121998420 (number)

121998420 is an even 9-digits composite number following 121998419 and preceding 121998421. In scientific notation, it is written as 1.21998420 × 10^8. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 32303232 positive integers (up to 121998420) that are relatively prime to 121998420.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million nine hundred ninety-eight thousand four hundred twenty

Notation

Scientific notation 1.21998420 × 10^8
Engineering notation 1.21998420 × 10^6

Prime Factorization of 121998420

Prime Factorization 2 × 2 × 135 × 157 × 1439

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 60999210
Product of the distinct prime numbers

The prime factorization of 121998420 is 2 × 2 × 135 × 157 × 1439. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 8, 13, 18, 437, 279, 1639, 9712, 9251, 27844, 498090, 153524, 893729, 3371712, 84078616, 17052200, 498666995, 428954286, 7465805425, 1279434931

Basic calculations (n = 121998420)

Multiplication

n×y
n×2 243996840
n×3 365995260
n×4 487993680
n×5 609992100

Division

n÷y
n÷2 60999210
n÷3 40666140
n÷3 30499605
n÷5 24399684

Exponentiation

ny
n2 14883614482496400
n3 1.8157774507537E+24
n4 2.2152198006358E+32
n5 2.7025331563028E+40

Nth Root

y√n
2√n 11045.289493716
3√n 495.96542531282
4√n 105.09657222629
5√n 41.425794002497

Divisors of 121998420

1, 2, 4, 135, 157, 270, 314, 540, 628, 1439, 2878, 5756, 21195, 42390, 84780, 194265, 225923, 388530, 451846, 777060, 903692, 30499605, 60999210, 121998420

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121998419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121998420 can be divided by 24 positive divisors. The sum of these divisors (counting 121998420) is 1, the average is 0.041666666666667.

Base conversion 121998420

Base System Value
2 Binary 111010001011000110001010100
3 Ternary 22111120011101000
4 Quaternary 13101120301110
5 Quinary 222212422140
6 Senary 20034503300
8 Octal 721306124
10 Decimal 121998420
12 Duodecimal 34a34b30
16 Hexadecimal 7458c54
20 Vigesimal 1i29g10
36 Base36 20mul0

Cryptographic Hash Functions

md5 89f0c5fb44f86d686f3bee6c8ac5d181
sha1 1f5493e7da6cff9b5846b9073783c0b210b3f511
sha256 33a8feb768ae8c33101a7c764031fe144e86ef5be1e450191eee7889ebf9f500
sha512 01a228a0513f3b33b49d04e87dbbd6a4d19adae1631276219e3d10ec03ad09c483ee089c87fdc09bbf29ae15d954f11ff8b01f78eed0c13cf765c520cfdd0857
ripemd-160 0b06c15276c74e37366e4d8adbd5d905886cd1a7

121998420 as geometric shapes

Circle

Radius = n
Diameter 243996840
Circumference 766538680.04312
Area 4.6758253917073E+16

Sphere

Radius = n
Volume 7.605910799789E+24
Surface area 1.8703301566829E+17
Circumference 766538680.04312

Square

Length = n
Perimeter 487993680
Area 14883614482496400
Diagonal 172531820.15209

Cube

Length = n
Surface area 89301686894978400
Volume 1.8157774507537E+24
Space diagonal 211307461.88313

Equilateral Triangle

Length = n
Perimeter 365995260
Area 6.4447941209879E+15
Altitude 105653730.94156

Triangular Pyramid

Length = n
Surface area 6.4447941209879E+15
Volume 2.1399142475892E+23
Height 57510606.717363