^8. The sum of its digits is 25. It has a total of 4 prime factors and 8 positive divisors. There are 60702952 positive integers (up to 121405912) that are relatively prime to 121405912.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million four hundred five thousand nine hundred twelve

Notation

Scientific notation 1.21405912 × 10^8
Engineering notation 1.21405912 × 10^6

Prime Factorization of 121405912

Prime Factorization 2 × 2 × 2 × 15175739

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 30351478
Product of the distinct prime numbers

The prime factorization of 121405912 is 2 × 2 × 2 × 15175739. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 49, 97, 161, 675, 9283, 463, 8720, 20304, 55666, 634164, 690623, 2028205, 45558277, 43101765, 923220283, 754552153, 4880947647, 4892279260

Basic calculations (n = 121405912)

Multiplication

n×y
n×2 242811824
n×3 364217736
n×4 485623648
n×5 607029560

Division

n÷y
n÷2 60702956
n÷3 40468637.333333
n÷3 30351478
n÷5 24281182.4

Exponentiation

ny
n2 14739395468551744
n3 1.7894497491882E+24
n4 2.1724977877836E+32
n5 2.6375407524385E+40

Nth Root

y√n
2√n 11018.435097599
3√n 495.16120586964
4√n 104.96873390491
5√n 41.385477190296

Divisors of 121405912

1, 2, 4, 8, 15175739, 30351478, 60702956, 121405912

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 -121405911
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 121405912 can be divided by 8 positive divisors. The sum of these divisors (counting 121405912) is 1, the average is 0.125.

Base conversion 121405912

Base System Value
2 Binary 111001111001000000111011000
3 Ternary 22110110001121021
4 Quaternary 13033020013120
5 Quinary 222034442122
6 Senary 20014052224
8 Octal 717100730
10 Decimal 121405912
12 Duodecimal 347aa074
16 Hexadecimal 73c81d8
20 Vigesimal 1hifefc
36 Base36 20a5eg

Cryptographic Hash Functions

md5 84b876c45f76e5dd2ffee3b18bb2bace
sha1 05216e7dcdb1345d469ff2e53d62d853e064cb55
sha256 c68a0fbf0d29b15552f3b15cafe85b287ae5aad4986bc557d9f1b22aff35af5f
sha512 3b84887f1506c07d157856e9bf6081b3969a0fe847c1e2acb3f25b69e7d9bb860da558084f2cb5e9fb4223e1bf15f50ae7f6f681cdc66be974c84a92a86e8388
ripemd-160 d0f29f1496579a0b49c978e45784511f41989911

121405912 as geometric shapes

Circle

Radius = n
Diameter 242811824
Circumference 762815842.48314
Area 4.6305176522357E+16

Sphere

Radius = n
Volume 7.495629581357E+24
Surface area 1.8522070608943E+17
Circumference 762815842.48314

Square

Length = n
Perimeter 485623648
Area 14739395468551744
Diagonal 171693887.30267

Cube

Length = n
Surface area 88436372811310464
Volume 1.7894497491882E+24
Space diagonal 210281207.92324

Equilateral Triangle

Length = n
Perimeter 364217736
Area 6.3823454560955E+15
Altitude 105140603.96162

Triangular Pyramid

Length = n
Surface area 6.3823454560955E+15
Volume 2.1088867537392E+23
Height 57231295.767558