121010987 is an odd 9-digits composite number following 121010986
and preceding 121010988 . In scientific notation, it is written as 1.21010987 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 118032768 positive integers (up to 121010987) that are relatively prime to 121010987.
121010987 has 8 divisors, whose sum is 123997104
The reverse of 121010987 is 789010121
Previous prime number is 953
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-one million ten thousand nine hundred eighty-seven
Scientific notation
1.21010987 × 10^8
Engineering notation
1.21010987 × 10^6
Prime Factorization
43 × 953 × 2953
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121010987
Product of the distinct prime numbers
The prime factorization of 121010987 is 43 × 953 × 2953.
Since it has a total of 3 prime factors.
2 , 5 , 12 , 12 , 942 , 382 , 6707 , 1849 , 78689 , 61961 , 387332 , 406590 , 9001634 , 6990348 , 6695124 , 2001412 , 601373825 , 569599670 , 3253488079 , 3898001110
n×2
242021974
n×3
363032961
n×4
484043948
n×5
605054935
n÷2
60505493.5
n÷3
40336995.666667
n÷3
30252746.75
n÷5
24202197.4
n2
14643658974714169
n3
1.7720436258216E+24
n4
2.1443674816773E+32
n5
2.5949202544847E+40
2 √n
11000.499397755
3 √n
494.62371430229
4 √n
104.88326557537
5 √n
41.358517271329
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
-121010986
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 121010987 can be divided by 8 positive divisors.
The sum of these divisors (counting 121010987) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001101100111101100101011
3
Ternary
22102200222212102
4
Quaternary
13031213230223
5
Quinary
221434322422
6
Senary
20001404015
8
Octal
715475453
10
Decimal
121010987
12
Duodecimal
3463960b
16
Hexadecimal
7367b2b
20
Vigesimal
1hg6797
36
Base36
201oob
md5
2c7e2756097ece5f10bc67661ec4dfd7
sha1
4a99c9b79f315c2d6193b1dc380732e078ba713b
sha256
64bd483704e821ac2ba74727dee5073888f2d89963df78ee3bfeb17ac7e6936c
sha512
aff504720a53f1f619893156e2a62da8c8dc8886a2b05257418408202e62df845d0a484b01f2dd1f3bb4a82c2592323ef699b3627f102d7c0fc8cd929cc1fda0
ripemd-160
716ffdf01a4c614a13799f68a808efd567e6bdd8
Diameter
242021974
Circumference
760334455.5257
Area
4.6004411456636E+16
Volume
7.4227189822955E+24
Surface area
1.8401764582655E+17
Circumference
760334455.5257
Perimeter
484043948
Area
14643658974714169
Diagonal
171135379.01155
Surface area
87861953848285014
Volume
1.7720436258216E+24
Space diagonal
209597177.75806
Perimeter
363032961
Area
6.3408903382292E+15
Altitude
104798588.87903
Surface area
6.3408903382292E+15
Volume
2.088373440628E+23
Height
57045126.337185