121661516 is an even 9-digits composite number following 121661515
and preceding 121661517 . In scientific notation, it is written as 1.21661516 × 10^8.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 60575760 positive integers (up to 121661516) that are relatively prime to 121661516.
121661516 has 12 divisors, whose sum is 213800160
The reverse of 121661516 is 615166121
Previous prime number is 239
Is Prime? no
Number parity even
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-one million six hundred sixty-one thousand five hundred sixteen
Scientific notation
1.21661516 × 10^8
Engineering notation
1.21661516 × 10^6
Prime Factorization
2 × 2 × 239 × 127261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
60830758
Product of the distinct prime numbers
The prime factorization of 121661516 is 2 × 2 × 239 × 127261.
Since it has a total of 4 prime factors.
6 , 7 , 21 , 10 , 863 , 953 , 8963 , 3344 , 68214 , 95395 , 823579 , 871403 , 3525261 , 3870350 , 14630011 , 75577346 , 51831618 , 875062386 , 3129613735 , 7638898512
n×2
243323032
n×3
364984548
n×4
486646064
n×5
608307580
n÷2
60830758
n÷3
40553838.666667
n÷3
30415379
n÷5
24332303.2
n2
14801524475418256
n3
1.8007759067905E+24
n4
2.1908512679641E+32
n5
2.6654228659103E+40
2 √n
11030.027923809
3 √n
495.50846097024
4 √n
105.02393976522
5 √n
41.402888856826
1 , 2 , 4 , 239 , 478 , 956 , 127261 , 254522 , 509044 , 30415379 , 60830758 , 121661516
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
-121661515
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 121661516 can be divided by 12 positive divisors.
The sum of these divisors (counting 121661516) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111010000000110100001001100
3
Ternary
22110221001020002
4
Quaternary
13100012201030
5
Quinary
222121132031
6
Senary
20023343432
8
Octal
720064114
10
Decimal
121661516
12
Duodecimal
348b1b78
16
Hexadecimal
740684c
20
Vigesimal
1i07dfg
36
Base36
20fmmk
md5
4399f629f60290fb381bbd20e042b765
sha1
3f2ea0879aa2cbd65fcfef4310cc2fa02ad023f4
sha256
288ecdb5d077930332a10e093a46cf126f45f1d30cea16abba63b1d5342b8e17
sha512
eae1836eb5209651402d1828a2babab6ae688425da1ffc7036176b740a318565144a122a0677f3b8c1fd33be9f847be5ed23617b8fb2eab0024938c8ccda4203
ripemd-160
41eeb2a5cf2fbd1b34f37c68e36235f178de9177
Diameter
243323032
Circumference
764421849.78039
Area
4.6500360553904E+16
Volume
7.5430724793793E+24
Surface area
1.8600144221561E+17
Circumference
764421849.78039
Perimeter
486646064
Area
14801524475418256
Diagonal
172055365.94607
Surface area
88809146852509536
Volume
1.8007759067905E+24
Space diagonal
210723927.03785
Perimeter
364984548
Area
6.4092481052247E+15
Altitude
105361963.51893
Surface area
6.4092481052247E+15
Volume
2.1222347584815E+23
Height
57351788.64869