121514987 is an odd 9-digits composite number following 121514986
and preceding 121514988 . In scientific notation, it is written as 1.21514987 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 110293960 positive integers (up to 121514987) that are relatively prime to 121514987.
121514987 has 8 divisors, whose sum is 132770880
The reverse of 121514987 is 789415121
Previous prime number is 659
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-one million five hundred fourteen thousand nine hundred eighty-seven
Scientific notation
1.21514987 × 10^8
Engineering notation
1.21514987 × 10^6
Prime Factorization
11 × 659 × 16763
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121514987
Product of the distinct prime numbers
The prime factorization of 121514987 is 11 × 659 × 16763.
Since it has a total of 3 prime factors.
9 , 10 , 3 , 32 , 25 , 954 , 9589 , 1371 , 37225 , 65278 , 127625 , 364729 , 9139469 , 7328169 , 47819934 , 58073405 , 79956183 , 789108439 , 9879774532 , 5382582102
n×2
243029974
n×3
364544961
n×4
486059948
n×5
607574935
n÷2
60757493.5
n÷3
40504995.666667
n÷3
30378746.75
n÷5
24302997.4
n2
14765892065610169
n3
1.794277182396E+24
n4
2.1803156849325E+32
n5
2.6494103211047E+40
2 √n
11023.383645687
3 √n
495.30945109927
4 √n
104.99230279257
5 √n
41.392910929676
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
-121514986
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 121514987 can be divided by 8 positive divisors.
The sum of these divisors (counting 121514987) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001111100010101111101011
3
Ternary
22110122121020002
4
Quaternary
13033202233223
5
Quinary
222101434422
6
Senary
20020253215
8
Octal
717425753
10
Decimal
121514987
12
Duodecimal
3484120b
16
Hexadecimal
73e2beb
20
Vigesimal
1hj9797
36
Base36
20chkb
md5
a00fa5b906bbdcbd8ef83dcaf6e1c0c1
sha1
a19478c7e839336487993691404b18b4d997f14d
sha256
2a7ed1a08387658a166fac16a68bc1f80f635a3d21cf5de5771e18b63e9174b5
sha512
7cd9ae69f4459593b7d41d75642d57c5fc1640af9ea351121baa6013f4726a3d3727675e485833905f1733baa51fc08fba8ae0e9d43b0351444960413c5d1ed9
ripemd-160
425e7c8a5c836756b233879f76982bbdb88ffa83
Diameter
243029974
Circumference
763501180.92052
Area
4.6388418037021E+16
Volume
7.5158506862922E+24
Surface area
1.8555367214808E+17
Circumference
763501180.92052
Perimeter
486059948
Area
14765892065610169
Diagonal
171848142.64699
Surface area
88595352393661014
Volume
1.794277182396E+24
Space diagonal
210470131.36507
Perimeter
364544961
Area
6.3938188191787E+15
Altitude
105235065.68254
Surface area
6.3938188191787E+15
Volume
2.1145759383342E+23
Height
57282714.215663