121998154 (number)

121998154 is an even 9-digits composite number following 121998153 and preceding 121998155. In scientific notation, it is written as 1.21998154 × 10^8. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 57410880 positive integers (up to 121998154) that are relatively prime to 121998154.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.21998154 × 10^8
Engineering notation 1.21998154 × 10^6

Prime Factorization of 121998154

Prime Factorization 2 × 17 × 3588181

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 121998154
Product of the distinct prime numbers

The prime factorization of 121998154 is 2 × 17 × 3588181. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121998154)

Multiplication

n×y
n×2 243996308
n×3 365994462
n×4 487992616
n×5 609990770

Division

n÷y
n÷2 60999077
n÷3 40666051.333333
n÷3 30499538.5
n÷5 24399630.8

Exponentiation

ny
n2 14883549579407716
n3 1.8157655736552E+24
n4 2.2152004808269E+32
n5 2.7025036940079E+40

Nth Root

y√n
2√n 11045.277452378
3√n 495.96506485214
4√n 105.09651493926
5√n 41.425775937885

Divisors of 121998154

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 -121998153
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 121998154 can be divided by 8 positive divisors. The sum of these divisors (counting 121998154) is 1, the average is 0.125.

Base conversion 121998154

Base System Value
2 Binary 111010001011000101101001010
3 Ternary 22111120011000011
4 Quaternary 13101120231022
5 Quinary 222212420104
6 Senary 20034502134
8 Octal 721305512
10 Decimal 121998154
12 Duodecimal 34a3494a
16 Hexadecimal 7458b4a
20 Vigesimal 1i29f7e
36 Base36 20mudm

Cryptographic Hash Functions

md5 095d8cab88e3530782cefae30e6bb469
sha1 468cf17d3cd9146a6d7e34430f0c29a16f9ac1a1
sha256 d0c49377f21a410d14aeae94055795e6fcd8a4e44633e5768c58a903e8c63ec6
sha512 661394d86472aecd16c5d33e67ca3d5836efdafe71f8f720fdc0b884d0dba8a3eb500730f1a473b88a922f1f88c1228198639e7f46f97070fb55553279408a9b
ripemd-160 300932ef78749f460be1a416e94c102801da88c3

121998154 as geometric shapes

Circle

Radius = n
Diameter 243996308
Circumference 766537008.71583
Area 4.6758050018007E+16

Sphere

Radius = n
Volume 7.6058610491153E+24
Surface area 1.8703220007203E+17
Circumference 766537008.71583

Square

Length = n
Perimeter 487992616
Area 14883549579407716
Diagonal 172531443.97128

Cube

Length = n
Surface area 89301297476446296
Volume 1.8157655736552E+24
Space diagonal 211307001.15761

Equilateral Triangle

Length = n
Perimeter 365994462
Area 6.4447660171261E+15
Altitude 105653500.57881

Triangular Pyramid

Length = n
Surface area 6.4447660171261E+15
Volume 2.1399002502945E+23
Height 57510481.32376