121921640 (number)

121921640 is an even 9-digits composite number following 121921639 and preceding 121921641. In scientific notation, it is written as 1.21921640 × 10^8. The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors. There are 48768640 positive integers (up to 121921640) that are relatively prime to 121921640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.21921640 × 10^8
Engineering notation 1.21921640 × 10^6

Prime Factorization of 121921640

Prime Factorization 2 × 2 × 2 × 5 × 3048041

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 30480410
Product of the distinct prime numbers

The prime factorization of 121921640 is 2 × 2 × 2 × 5 × 3048041. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121921640)

Multiplication

n×y
n×2 243843280
n×3 365764920
n×4 487686560
n×5 609608200

Division

n÷y
n÷2 60960820
n÷3 40640546.666667
n÷3 30480410
n÷5 24384328

Exponentiation

ny
n2 14864886300289600
n3 1.8123513161448E+24
n4 2.2096484472054E+32
n5 2.6940396250673E+40

Nth Root

y√n
2√n 11041.813256889
3√n 495.861357799
4√n 105.08003262699
5√n 41.42057840467

Divisors of 121921640

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 -121921639
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 121921640 can be divided by 16 positive divisors. The sum of these divisors (counting 121921640) is 1, the average is 0.0625.

Base conversion 121921640

Base System Value
2 Binary 111010001000110000001101000
3 Ternary 22111102021001022
4 Quaternary 13101012001220
5 Quinary 222202443030
6 Senary 20033112012
8 Octal 721060150
10 Decimal 121921640
12 Duodecimal 349b8608
16 Hexadecimal 7446068
20 Vigesimal 1i20420
36 Base36 20l7c8

Cryptographic Hash Functions

md5 759541b0af737550c73dcceec1c531fd
sha1 2af410c2f24535ebde7a7a6e8a5cc0f743c7a7c1
sha256 19ff61a42004a67e3425ec96204aac73cae643968f3bd49ed1d8a8086b9b3969
sha512 fae898cc0ea45bfdbeea260992a0e9f320afbd68d319557fbe9f7f09b3a58a466489c9b2f73b47b7bb8eaa2e7357aac5ad037b0f853c417f8c040e92fbb0c687
ripemd-160 f0093766a9ce2dea244e99f07b5bd4cec43dab7d

121921640 as geometric shapes

Circle

Radius = n
Diameter 243843280
Circumference 766056257.07524
Area 4.6699417597437E+16

Sphere

Radius = n
Volume 7.5915594406992E+24
Surface area 1.8679767038975E+17
Circumference 766056257.07524

Square

Length = n
Perimeter 487686560
Area 14864886300289600
Diagonal 172423236.83477

Cube

Length = n
Surface area 89189317801737600
Volume 1.8123513161448E+24
Space diagonal 211174475.02212

Equilateral Triangle

Length = n
Perimeter 365764920
Area 6.436684580209E+15
Altitude 105587237.51106

Triangular Pyramid

Length = n
Surface area 6.436684580209E+15
Volume 2.1358765092306E+23
Height 57474412.278257