121998155 (number)

121998155 is an odd 9-digits composite number following 121998154 and preceding 121998156. In scientific notation, it is written as 1.21998155 × 10^8. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 97559008 positive integers (up to 121998155) that are relatively prime to 121998155.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million nine hundred ninety-eight thousand one hundred fifty-five

Notation

Scientific notation 1.21998155 × 10^8
Engineering notation 1.21998155 × 10^6

Prime Factorization of 121998155

Prime Factorization 5 × 4877 × 5003

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 121998155
Product of the distinct prime numbers

The prime factorization of 121998155 is 5 × 4877 × 5003. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121998155)

Multiplication

n×y
n×2 243996310
n×3 365994465
n×4 487992620
n×5 609990775

Division

n÷y
n÷2 60999077.5
n÷3 40666051.666667
n÷3 30499538.75
n÷5 24399631

Exponentiation

ny
n2 14883549823404025
n3 1.8157656183059E+24
n4 2.2152005534575E+32
n5 2.7025038047679E+40

Nth Root

y√n
2√n 11045.277497646
3√n 495.96506620726
4√n 105.09651515462
5√n 41.425776005797

Divisors of 121998155

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121998154
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121998155 can be divided by 8 positive divisors. The sum of these divisors (counting 121998155) is 1, the average is 0.125.

Base conversion 121998155

Base System Value
2 Binary 111010001011000101101001011
3 Ternary 22111120011000012
4 Quaternary 13101120231023
5 Quinary 222212420110
6 Senary 20034502135
8 Octal 721305513
10 Decimal 121998155
12 Duodecimal 34a3494b
16 Hexadecimal 7458b4b
20 Vigesimal 1i29f7f
36 Base36 20mudn

Cryptographic Hash Functions

md5 59c544337a8726320dfc077962c777dc
sha1 9d52bd04e25574d9d3d250e9875a4ac9816124b8
sha256 1e8034f6e43954ddccfd8e821eedeafd1d442312e924953ea61c9d84e6ec6fba
sha512 0cc79e5da7c46c52d875132a4edf2eaa139adb70a039d1c8f969d127c569bb494f080dca0a6252dd7d92ff3325b6313dd85e024653e34a21de694c4be2d300ad
ripemd-160 7207d4ac559522d6aa967bbb04788d0d9a39f6c2

121998155 as geometric shapes

Circle

Radius = n
Diameter 243996310
Circumference 766537014.99902
Area 4.6758050784544E+16

Sphere

Radius = n
Volume 7.6058612361475E+24
Surface area 1.8703220313817E+17
Circumference 766537014.99902

Square

Length = n
Perimeter 487992620
Area 14883549823404025
Diagonal 172531445.3855

Cube

Length = n
Surface area 89301298940424150
Volume 1.8157656183059E+24
Space diagonal 211307002.88966

Equilateral Triangle

Length = n
Perimeter 365994465
Area 6.4447661227796E+15
Altitude 105653501.44483

Triangular Pyramid

Length = n
Surface area 6.4447661227796E+15
Volume 2.1399003029158E+23
Height 57510481.795165