121781454 (number)

121781454 is an even 9-digits composite number following 121781453 and preceding 121781455. In scientific notation, it is written as 1.21781454 × 10^8. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 39284280 positive integers (up to 121781454) that are relatively prime to 121781454.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million seven hundred eighty-one thousand four hundred fifty-four

Notation

Scientific notation 1.21781454 × 10^8
Engineering notation 1.21781454 × 10^6

Prime Factorization of 121781454

Prime Factorization 2 × 3 × 31 × 654739

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121781454
Product of the distinct prime numbers

The prime factorization of 121781454 is 2 × 3 × 31 × 654739. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 44, 38, 105, 96, 4660, 7593, 49008, 89403, 209151, 630716, 9324488, 5500736, 34658233, 21733183, 343723130, 7117528, 9921645115, 7448077662

Basic calculations (n = 121781454)

Multiplication

n×y
n×2 243562908
n×3 365344362
n×4 487125816
n×5 608907270

Division

n÷y
n÷2 60890727
n÷3 40593818
n÷3 30445363.5
n÷5 24356290.8

Exponentiation

ny
n2 14830722538354116
n3 1.8061069545913E+24
n4 2.1995033100964E+32
n5 2.6785871118136E+40

Nth Root

y√n
2√n 11035.463470104
3√n 495.67123710788
4√n 105.04981423165
5√n 41.411048910771

Divisors of 121781454

1, 2, 3, 6, 31, 62, 93, 186, 654739, 1309478, 1964217, 3928434, 20296909, 40593818, 60890727, 121781454

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 -121781453
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 121781454 can be divided by 16 positive divisors. The sum of these divisors (counting 121781454) is 1, the average is 0.0625.

Base conversion 121781454

Base System Value
2 Binary 111010000100011110011001110
3 Ternary 22111011010202020
4 Quaternary 13100203303032
5 Quinary 222134001304
6 Senary 20030111010
8 Octal 720436316
10 Decimal 121781454
12 Duodecimal 3494b466
16 Hexadecimal 7423cce
20 Vigesimal 1i12dce
36 Base36 20i766

Cryptographic Hash Functions

md5 8be16eaccca55976a11cd9607394c148
sha1 6eba24b65373b441eedc1759ddb951793f6f2856
sha256 fa54acacbd570ff95407a993d74ef295f8829174f590aa622ceafdf4ca39074f
sha512 c9ff50aed01c619e785fefcff46c8432bfc6eb783b25e79e40d4983ef3b6aa6ad82110668b69a09dae6bc65c2f4bf279eb51d114e2074aebff50509286acfb65
ripemd-160 42f4f9026b6539fc0f7227425c53d3fe1eee9bca

121781454 as geometric shapes

Circle

Radius = n
Diameter 243562908
Circumference 765175442.45977
Area 4.6592088973922E+16

Sphere

Radius = n
Volume 7.5654031201888E+24
Surface area 1.8636835589569E+17
Circumference 765175442.45977

Square

Length = n
Perimeter 487125816
Area 14830722538354116
Diagonal 172224983.89232

Cube

Length = n
Surface area 88984335230124696
Volume 1.8061069545913E+24
Space diagonal 210931665.74761

Equilateral Triangle

Length = n
Perimeter 365344362
Area 6.4218912373465E+15
Altitude 105465832.87381

Triangular Pyramid

Length = n
Surface area 6.4218912373465E+15
Volume 2.1285174585662E+23
Height 57408327.964105