121998764 is an even 9-digits composite number following 121998763
and preceding 121998765 . In scientific notation, it is written as 1.21998764 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 59031600 positive integers (up to 121998764) that are relatively prime to 121998764.
121998764 has 12 divisors, whose sum is 220385088
The reverse of 121998764 is 467899121
Previous prime number is 31
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-one million nine hundred ninety-eight thousand seven hundred sixty-four
Scientific notation
1.21998764 × 10^8
Engineering notation
1.21998764 × 10^6
Prime Factorization
2 × 2 × 31 × 983861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
60999382
Product of the distinct prime numbers
The prime factorization of 121998764 is 2 × 2 × 31 × 983861.
Since it has a total of 4 prime factors.
3 , 3 , 26 , 53 , 653 , 798 , 5627 , 6265 , 20422 , 85769 , 248928 , 899466 , 9593672 , 7543459 , 20886465 , 37035753 , 791940086 , 441986596 , 8246034694 , 5700435936
n×2
243997528
n×3
365996292
n×4
487995056
n×5
609993820
n÷2
60999382
n÷3
40666254.666667
n÷3
30499691
n÷5
24399752.8
n2
14883698417527696
n3
1.8157928106871E+24
n4
2.2152447858392E+32
n5
2.7025712582982E+40
2 √n
11045.305065954
3 √n
495.96589147171
4 √n
105.09664631164
5 √n
41.425817364205
1 , 2 , 4 , 31 , 62 , 124 , 983861 , 1967722 , 3935444 , 30499691 , 60999382 , 121998764
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121998763
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121998764 can be divided by 12 positive divisors.
The sum of these divisors (counting 121998764) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111010001011000110110101100
3
Ternary
22111120011211202
4
Quaternary
13101120312230
5
Quinary
222212430024
6
Senary
20034505032
8
Octal
721306654
10
Decimal
121998764
12
Duodecimal
34a35178
16
Hexadecimal
7458dac
20
Vigesimal
1i29gi4
36
Base36
20muuk
md5
dee42b3328b4d35a2339b56563d1a43f
sha1
dd5cd3ec67edcc24c7b7ec47b0e7d4bc13d40198
sha256
99046932d546d206cde59212104cfab30b8a0a9b5f971536735e05e69a34b73f
sha512
e2837174eddb4d77e142a8fad3bbca690e3be13fd9b9bde5b48a3fa5ba4e5cc04c05a47b5da362b7d009c47e9f719d39af3c6ae506e5ffea6c7ddf26772b0d1d
ripemd-160
6c0742dc9a1a97d1c6f176d08d933484ca8776e1
Diameter
243997528
Circumference
766540841.45887
Area
4.6758517606751E+16
Volume
7.6059751393278E+24
Surface area
1.87034070427E+17
Circumference
766540841.45887
Perimeter
487995056
Area
14883698417527696
Diagonal
172532306.64155
Surface area
89302190505166176
Volume
1.8157928106871E+24
Space diagonal
211308057.7086
Perimeter
365996292
Area
6.4448304659226E+15
Altitude
105654028.8543
Surface area
6.4448304659226E+15
Volume
2.1399323494444E+23
Height
57510768.880518