121142905 (number)

121142905 is an odd 9-digits composite number following 121142904 and preceding 121142906. In scientific notation, it is written as 1.21142905 × 10^8. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 86361600 positive integers (up to 121142905) that are relatively prime to 121142905.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million one hundred forty-two thousand nine hundred five

Notation

Scientific notation 1.21142905 × 10^8
Engineering notation 1.21142905 × 10^6

Prime Factorization of 121142905

Prime Factorization 205 × 13 × 131 × 347

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121142905
Product of the distinct prime numbers

The prime factorization of 121142905 is 205 × 13 × 131 × 347. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 73, 30, 868, 317, 3680, 1790, 82209, 36123, 260210, 743623, 7519813, 4167654, 98163602, 63148955, 830664996, 857525695, 2766201362, 3634819557

Basic calculations (n = 121142905)

Multiplication

n×y
n×2 242285810
n×3 363428715
n×4 484571620
n×5 605714525

Division

n÷y
n÷2 60571452.5
n÷3 40380968.333333
n÷3 30285726.25
n÷5 24228581

Exponentiation

ny
n2 14675603431839025
n3 1.7778452323609E+24
n4 2.1537333608861E+32
n5 2.6090951593315E+40

Nth Root

y√n
2√n 11006.493765046
3√n 494.80338414553
4√n 104.91183805961
5√n 41.367530593997

Divisors of 121142905

1, 13, 131, 205, 347, 1703, 2665, 4511, 26855, 45457, 71135, 349115, 590941, 924755, 9318685, 121142905

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 -121142904
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 121142905 can be divided by 16 positive divisors. The sum of these divisors (counting 121142905) is 1, the average is 0.0625.

Base conversion 121142905

Base System Value
2 Binary 111001110000111111001111001
3 Ternary 22102221200211021
4 Quaternary 13032013321321
5 Quinary 222003033110
6 Senary 20004302441
8 Octal 716077171
10 Decimal 121142905
12 Duodecimal 346a1a21
16 Hexadecimal 7387e79
20 Vigesimal 1hh2h55
36 Base36 204igp

Cryptographic Hash Functions

md5 f870b9efc329d8b2f9dd720422988868
sha1 fa0ec7ff7d61715a637fa10530541a630e09506e
sha256 cdf4a06343e24f3f68c9048d1fe2ee0c81c3c3d1365f459ddf044d659db5c7ff
sha512 be1b22610d458c940e7f00664cd7109890988569ebe52635ee00f8113d618d69676918aee551ed82868bfc34fd43ac9afcbecd027260a1c34afa63ea5ec2aa14
ripemd-160 921397962992943f3e9be8bdbb5f888b4f2d86b0

121142905 as geometric shapes

Circle

Radius = n
Diameter 242285810
Circumference 761163320.76505
Area 4.6104767928463E+16

Sphere

Radius = n
Volume 7.4470206949397E+24
Surface area 1.8441907171385E+17
Circumference 761163320.76505

Square

Length = n
Perimeter 484571620
Area 14675603431839025
Diagonal 171321939.23628

Cube

Length = n
Surface area 88053620591034150
Volume 1.7778452323609E+24
Space diagonal 209825666.43649

Equilateral Triangle

Length = n
Perimeter 363428715
Area 6.3547226939193E+15
Altitude 104912833.21824

Triangular Pyramid

Length = n
Surface area 6.3547226939193E+15
Volume 2.0952106995043E+23
Height 57107313.078758