121661518 is an even 9-digits composite number following 121661517
and preceding 121661519 . In scientific notation, it is written as 1.21661518 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 55300680 positive integers (up to 121661518) that are relatively prime to 121661518.
121661518 has 8 divisors, whose sum is 199082520
The reverse of 121661518 is 815166121
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-one million six hundred sixty-one thousand five hundred eighteen
Scientific notation
1.21661518 × 10^8
Engineering notation
1.21661518 × 10^6
Prime Factorization
2 × 11 × 5530069
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121661518
Product of the distinct prime numbers
The prime factorization of 121661518 is 2 × 11 × 5530069.
Since it has a total of 3 prime factors.
9 , 1 , 22 , 47 , 546 , 653 , 3130 , 8258 , 93276 , 63817 , 954307 , 690166 , 4774558 , 7112898 , 9478121 , 99350000 , 513799098 , 466651491 , 7085887134 , 35683561
n×2
243323036
n×3
364984554
n×4
486646072
n×5
608307590
n÷2
60830759
n÷3
40553839.333333
n÷3
30415379.5
n÷5
24332303.6
n2
14801524962064324
n3
1.8007759955996E+24
n4
2.1908514120261E+32
n5
2.6654230849954E+40
2 √n
11030.02801447
3 √n
495.50846368547
4 √n
105.02394019684
5 √n
41.40288899295
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
-121661517
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 121661518 can be divided by 8 positive divisors.
The sum of these divisors (counting 121661518) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010000000110100001001110
3
Ternary
22110221001020011
4
Quaternary
13100012201032
5
Quinary
222121132033
6
Senary
20023343434
8
Octal
720064116
10
Decimal
121661518
12
Duodecimal
348b1b7a
16
Hexadecimal
740684e
20
Vigesimal
1i07dfi
36
Base36
20fmmm
md5
c3ba091256b101b5f33e3caa5ae68b4f
sha1
36ff3ac7ca78f4e010bd248fd19a8efc2538e83d
sha256
8291f8de10ef0f4e6f5d505ac78e5670d0ca6b737e3d27ac8d0a366d86390f2b
sha512
a51b8070c74c1846fc7a4de6d655e8808290008548510e7f5d1a2b2f8095bb0c01e5b143624c393634e8971113a76681be699fe2e5bce082a601d6cad46a0a73
ripemd-160
d7a7cb6a9c8c918373df4f2fdb22b595090c020d
Diameter
243323036
Circumference
764421862.34676
Area
4.6500362082747E+16
Volume
7.5430728513822E+24
Surface area
1.8600144833099E+17
Circumference
764421862.34676
Perimeter
486646072
Area
14801524962064324
Diagonal
172055368.7745
Surface area
88809149772385944
Volume
1.8007759955996E+24
Space diagonal
210723930.50196
Perimeter
364984554
Area
6.4092483159486E+15
Altitude
105361965.25098
Surface area
6.4092483159486E+15
Volume
2.1222348631441E+23
Height
57351789.591499