121689940 (number)

121689940 is an even 9-digits composite number following 121689939 and preceding 121689941. In scientific notation, it is written as 1.21689940 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 48675968 positive integers (up to 121689940) that are relatively prime to 121689940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.21689940 × 10^8
Engineering notation 1.21689940 × 10^6

Prime Factorization of 121689940

Prime Factorization 2 × 2 × 5 × 6084497

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 60844970
Product of the distinct prime numbers

The prime factorization of 121689940 is 2 × 2 × 5 × 6084497. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 82, 89, 154, 449, 8082, 6021, 11675, 54348, 618568, 502173, 1603377, 132839, 74832685, 48511149, 603559437, 560726146, 5753015119, 6267905744

Basic calculations (n = 121689940)

Multiplication

n×y
n×2 243379880
n×3 365069820
n×4 486759760
n×5 608449700

Division

n÷y
n÷2 60844970
n÷3 40563313.333333
n÷3 30422485
n÷5 24337988

Exponentiation

ny
n2 14808441497203600
n3 1.8020383572882E+24
n4 2.192899395761E+32
n5 2.6685379589619E+40

Nth Root

y√n
2√n 11031.316331245
3√n 495.54704681138
4√n 105.03007346111
5√n 41.404823282416

Divisors of 121689940

1, 2, 4, 5, 10, 20, 6084497, 12168994, 24337988, 30422485, 60844970, 121689940

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121689939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121689940 can be divided by 12 positive divisors. The sum of these divisors (counting 121689940) is 1, the average is 0.083333333333333.

Base conversion 121689940

Base System Value
2 Binary 111010000001101011101010100
3 Ternary 22110222111012211
4 Quaternary 13100031131110
5 Quinary 222123034230
6 Senary 20024123204
8 Octal 720153524
10 Decimal 121689940
12 Duodecimal 34906504
16 Hexadecimal 740d754
20 Vigesimal 1i0b4h0
36 Base36 20g8k4

Cryptographic Hash Functions

md5 6b0c96bf793ccceae03563a150f652b5
sha1 b37d7fba3045071415c5bb3471e4796764a79617
sha256 a43f0deb8854ec35b9ab5790815169009877858f0a7a00b752614f8af965809f
sha512 815050d2f5dd689113f7c1f854fad657ccce01fe68bb70c86a8a7542b5ab88c0f9ff95b2682c3ebe7f2b05fda9700c7bf6a06c538d83b7aee21b15702ecbfb5c
ripemd-160 42890e099146f99e9d8c6e56ee7f6dae6f32ad2b

121689940 as geometric shapes

Circle

Radius = n
Diameter 243379880
Circumference 764600443.03957
Area 4.6522091018729E+16

Sphere

Radius = n
Volume 7.5483606196582E+24
Surface area 1.8608836407492E+17
Circumference 764600443.03957

Square

Length = n
Perimeter 486759760
Area 14808441497203600
Diagonal 172095563.55237

Cube

Length = n
Surface area 88850648983221600
Volume 1.8020383572882E+24
Space diagonal 210773158.85001

Equilateral Triangle

Length = n
Perimeter 365069820
Area 6.412243263517E+15
Altitude 105386579.425

Triangular Pyramid

Length = n
Surface area 6.412243263517E+15
Volume 2.1237225706613E+23
Height 57365187.850789