121887894 (number)

121887894 is an even 9-digits composite number following 121887893 and preceding 121887895. In scientific notation, it is written as 1.21887894 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 40604928 positive integers (up to 121887894) that are relatively prime to 121887894.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million eight hundred eighty-seven thousand eight hundred ninety-four

Notation

Scientific notation 1.21887894 × 10^8
Engineering notation 1.21887894 × 10^6

Prime Factorization of 121887894

Prime Factorization 2 × 3 × 1993 × 10193

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121887894
Product of the distinct prime numbers

The prime factorization of 121887894 is 2 × 3 × 1993 × 10193. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 27, 31, 878, 659, 7052, 6327, 94597, 52861, 857730, 123038, 9455554, 2905410, 66367709, 59150017, 166528778, 644416550, 6032352373, 237586173

Basic calculations (n = 121887894)

Multiplication

n×y
n×2 243775788
n×3 365663682
n×4 487551576
n×5 609439470

Division

n÷y
n÷2 60943947
n÷3 40629298
n÷3 30471973.5
n÷5 24377578.8

Exponentiation

ny
n2 14856658703755236
n3 1.8108468412775E+24
n4 2.2072030783987E+32
n5 2.6903133485633E+40

Nth Root

y√n
2√n 11040.285050668
3√n 495.81560469217
4√n 105.07276074544
5√n 41.418285237324

Divisors of 121887894

1, 2, 3, 6, 1993, 3986, 5979, 10193, 11958, 20386, 30579, 61158, 20314649, 40629298, 60943947, 121887894

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 -121887893
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 121887894 can be divided by 16 positive divisors. The sum of these divisors (counting 121887894) is 1, the average is 0.0625.

Base conversion 121887894

Base System Value
2 Binary 111010000111101110010010110
3 Ternary 22111100112202110
4 Quaternary 13100331302112
5 Quinary 222200403034
6 Senary 20032251450
8 Octal 720756226
10 Decimal 121887894
12 Duodecimal 349a0b86
16 Hexadecimal 743dc96
20 Vigesimal 1i1fjee
36 Base36 20khau

Cryptographic Hash Functions

md5 82fffad91799c1d5938eeddb9634b64e
sha1 09ca39ea42994a16af393318652b654f894db407
sha256 0df1eb4cf2d9398e9a9e855688bc5886923e2938ed8509aa30826cddcf37add4
sha512 b2ba601c5a8f3275b26afa4a9156cf716c7ed7e1ca6587a8e57ca5cc42079a07634bed1aa963235ce2c4e38a7de24484c0bade162a0a9d8494dd0fba2986ea41
ripemd-160 55f1eee18ad6d1b82e36c34df309f65011a4c68c

121887894 as geometric shapes

Circle

Radius = n
Diameter 243775788
Circumference 765844224.70386
Area 4.6673569840608E+16

Sphere

Radius = n
Volume 7.5852575111115E+24
Surface area 1.8669427936243E+17
Circumference 765844224.70386

Square

Length = n
Perimeter 487551576
Area 14856658703755236
Diagonal 172375512.78389

Cube

Length = n
Surface area 89139952222531416
Volume 1.8108468412775E+24
Space diagonal 211116025.23557

Equilateral Triangle

Length = n
Perimeter 365663682
Area 6.4331219264036E+15
Altitude 105558012.61778

Triangular Pyramid

Length = n
Surface area 6.4331219264036E+15
Volume 2.1341034685959E+23
Height 57458504.261298