121098981 is an odd 9-digits composite number following 121098980
and preceding 121098982 . In scientific notation, it is written as 1.21098981 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 80732652 positive integers (up to 121098981) that are relatively prime to 121098981.
121098981 has 4 divisors, whose sum is 161465312
The reverse of 121098981 is 189890121
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-one million ninety-eight thousand nine hundred eighty-one
Scientific notation
1.21098981 × 10^8
Engineering notation
1.21098981 × 10^6
Prime Factorization
3 × 40366327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121098981
Product of the distinct prime numbers
The prime factorization of 121098981 is 3 × 40366327.
Since it has a total of 2 prime factors.
8 , 10 , 40 , 42 , 181 , 652 , 1340 , 9367 , 88495 , 85300 , 949333 , 176081 , 8418445 , 9735785 , 90326022 , 55518231 , 998815154 , 597195645 , 526910024 , 6923980345
n×2
242197962
n×3
363296943
n×4
484395924
n×5
605494905
n÷2
60549490.5
n÷3
40366327
n÷3
30274745.25
n÷5
24219796.2
n2
14664963199238361
n3
1.7759120998303E+24
n4
2.1506114563502E+32
n5
2.6043685589093E+40
2 √n
11004.498216639
3 √n
494.74357497191
4 √n
104.90232703157
5 √n
41.364530350609
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121098980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121098981 can be divided by 4 positive divisors.
The sum of these divisors (counting 121098981) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001101111101001011100101
3
Ternary
22102212110120110
4
Quaternary
13031331023211
5
Quinary
222000131411
6
Senary
20003323233
8
Octal
715751345
10
Decimal
121098981
12
Duodecimal
34680519
16
Hexadecimal
737d2e5
20
Vigesimal
1hgh791
36
Base36
203kkl
md5
8ade387a5f425bd8bac949f8e1f72a56
sha1
7521fb132a23697d498b19b1fcdefb04b882c361
sha256
4a214b50cefc00d39919b3b523bbb3ea2006ac1a05436080b4388b5ea6837a70
sha512
100ce7c924143be0f6bd8e55902ee5bac6847d26cbf5ab6a0637d4e3496ba78c70c43eab25e359e5267f4c45953cc0184f0ee0f9fcf38cff18a0e021cda6a857
ripemd-160
0dd9876dd1160ca11577ecb7cb59b2d96f3ab3c9
Diameter
242197962
Circumference
760887338.13362
Area
4.6071340651892E+16
Volume
7.4389232083306E+24
Surface area
1.8428536260757E+17
Circumference
760887338.13362
Perimeter
484395924
Area
14664963199238361
Diagonal
171259821.31976
Surface area
87989779195430166
Volume
1.7759120998303E+24
Space diagonal
209749587.83682
Perimeter
363296943
Area
6.3501153380522E+15
Altitude
104874793.91841
Surface area
6.3501153380522E+15
Volume
2.0929324809687E+23
Height
57086607.106587