121998739 is an odd 9-digits composite number following 121998738
and preceding 121998740 . In scientific notation, it is written as 1.21998739 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 111654400 positive integers (up to 121998739) that are relatively prime to 121998739.
121998739 has 16 divisors, whose sum is 132922944
The reverse of 121998739 is 937899121
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred twenty-one million nine hundred ninety-eight thousand seven hundred thirty-nine
Scientific notation
1.21998739 × 10^8
Engineering notation
1.21998739 × 10^6
Prime Factorization
23 × 41 × 53 × 2441
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
121998739
Product of the distinct prime numbers
The prime factorization of 121998739 is 23 × 41 × 53 × 2441.
Since it has a total of 4 prime factors.
5 , 6 , 71 , 57 , 190 , 255 , 4970 , 8978 , 62976 , 53318 , 634217 , 152385 , 1892190 , 140803 , 62843793 , 72501421 , 808676983 , 635323210 , 3690953536 , 1604468976
n×2
243997478
n×3
365996217
n×4
487994956
n×5
609993695
n÷2
60999369.5
n÷3
40666246.333333
n÷3
30499684.75
n÷5
24399747.8
n2
14883692317590121
n3
1.81579169441E+24
n4
2.2152429700469E+32
n5
2.7025684892434E+40
2 √n
11045.303934252
3 √n
495.96585759391
4 √n
105.09664092754
5 √n
41.425815666408
1 , 23 , 41 , 53 , 943 , 1219 , 2173 , 2441 , 49979 , 56143 , 100081 , 129373 , 2301863 , 2975579 , 5304293 , 121998739
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121998738
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121998739 can be divided by 16 positive divisors.
The sum of these divisors (counting 121998739) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010001011000110110010011
3
Ternary
22111120011210211
4
Quaternary
13101120312103
5
Quinary
222212424424
6
Senary
20034504551
8
Octal
721306623
10
Decimal
121998739
12
Duodecimal
34a35157
16
Hexadecimal
7458d93
20
Vigesimal
1i29ggj
36
Base36
20mutv
md5
f30cb8e59ac7007df38157659d9f8e8d
sha1
1c130230f4e76000f5bd0dedceae4bbf30de360f
sha256
62fba567dc175aa4dfdaf7fbcb98ba05b62c53d9c4d151c6f1b540ed2e28d5c5
sha512
488f604b2f5946b9b031c1baa8bb384c3569a2e5e058ac8419e94e98e90db0a157ae89f3b8b09478eeae23744e545a7c443dd624d6f4675d6a453e395b115080
ripemd-160
210345c465ae67c0b78d751710f58510e35af57f
Diameter
243997478
Circumference
766540684.37924
Area
4.6758498443232E+16
Volume
7.605970463477E+24
Surface area
1.8703399377293E+17
Circumference
766540684.37924
Perimeter
487994956
Area
14883692317590121
Diagonal
172532271.28622
Surface area
89302153905540726
Volume
1.81579169441E+24
Space diagonal
211308014.40733
Perimeter
365996217
Area
6.4448278245722E+15
Altitude
105654007.20367
Surface area
6.4448278245722E+15
Volume
2.1399310338992E+23
Height
57510757.095405