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.
121998939 has 8 divisors, whose sum is 164185920
The reverse of 121998939 is 939899121
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred twenty-one million nine hundred ninety-eight thousand nine hundred thirty-nine
Scientific notation
1.21998939 × 10^8
Engineering notation
1.21998939 × 10^6
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.
7 , 6 , 77 , 88 , 726 , 337 , 9604 , 4529 , 60347 , 51743 , 390308 , 247788 , 3512631 , 4743861 , 75410407 , 97089268 , 510299070 , 781004063 , 2620980218 , 4845045336
n×2
243997878
n×3
365996817
n×4
487995756
n×5
609994695
n÷2
60999469.5
n÷3
40666313
n÷3
30499734.75
n÷5
24399787.8
n2
14883741117125721
n3
1.81580062464E+24
n4
2.2152574964162E+32
n5
2.7025906417457E+40
2 √n
11045.31298787
3 √n
495.96612861616
4 √n
105.09668400035
5 √n
41.425829248774
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
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
md5
efc496b30f91e2d09a454bc119bda4da
sha1
259f2793c9cb84f3cb8330c3c3a454cef929f07b
sha256
cc54a8018a88e74979f52214a9bf205c9c7a1ddee9905d70ee25c8fa18c176ed
sha512
9d8eea8b8a820d9bebe951863dfa2f402626ae5ad0c139c76362d8fb1227a1e9a846d3958c1734342ba885964d321623501c6ee2015c5d91cd2bb5a123ed9b86
ripemd-160
bf0f3483cec3d997cad71c867675b531f93af668
Diameter
243997878
Circumference
766541941.0163
Area
4.6758651751495E+16
Volume
7.6060078703371E+24
Surface area
1.8703460700598E+17
Circumference
766541941.0163
Perimeter
487995756
Area
14883741117125721
Diagonal
172532554.12893
Surface area
89302446702754326
Volume
1.81580062464E+24
Space diagonal
211308360.8175
Perimeter
365996817
Area
6.4448489553909E+15
Altitude
105654180.40875
Surface area
6.4448489553909E+15
Volume
2.1399415582762E+23
Height
57510851.376309