121998946 is an even 9-digits composite number following 121998945
and preceding 121998947 . In scientific notation, it is written as 1.21998946 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 58347300 positive integers (up to 121998946) that are relatively prime to 121998946.
121998946 has 8 divisors, whose sum is 190954944
The reverse of 121998946 is 649899121
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred twenty-one million nine hundred ninety-eight thousand nine hundred forty-six
Scientific notation
1.21998946 × 10^8
Engineering notation
1.21998946 × 10^6
Prime Factorization
2 × 23 × 2652151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121998946
Product of the distinct prime numbers
The prime factorization of 121998946 is 2 × 23 × 2652151.
Since it has a total of 3 prime factors.
4 , 7 , 14 , 55 , 337 , 459 , 1847 , 2968 , 970 , 3703 , 842719 , 774575 , 2590053 , 7931298 , 57934539 , 21955609 , 266392271 , 9486596 , 7368360200 , 3643688196
n×2
243997892
n×3
365996838
n×4
487995784
n×5
609994730
n÷2
60999473
n÷3
40666315.333333
n÷3
30499736.5
n÷5
24399789.2
n2
14883742825110916
n3
1.8158009371986E+24
n4
2.2152580048404E+32
n5
2.7025914170859E+40
2 √n
11045.313304746
3 √n
495.96613810193
4 √n
105.0966855079
5 √n
41.425829724156
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
-121998945
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 121998946 can be divided by 8 positive divisors.
The sum of these divisors (counting 121998946) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010001011000111001100010
3
Ternary
22111120012002111
4
Quaternary
13101120321202
5
Quinary
222212431241
6
Senary
20034505534
8
Octal
721307142
10
Decimal
121998946
12
Duodecimal
34a352aa
16
Hexadecimal
7458e62
20
Vigesimal
1i29h76
36
Base36
20muzm
md5
417962c770b8e2584b7e2ec0dbbfa534
sha1
8b5e90d45026b9495c23a898c9b5cbcd36e5363c
sha256
da0fd485859a110e6d4cb41ebbc8f2bba643c3b5f7c63b814e6649b2dd0cf3d8
sha512
87c2ea40807358e3efed523494fdf67f8086dba901ee8deabc7622d7e7427ebbf9da8b63b57316f78641dde2f0f5cc0522f5675f0e3e27f53503bb3018ee4049
ripemd-160
57fb57ce34fe804225b9615428a337ca3976094b
Diameter
243997892
Circumference
766541984.9986
Area
4.6758657117288E+16
Volume
7.6060091795794E+24
Surface area
1.8703462846915E+17
Circumference
766541984.9986
Perimeter
487995784
Area
14883742825110916
Diagonal
172532564.02842
Surface area
89302456950665496
Volume
1.8158009371986E+24
Space diagonal
211308372.94185
Perimeter
365996838
Area
6.4448496949702E+15
Altitude
105654186.47093
Surface area
6.4448496949702E+15
Volume
2.13994192663E+23
Height
57510854.676141