121998637 is an odd 9-digits composite number following 121998636
and preceding 121998638 . In scientific notation, it is written as 1.21998637 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 121108000 positive integers (up to 121998637) that are relatively prime to 121998637.
121998637 has 4 divisors, whose sum is 122889276
The reverse of 121998637 is 736899121
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred twenty-one million nine hundred ninety-eight thousand six hundred thirty-seven
Scientific notation
1.21998637 × 10^8
Engineering notation
1.21998637 × 10^6
Prime Factorization
137 × 890501
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121998637
Product of the distinct prime numbers
The prime factorization of 121998637 is 137 × 890501.
Since it has a total of 2 prime factors.
5 , 2 , 86 , 22 , 698 , 476 , 1801 , 7205 , 57019 , 22274 , 464830 , 696006 , 705769 , 1069130 , 77463090 , 35761226 , 535226745 , 849929521 , 5714860660 , 4083742012
n×2
243997274
n×3
365995911
n×4
487994548
n×5
609993185
n÷2
60999318.5
n÷3
40666212.333333
n÷3
30499659.25
n÷5
24399727.4
n2
14883667429857769
n3
1.8157871400039E+24
n4
2.2152355616261E+32
n5
2.7025571915231E+40
2 √n
11045.299316904
3 √n
495.96571937245
4 √n
105.09661896038
5 √n
41.425808739394
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121998636
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121998637 can be divided by 4 positive divisors.
The sum of these divisors (counting 121998637) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010001011000110100101101
3
Ternary
22111120011200001
4
Quaternary
13101120310231
5
Quinary
222212424022
6
Senary
20034504301
8
Octal
721306455
10
Decimal
121998637
12
Duodecimal
34a35091
16
Hexadecimal
7458d2d
20
Vigesimal
1i29gbh
36
Base36
20mur1
md5
b72c98338ca76542a53beb757ebfd8e7
sha1
d7cbbdf37433060816d61c69d5423459b7e14eef
sha256
ece9550b9eb278c9a0f1282c2faeb0861851d186d99e0ecd30c464a25df24ca2
sha512
fe5c708824aecf31cf9e63f2d96c9073f88f9626da8fd87ffd397a3b40c8e72a17611d366ff1ca0c57bde28577cbed24498d363b116b287dc4f36ad62fda9203
ripemd-160
825cb376ce69ff6d8c7420f47c27ca03fa572211
Diameter
243997274
Circumference
766540043.49434
Area
4.6758420256115E+16
Volume
7.6059513860256E+24
Surface area
1.8703368102446E+17
Circumference
766540043.49434
Perimeter
487994548
Area
14883667429857769
Diagonal
172532127.03643
Surface area
89302004579146614
Volume
1.8157871400039E+24
Space diagonal
211307837.73815
Perimeter
365995911
Area
6.4448170478679E+15
Altitude
105653918.86908
Surface area
6.4448170478679E+15
Volume
2.1399256664802E+23
Height
57510709.012144