121998644 is an even 9-digits composite number following 121998643
and preceding 121998645 . In scientific notation, it is written as 1.21998644 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 60957624 positive integers (up to 121998644) that are relatively prime to 121998644.
121998644 has 12 divisors, whose sum is 213643584
The reverse of 121998644 is 446899121
Previous prime number is 1583
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-one million nine hundred ninety-eight thousand six hundred forty-four
Scientific notation
1.21998644 × 10^8
Engineering notation
1.21998644 × 10^6
Prime Factorization
2 × 2 × 1583 × 19267
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
60999322
Product of the distinct prime numbers
The prime factorization of 121998644 is 2 × 2 × 1583 × 19267.
Since it has a total of 4 prime factors.
6 , 7 , 16 , 43 , 576 , 935 , 1847 , 132 , 84538 , 17974 , 970217 , 977058 , 5965955 , 3059519 , 50820119 , 56048482 , 447621789 , 522357449 , 9846578258 , 169844834
n×2
243997288
n×3
365995932
n×4
487994576
n×5
609993220
n÷2
60999322
n÷3
40666214.666667
n÷3
30499661
n÷5
24399728.8
n2
14883669137838736
n3
1.815787452561E+24
n4
2.2152360700465E+32
n5
2.7025579668557E+40
2 √n
11045.299633781
3 √n
495.96572885824
4 √n
105.09662046793
5 √n
41.425809214778
1 , 2 , 4 , 1583 , 3166 , 6332 , 19267 , 38534 , 77068 , 30499661 , 60999322 , 121998644
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
-121998643
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 121998644 can be divided by 12 positive divisors.
The sum of these divisors (counting 121998644) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111010001011000110100110100
3
Ternary
22111120011200022
4
Quaternary
13101120310310
5
Quinary
222212424034
6
Senary
20034504312
8
Octal
721306464
10
Decimal
121998644
12
Duodecimal
34a35098
16
Hexadecimal
7458d34
20
Vigesimal
1i29gc4
36
Base36
20mur8
md5
11d0ffd29864a67f1cafdd070a38fc18
sha1
37db1b53918ab2f4bd1178e2c69bbc911543c81b
sha256
da4400b130f6738e0a3b80523444cbd7915a92cecc0276b2257960219619ae62
sha512
2c5ae090616fbe81dfd66875f9802f22cc31380eafb0c3f72c897ee982f2526df8ae6d4f945e9a9633dde05dff0d623dd7f7a1b0d4558aa0652cf5b62eda11ff
ripemd-160
1dacb04add1563d680e496f855b136c080693e25
Diameter
243997288
Circumference
766540087.47663
Area
4.6758425621895E+16
Volume
7.6059526952614E+24
Surface area
1.8703370248758E+17
Circumference
766540087.47663
Perimeter
487994576
Area
14883669137838736
Diagonal
172532136.93593
Surface area
89302014827032416
Volume
1.815787452561E+24
Space diagonal
211307849.86251
Perimeter
365995932
Area
6.4448177874454E+15
Altitude
105653924.93125
Surface area
6.4448177874454E+15
Volume
2.1399260348322E+23
Height
57510712.311976