121998939 (number)

121998939 is an odd 9-digits composite number following 121998938 and preceding 121998940. In scientific notation, it is written as 1.21998939 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 80572296 positive integers (up to 121998939) that are relatively prime to 121998939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.21998939 × 10^8
Engineering notation 1.21998939 × 10^6

Prime Factorization of 121998939

Prime Factorization 3 × 107 × 380059

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 121998939
Product of the distinct prime numbers

The prime factorization of 121998939 is 3 × 107 × 380059. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121998939)

Multiplication

n×y
n×2 243997878
n×3 365996817
n×4 487995756
n×5 609994695

Division

n÷y
n÷2 60999469.5
n÷3 40666313
n÷3 30499734.75
n÷5 24399787.8

Exponentiation

ny
n2 14883741117125721
n3 1.81580062464E+24
n4 2.2152574964162E+32
n5 2.7025906417457E+40

Nth Root

y√n
2√n 11045.31298787
3√n 495.96612861616
4√n 105.09668400035
5√n 41.425829248774

Divisors of 121998939

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 -121998938
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 121998939 can be divided by 8 positive divisors. The sum of these divisors (counting 121998939) is 1, the average is 0.125.

Base conversion 121998939

Base System Value
2 Binary 111010001011000111001011011
3 Ternary 22111120012002020
4 Quaternary 13101120321123
5 Quinary 222212431224
6 Senary 20034505523
8 Octal 721307133
10 Decimal 121998939
12 Duodecimal 34a352a3
16 Hexadecimal 7458e5b
20 Vigesimal 1i29h6j
36 Base36 20muzf

Cryptographic Hash Functions

md5 efc496b30f91e2d09a454bc119bda4da
sha1 259f2793c9cb84f3cb8330c3c3a454cef929f07b
sha256 cc54a8018a88e74979f52214a9bf205c9c7a1ddee9905d70ee25c8fa18c176ed
sha512 9d8eea8b8a820d9bebe951863dfa2f402626ae5ad0c139c76362d8fb1227a1e9a846d3958c1734342ba885964d321623501c6ee2015c5d91cd2bb5a123ed9b86
ripemd-160 bf0f3483cec3d997cad71c867675b531f93af668

121998939 as geometric shapes

Circle

Radius = n
Diameter 243997878
Circumference 766541941.0163
Area 4.6758651751495E+16

Sphere

Radius = n
Volume 7.6060078703371E+24
Surface area 1.8703460700598E+17
Circumference 766541941.0163

Square

Length = n
Perimeter 487995756
Area 14883741117125721
Diagonal 172532554.12893

Cube

Length = n
Surface area 89302446702754326
Volume 1.81580062464E+24
Space diagonal 211308360.8175

Equilateral Triangle

Length = n
Perimeter 365996817
Area 6.4448489553909E+15
Altitude 105654180.40875

Triangular Pyramid

Length = n
Surface area 6.4448489553909E+15
Volume 2.1399415582762E+23
Height 57510851.376309